In a class of 30 students, 14 take tea and 20 take coffee. How many take both tea
and coffee?

Answers

Answer 1

Answer:

4

Step-by-step explanation:

[tex]20 + 14 = 34[/tex]

[tex]34 - 30 = 4[/tex]


Related Questions

A trail mix brand guarantees a peanut to raisin ratio of 5:2. If a bag of that trail mix contains 30 peanuts, how many raisins are in the bag?

Answers

Answer:

12

Explanation:

In the bag, the guaranteed ratio of peanut to raisin = 5:2

Number of peanuts = 30

Let the number of raisins =x

We therefore have that:

[tex]\begin{gathered} 5\colon2=30\colon x \\ \frac{5}{2}=\frac{30}{x} \\ 5x=30\times2 \\ x=\frac{30\times2}{5} \\ x=12 \end{gathered}[/tex]

The number of raisins in the bag is 12.

The sum of two numbers is ten. One number is
twenty less than four times the other. Find the
numbers.
Note: List numbers with a comma separating
them, e.g. 5, 12.

Answers

By solving the equations, we can conclude that the two numbers are 4 and 6.

What are equations?An equation is a mathematical statement that contains the symbol "equal to" between two expressions with identical values. As in 3x + 5 = 15, for example. There are many different types of equations, including linear, quadratic, cubic, and others. The three primary forms of linear equations are point-slope, standard, and slope-intercept.

So, the two numbers are:

Let the 2nd number be 'x'.Then, the 1st number will be '4x - 20'.

The equation will be:

4x - 20 + x = 10

Now, solve this equation for 'x' as follows:

4x - 20 + x = 105x = 10 + 205x = 30x = 6

Now, 4x - 20:

4(6) - 2024 - 204

Therefore, by solving the equations, we can conclude that the two numbers are 4 and 6.

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What’s the correct answer asap for brainlist

Answers

Answer:

Step-by-step explanation:its a  69420 dum as

a half cylinder with a diameter of 2 mm is 9n top of a rectangular prism. A second half cylinder with a diameter of 4 mm is on the side of the prism. All shapes are 5 mm long. What is the volume of the combined figures?

Answers

The volume will be given by:

The volume of the half cylinder on top, plus the volume of the rectangular prims, plus the volume of the half cylinder on the right:

so:

The volume of the half cylinder on top is:

[tex]\begin{gathered} V1=\frac{\pi r^2l}{2} \\ V1=\frac{\pi(1^2)5}{2}=\frac{5\pi}{2} \end{gathered}[/tex]

The volume of the half cylinder on the right is:

[tex]\begin{gathered} V2=\frac{\pi r^2l}{2} \\ V2=\frac{\pi(2^2)\cdot5}{2}=10\pi \end{gathered}[/tex]

The volume of the rectangular prism is:

[tex]\begin{gathered} V3=l\cdot w\cdot h \\ V3=4\cdot2\cdot5 \\ V3=40 \end{gathered}[/tex]

Therefore, the total volume is:

[tex]\begin{gathered} Vt=V1+V2+V3 \\ Vt=\frac{5}{2}\pi+10\pi+40=79.3mm^3 \end{gathered}[/tex]

Find the area to the right of x=71 under a normal distribution curve with the mean=53 and standard deviation=9

Answers

Answer:

[tex]Area=0.0228\text{ or 2.28\%}[/tex]

Explanation:

We were given the following information:

This is a normal distribution curve

Mean = 53

Standard deviation = 9

We are to find the area right of x = 71

This is calculated as shown below:

[tex]\begin{gathered} z=\frac{x-\mu}{\sigma} \\ x=71 \\ \mu=53 \\ \sigma=9 \\ \text{Substitute these into the formula, we have:} \\ z=\frac{71-53}{9} \\ z=\frac{18}{9} \\ z=2 \end{gathered}[/tex]

We will proceed to plot this on a graph as sown below:

The area to the right of x = 71 (highlighted in red above) is given by using a Standard z-score table:

[tex]\begin{gathered} =1-0.9772 \\ =0.0228 \\ =2.28\text{\%} \end{gathered}[/tex]

Therefore, the area that lies to the right of x = 71 is 0.0228 or 2.28%

The following table shows a company's annual income over a 6-year period. The equation y=60000(1.2)x describes the curve of best fit for the company's annual income (y). Let x represent the number of years since 2001.

Answers

Given that the annual income of a company over a 6-year period is described by the equation:

[tex]\begin{gathered} y=60000(1.2)^x \\ \text{where} \\ x\text{ is the number of years since 2001} \end{gathered}[/tex]

The annual income at the end of each year since 2001 is as shown in the table below:

Required: To evaluate the company's approximate annual income in 2009.

Solution:

Given the annual income described as

[tex]y=60000(1.2)^x[/tex]

The number of years between 2001 and 2009 is evaluated as

[tex]x\text{ = 2009 -2001 = 8 years}[/tex]

thus, it's been 8 years since 2001.

The annual income in 2009 is thus evaluated by substituting 8 for the value of x in the annual income function.

This gives

[tex]\begin{gathered} y=60000(1.2)^x \\ x\text{ = 8} \\ \text{thus,} \\ y\text{ = 60000}\times(1.2)^8 \\ =\text{ 60000}\times4.29981696 \\ y=\text{ }257989.0176 \\ \Rightarrow y\approx258000 \end{gathered}[/tex]

Hence, the company's approximate annual income in the year 2009 will be $ 258000.

The third option is the correct answer.

5.) y = -5/4 x + 10 (Use Slope Int. Method Make apparent your Int. Point AND the point from your slope = RISE/RUN)

Answers

[tex]\begin{gathered} \text{slope}=m=\frac{rise}{\text{run}}=\frac{y_2-y_1}{x_2-x_1} \\ \text{slope}=-\frac{5}{4} \\ m=-\frac{5}{4} \end{gathered}[/tex][tex]\begin{gathered} y=-\frac{5}{4}x+10 \\ m=slope=-\frac{5}{4} \\ y-\text{intercept}=10 \end{gathered}[/tex]

In a recent poll, 13% of all respondents said that they were afraid of heights. Suppose this percentage is true for allAmericans. Assume responses from different individuals are independent.

Answers

[tex]\begin{gathered} 13\text{ \% are afraid of their height} \\ So, \\ if\text{ we select 3 random american people } \\ \text{then,} \\ Probability=3\times\frac{13}{100} \\ \text{Probability}=\frac{39}{100}(\text{Ans)} \end{gathered}[/tex]

When 6 is subtracted from the 5 times of a number the sum becomes 9 find the number

Answers

Let that unknown number be x

⇒Mathematically this is written as

[tex]5(x)-6=9\\5x-6=9\\5x=9+6\\5x=15\\\frac{5x}{5} =\frac{15}{5} \\x=3[/tex]

This just means that the unknown number is 3

GOODLUCK!!

Answer:

nine plus six

= 15 ÷ five

answer Three

65+ (blank) =180

11x + (blank)=180

11x =

x =

Answers

Answer:

sorry if this is wrong

I just answered it according to the question you gave not the pic

Step-by-step explanation:

x = 65

11x + x = 180

12x = 180

x = 180 ÷ 12

= 15

Clark and Lindsay Banks have agreed to purchase a home for $225,000. They made a down payment of 15%. They have obtained a mortgage loan at a 6.5% annual interest rate for 25 years. What is the mortgage total if they finance the closing costs?

Answers

SOLUTION

We will be using the annual compound interest formula to solve this question.

[tex]\begin{gathered} A=P(1+\frac{R}{100})^{mn} \\ \text{where m=1, n=25years, R=6.5,} \end{gathered}[/tex]

After a down payment of 0.15 x $225,000 = $33750

The principal value will be $225,000 - $33750 = $191250

Put all these values into the compound interest formula above,

we will have:

[tex]\begin{gathered} A=191250(1+\frac{6.5}{100})^{1\times25} \\ A=191250(1+0.065)^{25} \end{gathered}[/tex][tex]\begin{gathered} A=191250(1.065)^{25} \\ \text{ = 191250}\times4.8277 \\ \text{ =923,297.63} \end{gathered}[/tex]

The mortgage total if they finance the closing costs will be:

$923,297.63

f(9) =
(Simplify your answer. Type an integer or a fraction.)

Answers

Answer:

9f

Step-by-step explanation:

f(9) = f * (9)

a) Multiply.

f * (9) = 9f

write a word problem in which you divide two fractions into mixed numbers or a mixed number and a fraction solve your word problem and show how you found the answer

Answers

Jade share 4 1/3 cups of chocolate by 1/3 among his friends

The mixed fraction = 4 1/3

Fraction = 1/3

[tex]\begin{gathered} \text{Firstly, we n}eed\text{ to convert the mixed fraction into an improper fraction} \\ 4\frac{1}{3}\text{ = }\frac{(3\text{ x 4) + 1}}{3} \\ 4\frac{1}{3}\text{ = }\frac{12\text{ + 1}}{3} \\ 4\frac{1}{3}\text{ = }\frac{13}{3} \\ \text{Divide }\frac{13}{3}\text{ by 1/3} \\ =\text{ }\frac{13}{3}\text{ / }\frac{1}{3} \\ \text{ According to mathematics, once the numerator and denominator of the LHS is interchanged then the order of operator changes from division to multiplication} \\ =\text{ }\frac{13}{3}\text{ x }\frac{3}{1} \\ =\text{ }\frac{13\text{ x 3}}{3} \\ \text{= }\frac{39}{3} \\ =\text{ 13} \end{gathered}[/tex]

Therefore, the answer is 13

I need help with this practice problem If you can, show your work step by step so I can take helpful notes

Answers

The given geometric series is

[tex]120-80+\frac{160}{3}-\frac{320}{9}+\cdots[/tex]

In a geometric series, there is a common ratio between consecutive terms defined as

[tex]r=\frac{-80_{}}{120_{}}=-\frac{2}{3}[/tex]

The sum of the first n terms of a geometric series is given by

[tex]S_n=\frac{a(1-r^n)}{1-r},r<1[/tex]

Where a is the first term.

From the given series

a = 120

Hence, the sum of the first 8 terms is

[tex]S_8=\frac{120(1-(-\frac{2}{3})^8)}{1-(-\frac{2}{3})}[/tex]

Simplify the brackets

[tex]S_8=\frac{120(1-\frac{2^8}{3^8}^{})}{1+\frac{2}{3}}[/tex]

Simplify further

[tex]\begin{gathered} S_8=\frac{120(1-\frac{256}{6561})}{\frac{3+2}{3}} \\ S_8=\frac{120(\frac{6561-256}{6561})}{\frac{5}{3}} \\ S_8=\frac{120(\frac{6305}{6561})}{\frac{5}{3}} \\ S_8=\frac{120\times6305}{6561}\div\frac{5}{3} \\ S_8=\frac{120\times6305}{6561}\times\frac{3}{5} \\ S_8=\frac{120\times6305}{6561}\times\frac{3}{5} \\ S_8=\frac{8\times6305}{729} \\ S_8=\frac{50440}{729} \end{gathered}[/tex]

Therefore, the sum of the first 8 terms is

[tex]\frac{50440}{729}[/tex]

Identify the type of polar graph for the equation: r = 3-5cos θ aLimacon with inner loop bCardioid cDimpled limacon dConvex limacon eRose Curve fCircle gLemniscate

Answers

Given the equation:

[tex]r=3-5\cos \theta[/tex]

Let's identify the type of polar graph for the equation.

To identify the type of polar graph, use the formula below to get the Cartesian form:

[tex](x^2_{}+y^2)=r(\cos \theta,\sin \theta)[/tex]

Thus, we have:

[tex](x^2+y^2)=3\sqrt[]{x^2+y^2}-5x[/tex]

We have the graph of the equation below:

We can see the graph forms a Limacon with an inner loop.

Therefore, the type of polar graph for the given equation is a limacon with inner loop.

ANSWER:

Line p is the perpendicular bisector of MN. Write the equation of line p in slope-intercept form.

Answers

Line p is perpendicular bisector of line MN. This means that it divides line MN equally. Thus, point B is the midpoint of line MN. Thus, we would find the midpoint of line MN by applying the midpoint formula which is expressed as

(x1 + x2)/2, (y1 + y2)/2

Looking at the given points of line MN,

x1 = - 5, y1 = 2

x2 = 7, y2 = - 1

Midpoint = (- 5 + 7)/2, (2 + - 1)/2

Midpoint = 2/2, 1/2

Midpoint = 1, 1/2

We would find the slope of line MN. The formula for finding slope is expressed as

m = (y2 - y1)/(x2 - x1)

Looking at the given points of line MN,

x1 = - 5, y1 = 2

x2 = 7, y2 = - 1

m = (- 1 - 2)/(7 - - 5) = - 3/(7 + 5) = - 3/12 = - 1/4

If two lines are perpendicular, it means that the slope of one line is the negative reciprocal of the slope of the other line. This means that the slope of line p is 4/1 = 4

Thus, line p is passing through point (1, 1/2) and has a slope of 4

The equation of a line in the slope intercept form is expressed as

y = mx + c

where

m represents slope

c represents y intercept

To determine the equation of line p, we would substitute m = 4, x = 1 and y = 1/2 into the slope intercept equation. It becomes

1/2 = 4 * 1 + c

1/2 = 4 + c

c = 1/2 - 4

c = - 7/2

Substituting m = 4 and c = - 7/2 into the slope intercept equation, the equation of line p would be

y = 4x - 7/2

Can you please help me out with a question

Answers

Notice that the arc GH has the same measure as the angle GFH, which also has the same measure as the angle EFI since they are vertical angles.

On the other hand, EFI and IFS are adjacent angles, then:

[tex]m\angle EFI+m\angle IFS=m\angle EFS[/tex]

Observe that the measure of the angle EFS is 90°. Since the measure of IFS is 20°, substitute those values into the equation to find the measure of EFI:

[tex]\begin{gathered} m\angle EFI+20=90 \\ \Rightarrow m\angle EFI=90-20 \\ \Rightarrow m\angle EFI=70 \end{gathered}[/tex]

Thereore, the measure of GH is 70°.

The table represents a linear function.What is the slope of the function?y08-2.04х-4-2-112-10-14-22-26O 2O 5

Answers

Answer

Option B is correct.

The slope of this function = -4

Explanation

For a linear function, the slope of the line can be obtained when the coordinates of two points on the line or the values of the linear function (y) at different values of x are known. If the two points are described as (x₁, y₁) and (x₂, y₂), the slope is given as

[tex]Slope=m=\frac{Change\text{ in y}}{Change\text{ in x}}=\frac{y_2-y_1}{x_2-x_1}[/tex]

Using the two extreme points, (x₁, y₁) and (x₂, y₂) are (-4, -2) and (2, -26).

x₁ = -4

y₁ = -2

x₂ = 2

y₂ = -26

[tex]\text{Slope = }\frac{-26-(-2)}{2-(-4)}=\frac{-26+2}{2+4}=\frac{-24}{6}=-4[/tex]

Hope this Helps!!!

An 18-foot ribbon is attached to the top of a pole and is located on the ground 10 feet awayfrom the base of the pole. Suppose Mateo has a second ribbon that will be located anadditional 23 feet away past that point.Find the measure of the angle formed by Mateo's ribbon and the ground. Round the angle tothe nearest tenth of a degree.a10 ft18 ft23 ft8

Answers

To begin we need to find the value of a

We apply the Pythagorean theorem

[tex]\begin{gathered} 18^2=a^2+10^2 \\ a^2=18^2-10^2 \\ a=\sqrt{18^2-10^2} \\ a=4\sqrt{14} \end{gathered}[/tex]

Now we find theta

Here we use the tangent that is the oppositive side over the adjacent side

[tex]\begin{gathered} \tan\theta=\frac{4\sqrt{14}}{33} \\ \\ \theta=\tan^{-1}(\frac{414}{33})=24.39\degree \end{gathered}[/tex]

A game uses a single 6-sided die. To play the game, the die is rolled one time, with the following results: Even number = lose $91 or 3 = win $25 = win $12What is the expected value of the game?

Answers

The expected value of the game is $1.83.

I need help with the entire problem. The question is about a sketchy hotel.

Answers

Let d and s be the cost of a double and single- occupancy room, respectively. Since a double-occupancy room cost $20 more than a single room, we can write

[tex]d=s+20\ldots(A)[/tex]

On the other hand, we know that 15 double-rooms and 26 single-rooms give $3088, then, we can write

[tex]15d+26s=3088\ldots(B)[/tex]

Solving by substitution method.

In order to solve the above system, we can substitute equation (A) into equation (B) and get

[tex]15(s+20)+26s=3088[/tex]

By distributing the number 15 into the parentheses, we have

[tex]15s+300+26s=3088[/tex]

By collecting similar terms, it yields,

[tex]41s+300=3088[/tex]

Now, by substracting 300 to both sides, we obtain

[tex]41s=2788[/tex]

then, s is given by

[tex]s=\frac{2788}{41}=68[/tex]

In order to find d, we can substitute the above result into equation (A) and get

[tex]\begin{gathered} d=68+20 \\ d=88 \end{gathered}[/tex]

Therefore, the answer is:

[tex]\begin{gathered} \text{ double occupancy room costs: \$88} \\ \text{ single occupancy room costs: \$68} \end{gathered}[/tex]

The angle of elevation to the top of a Building in New York is found to be 11 degrees from the ground at a distance of 1 mile from the base of the building. Using this information, find the height of the building. Round to the tenths. Hint: 1 mile = 5280 feet

Your answer is __________ feet.

Answers

The height of the building is given as  1026.43 feet

What is angle of elevation?

This is the term that is used to refer to the angle that is usually formed from the horizontal line to the angle of sight of a person.

We have to make use of the trig function that tells us that

tan(∅) = opposite length /adjacent length.

where ∅ = 11 degrees

adjacent length = 1

opposite length = x

When we put these values in the formula we would have

tan 11 = x / 1

0.1944 = x /1

we have to cross multiply to get x

x = 0.1944 x 1

= 0.1944

Then the height of the building would be 0.1944 x  5280 feet

= 1026.43 feet

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What will be the coordinates of the vertex s of this parallelogram? Which answer choice should I pick A B C or D?

Answers

Answer:

A

Step-by-step explanation:

the opposite sides of a parallelogram are parallel

then QT is parallel to RS

Q → T has the translation

(x, y ) → (x + 2, y- 7 ) , so

R → S has the same translation from R (0, 3 )

S = (0 + 2, 3 - 7 ) → S (2, - 4 )

Consider the following quadratic function Part 3 of 6: Find the x-intercepts. Express it in ordered pairs.Part 4 of 6: Find the y-intercept. Express it in ordered pair.Part 5 of 6: Determine 2 points of the parabola other than the vertex and x, y intercepts.Part 6 of 6: Graph the function

Answers

Answer:

The line of symmetry is x = -3

Explanation:

Given a quadratic function, we know that the graph is a parabola. The general form of a parabola is:

[tex]y=ax^2+bx+c[/tex]

The line of symmetry coincides with the x-axis of the vertex. To find the x-coordinate of the vertex, we can use the formula:

[tex]x_v=-\frac{b}{2a}[/tex]

In this problem, we have:

[tex]y=-x^2-6x-13[/tex]

Then:

a = -1

b = -6

We write now:

[tex]x_v=-\frac{-6}{2(-1)}=-\frac{-6}{-2}=-\frac{6}{2}=-3[/tex]

Part 3:

For this part, we need to find the x-intercepts. This is, when y = 0:

[tex]-x^2-6x-13=0[/tex]

To solve this, we can use the quadratic formula:

[tex]x_{1,2}=\frac{-(-6)\pm\sqrt{(-6)^2-4\cdot(-1)\cdot(-13)}}{2(-1)}[/tex]

And solve:

[tex]x_{1,2}=\frac{6\pm\sqrt{36-52}}{-2}[/tex][tex]x_{1,2}=\frac{-6\pm\sqrt{-16}}{2}[/tex]

Since there is no solution to the square root of a negative number, the function does not have any x-intercept. The correct option is ZERO x-intercepts.

Part 4:

To find the y intercept, we need to find the value of y when x = 0:

[tex]y=-0^2-6\cdot0-13=-13[/tex]

The y-intercept is at (0, -13)

Part 5:

Now we need to find two points in the parabola. Let-s evaluate the function when x = 1 and x = -1:

[tex]x=1\Rightarrow y=-1^2-6\cdot1-13=-1-6-13=-20[/tex][tex]x=-1\Rightarrow y=-(-1)^2-6\cdot(-1)-13=-1+6-13=-8[/tex]

The two points are:

(1, -20)

(-1, -8)

Part 6:

Now, we can use 3 points to find the graph of the parabola.

We can locate (1, -20) and (-1, -8)

The third could be the vertex. We need to find the y-coordinate of the vertex. We know that the x-coordinate of the vertex is x = -3

Then, y-coordinate of the vertex is:

[tex]y=-(-3)^2-6(-3)-13=-9+18-13=-4[/tex]

The third point we can use is (-3, -4)

Now we can locate them in the cartesian plane:

And that's enough to get the full graph:

the red line equation is y=0.5*2^xthe blue line equation is y=2x+25Compare and contrast this graph

Answers

In this question, we are given two lines.

1) y = 0.5*2^x

2) y = 2x + 25

The standard equation of a line is y = mx + b, where m is the slope and b is the y-intercept.

The positive slope moves the line upwards and the negative slope moves the line downwards.

If we compare both the equations, we see the 2nd equation maps with the standard line form. Hence, the second equation is a line with the slope equals to 2 and y-intercept equals 25. As the slope is positive, the line is moving upwards.

The standard equation of an exponential function is y = a*b^x, where b is the base, x is the exponent and a is the y-intercept.

The positive value of the base moves the function upwards and the negative value moves it downwards.

If we compare both the equations, we see the 1st equation maps with the standard exponential form. Hence, the 1st equation is an exponent form with the base to 2 and y-intercept equals 0.5. As the base is positive, the line is moving upwards.

Omar has $84 and maryam has $12. how much money must Omar give to maryam so that maryam will have three times as much as omar? let x be the amount of dollars Omar will give maryam. which equation best represents the situation described above? A.) 84 - x = 3(12) + xB.) 3(84 - x) = 12 - xC.) 3(84 - x ) = 12 + xD.) 3x = 84 - (12 + x)

Answers

Given data:

The given money Omar has $84.

The given money maryam has $12.

The expression for the money Omar give to maryam so that maryam will have three times as much as omar.

[tex]3(84-x)=12+x[/tex]

Thus, the final expression is 3(84-x)=12+x.

Find the set A n Φ.U = {1, 2, 3, 4, 5, 6, 7, 8, 9)A = 2, 3, 8, 9)Selectthe correct choice below and, if necessary, fill in the

Answers

Answer

Option B is the correct answer.

A n Φ = {}

A n Φ is the empty set.

Explanation

We are told to find the intersection between set A and the empty set Φ.

The intersection of two sets refers to the elements that belong to the two sets, that is, the elements that they both have in common.

Set A = (2, 3, 8, 9)

Set Φ = {}

What the elements of set A and set Φ (an empty set) have in common is nothing.

Hence, the intersection of set A and set Φ is an empty set.

A n Φ = {}

Hope this Helps!!!

Read the following scenario and write two equations we could use to solve to find for the number of cars and trucks washed. Use the variables C for cars washed and T for trucks washed. (Hint: both equations should have T and C). SCENARIO: Western's eSports Team raised money for charity by organizing a car wash. They washed a total of 80 vehicles and raised a total of $486. They charged $5 to wash a car and $7 to wash a truck.

Answers

Let:

C = Number of cars washed

T = Number of trucks washed

They washed a total of 80 vehicles, so:

[tex]C+T=80[/tex]

They raised a total of $486. They charged $5 to wash a car and $7 to wash a truck.​ so:

[tex]5C+7T=486[/tex]

Let:

[tex]\begin{gathered} C+T=80_{\text{ }}(1) \\ 5C+7T=486_{\text{ }}(2) \end{gathered}[/tex]

From (1) solve for T:

[tex]T=80-C_{\text{ }}(3)[/tex]

Replace (3) into (2):

[tex]\begin{gathered} 5C+7(80-C)=486 \\ 5C+560-7C=486 \\ -2C=486-560 \\ -2C=-74 \\ C=\frac{-74}{-2} \\ C=37 \end{gathered}[/tex]

Replace the value of C into (3):

[tex]\begin{gathered} T=80-37 \\ T=43 \end{gathered}[/tex]

They washed 37 cars and 43 trucks

The local appliance store is advertising a 17% off sale on a new flat-screen TV. If the saleprice is $664, what was the original price of the flat-screen TV? Use X in the equation

Answers

Let's assume X is the original price of the flat-screen TV

The store is advertising a 17% off sale in that price, so the real sale price should be less than the original price

To calculate a % discount, we proceed as follows:

Compute the discount:

discount = 17% of X

Recall a percentage can be expressed as the number divided by 100, that is:

discount = 17 / 100 * X = 0.17X

Now we have the discount, we calculate the actual or sale price, which is the original price minus the discount:

sale price = original price - discount

sale price = X - 0.17X

We apply simple algebra to simplify the expression, just subtracting 1-0.17=0.83

sale price = 0.83X

We know the sale price is $664, thus:

0.83X = 664

Finally, we solve for X

[tex]X=\frac{664}{0.83}=800[/tex]

This means that the original price of the TV was $800. Let's verify our result

the client is to receive cimetidine 300mg by mouth every 6 hours. The medication is available as cimetidine 300mg/5ml. How many teaspoons should the nurse instruct the client to take?

Answers

Step 1

Given; The client is to receive cimetidine 300mg by mouth every 6 hours. The medication is available as cimetidine 300mg/5ml.

Required; How many teaspoons should the nurse instruct the client to take?

Step 2

[tex]\begin{gathered} 1\text{ teaspoon =5ml } \\ Patient\text{ takes 300mg/5ml or 300mg/teaspoon} \\ \frac{Required\text{ dosage in mg}}{Dosage\text{ in 1 teaspoon}}\times5ml \\ Required\text{ dosage in mg=300mg} \\ Dosage\text{ in 1 teaspoon=300mg} \\ \frac{300mg}{300mg}\times5ml=5ml \\ From\text{ the table 5ml is the equivalent of 1 teaspoon .} \end{gathered}[/tex]

Thus, the client takes 300mg every six hours. This means that the nurse will instruct the client to take 1 teaspoon every 6 hours.

Answer;

[tex]1\text{ teaspoon every 6 hours}[/tex]

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