for the square root you must look for a number that multiplied with itself gives you the indicated value
for this case a number that multiplied by itself gives you 100
[tex]10\times10=100[/tex]sothe square root of 100 is:
[tex]10[/tex]Triangle ABC is translated T(x,y) --> (x + 2, y - 3). What are the coordinates of the image of triangle ABC after this translation?
The coordinates of the image of triangle ABC would be A (-1, -1), B (3, 2), and C (4, -6) after translation, and if the original coordinates are A(-3,2) B(1,5) C(2,-3).
What is a transformation?A point is transformed when it is moved from where it was originally to a new location. Translation, rotation, reflection, and dilation are examples of different transformations.
Let assume A(-3,2) B(1,5) and C (2,-3) are original coordinates
The following translation is being used: (x, y) ⇒ (x + 2, y - 3)
First, take your x-coordinates and add them by two because it is the translation utilized to solve for your x-coordinate.
You would receive the following for yours x's: A (-1, y ) B (3, y) C (4, y)
Next, remove three from each of your y-coordinates because it is the translation being utilized to solve for your y-coordinate.
You would receive the following for your y's: A (x, -1) B (x, 2) C (x, -6)
Finally, you would take each one and put it together, or piece it together.
Hence, the coordinates of the image of triangle ABC after translation would be A (-1, -1), B (3, 2), and C (4, -6).
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Use statement and reason.
Answer:
Step-by-step explanation:
Evaluate each expression using the values given in the table.
SOLUTION:
Step 1:
In this question, we are given the following:
Step 2:
From the question,
We have that:
[tex]\begin{gathered} a)\text{ f (1) =2 and g(1) =0} \\ We\text{ n}eed\text{ evaluate :} \\ (fog\text{ ) (1) = f(g(1)) = f (0) =-1} \\ \text{Then, (fog)(1) = - 1} \end{gathered}[/tex][tex]undefined[/tex]The values of each composite function are:
a) -1
b) -1
c) 2
d) 0
e) 2
f) -4
We have,
These are composite functions.
It is written as:
(f o g) (x) = f (g(x))
Now,
From the table, the values for each function f and g at specific values x are taken.
a.
(f o g)(1)
f(g(1)) = f(0) = -1
b.
(f o g) (-1)
f(g(-1)) = f(0) = -1
c.
(g o f) (-1)
g(f(-1)) = g(-2) = 2
d.
(g o f) (0)
g(f(0)) = g(-1) = 0
e.
(g o g) (-2)
g(g(-2)) = g(2) = 2
f.
(f o f) (-1)
f(f(-1)) = f(-2) = -4
Thus,
The values of each composite function are:
-1, -1, 2, 0, 2, and -4.
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What is the polar form of -9-91√3 ?
09 (cos()+ i sin())
O 9 (cos (4T) + i sin (4))
O 18 (cos ()+sin())
O 18 (cos (4) + i sin (4T))
3
The polar form of the rectangular form - 9 - i 9√3 is 18 · [cos (4π / 3) + i sin (4π / 3)]. (Correct choice: A)
What is the polar form of a complex number in rectangular number?
Herein we find a complex number in rectangular form, that is, a complex number of the form a + i b, whose polar form has to be found. Complex numbers in polar form are defined by the following expression:
z = r · (cos θ + i sin θ)
r = √(a² + b²)
θ = tan⁻¹ (b / a)
Where:
r - Norm of the complex number.θ - Direction of the complex number, in radians.a, b - Components of the complex number in rectangular form.If we know that a = - 9 and b = - 9√3, then the complex number in polar form is:
r = √[(- 9)² + (- 9√3)²]
r = 18
θ = tan⁻¹ √3
θ = 4π / 3
The polar form is 18 · [cos (4π / 3) + i sin (4π / 3)].
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does anybody know what 6x+24 means
For which equations is 8 a solution? Select the four correct answers. x + 6 = 2 x + 2 = 10 x minus 4 = 4 x minus 2 = 10 2 x = 4 3 x = 24 StartFraction x Over 2 EndFraction = 16 StartFraction x Over 8 EndFraction = 1
The equations with a solution of 8 are:
x+2=10, x -4 = 4, 3x = 24, and x/8 =1
This is further explained below.
What are equations?An equation is a formula that, in mathematics, expresses the equivalence of two expressions by linking them with the equals symbol =. In other words, an equation is a mathematical expression.
An equation is a mathematical statement that demonstrates that two mathematical expressions have the same value. This is the most basic version of the definition of an equation in algebra.
For example, the phrase "3x + 5" = 14 is an equation, in which the two expressions "3x + 5" and "14" are separated by the symbol for "equal."
Now we consider all equations given
1)
x+6 = 2
x = 2-6
x = -4
2)
Considering question 2 equation to see if it equals 8
x+2=10
x = 10-2
x = 8
3)
Considering question 3 equation to see if it equals 8
x -4 = 4
x = 4+4
x = 8
4)
Considering question 4 equation to see if it equals 8
x-2=10
x = 10+2
x = 12
5)
Considering question 5 equation to see if it equals 8
2x = 4
x = 2
6)
Considering question 6 equation to see if it equals 8
3x = 24
x = 8
7)
Considering question 7 equation to see if it equals 8
x/2 = 16
x = 32
8)
Considering question 8 equation to see if it equals 8
x/8 =1
x = 8
In conclusion, only equations:
x+2=10, x -4 = 4, 3x = 24, and x/8 =1 have the solution of 8
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The cost of a computer in a computer store is reduced by 12.5% in a sale. İf the computer was priced 7800$ what is the price in the sale?
Answer:
$6825.
Step-by-step explanation:
Price in the sale
= 7800 - 12.5% of 7800
= 7800 - 1/8 * 7800
= 7800 - 975
= $6825.
On average, people breath 10,000 times per night with a standard deviation of 1400. You study 50 people and record how many breaths they take per night. What is the probability that the average of all participants in the study was fewer than 10,200 breaths each night?I want answer with step by step.
ANSWER
[tex]\begin{equation*} 0.84375 \end{equation*}[/tex]EXPLANATION
We want to find the probability that the average of all participants in the study was fewer than 10,200 breaths each night.
To do this, first, we have to find the z-score corresponding to the sample mean:
[tex]z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}[/tex]where x = sample mean
μ = population mean
σ = standard deviation
n = sample size
Therefore, the z-score is:
[tex]\begin{gathered} z=\frac{10200-10000}{\frac{1400}{\sqrt{50}}}=\frac{10200-10000}{\frac{1400}{7.0711}} \\ z=\frac{200}{197.99} \\ z=1.01 \end{gathered}[/tex]Now, using the standard normal table, we can find P(z < 1.01).
Therefore, the probabilityis:
[tex]P(z<1.01)=0.84375[/tex]That is the answer.
In ▲ABC, side AC is extended through C to D. If m<dcb=50 which is the longest side of triangle abc?
Answer:
AB
Step-by-step explanation:
the angles DCB and ACB are supplementary angles (together 180°).
simply because the sum of all angles around a single point on one side of a line is suggests 180° (it represents a half-circle).
so, the inner angle ACB is
ACB = 180 - 50 = 130°
because the sum of all angles in a triangle is also always 180°, there are only 50° left for the other 2 angles.
so, the inner angle at C is clearly the largest angle in the triangle ABC.
the larger an angle, the longer the opposing side.
the largest angle has the longest opposing side in the triangle.
the opposing side of the inner angle C is AB. and that is therefore the longest side in the triangle ABC.
Find the value of x and y. PLEASE EXPLAIN ;)
Answer: man
why bro
Step-by-step explanation:
2. Use powers to rewrite these problems:
Example: 5 x 5 = 5^2
a. 4 * 4 * 4 * y * y * y
b. 7 * 7 * 7
c. 3 * 3 * 3 * x * x * x
Answer:
[tex] {4}^{3} {y}^{2} \\ {7}^{3} \\ {3}^{3} {x}^{3} [/tex]
You are planning to place a bet on your local sports team, the red sparrows. the sparrow's have a past record of 4-5 (4 wins, 5 losses) at this venue. however you also know that their record is 2-7 in games where it rains and it has rained at 60% of their games this season. 4 if the red sparrows win their game what is the probability that it rained at that game?
The probability that it rained at that game is 0.49.
Probability is the the ratio of a particular event with total number of event. It tells the possibility that an event can occur.
Probability that it rains P(R) = 0.60
probability that it won't rain P(R') = 1-0.60
= 0.4
Red sparrows have a past record of 4 wins and 5 loses when it does not rain, that is
P( winning/R') = 4/9 (win% = 4/total that is 5+4 which is 9)
P( lose/R') = 5/9 (lose % = 5/total)
When it rain the past record is 2 wins and 7 loses
P( win/R ) = 2/9
P( lose/R ) = 7/9
P (win) = P(R)*P(win/R) + P(R')*P(win/R')
= 4/9*0.4 + 2/9*0.6
If red sparrows win, then the probability that it rained at game
P (R/win) = P ( R η win) / P (win)
= 0.49
Therefore, we can conclude that the the probability that it rained at that game is 0.49.
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Find the exact values of the six trigonometric functions of each angle 8.
Given: The trigonometry shown in the image
To Determine: The exact values of the six trogonometric functions of each angle shown
Solution
It can be observed that
Therefore
[tex]\begin{gathered} sin\theta=-1 \\ cos\theta=-\sqrt{2} \end{gathered}[/tex][tex]tan\theta=\frac{sin\theta}{cos\theta}=\frac{-1}{-\sqrt{2}}=\frac{1}{\sqrt{2}}[/tex][tex]\begin{gathered} csc\theta=\frac{1}{sin\theta}=\frac{1}{-1}=-1 \\ sec\theta=\frac{1}{cos\theta}=\frac{1}{-\sqrt{2}}=-\frac{1}{\sqrt{2}} \\ cot\theta=\frac{1}{tan\theta}=\frac{1}{\frac{1}{\sqrt{2}}}=1\times\sqrt{2}=\sqrt{2} \end{gathered}[/tex]A rectangular gardan is surrounded by a walk of uniform width. The area of the garden is 200 square yards. If the dimensions of the garden plus the walkway are 18 yards by 26 yards, find the dimensions of the garden.
***NOTE*** This is a Quadratic Word Problem, so please use the Quadratic Method when solving and show all steps!!
Answer: [tex]6\sqrt{6}+4 \times 6\sqrt{6}-4[/tex] yards
Step-by-step explanation:
Let the length of the walkway be x yards. Then,
[tex](18-2x)(26-2x)=200\\\\4x^2 -88x+468=200\\\\4x^2-88x+268=0\\\\x^2 -22x+77=0\\\\x=\frac{22 \pm \sqrt{22^2 -4(77)}}{2}\\\\=11 \pm 3\sqrt{6}[/tex]
However, [tex]x=11+3\sqrt{6} > 18[/tex], which is illogical, so we take [tex]x=11-3\sqrt{6}[/tex].
So,
[tex]18-2x=18-2(11-3\sqrt{6})=6\sqrt{6}-4\\\\26-2x=26-2(11-3\sqrt{6})=4+6\sqrt{6}[/tex]
What percentage of people in the study started
saving for retirement at age 21 or before? How
does this compare with the how many of these
same people believe their children or
grandchildren should start saving at 21 or
before?
Answer:8% started saving at or before 21
30% believe their children or grandchildren should start saving at or before 21
Step-by-step explanation: on the graph, the ones in lighter color start saving for requirements
That is 3%+5%=8%
The second solution goes thus
13%+17%= 30%
the ones in dark colors believe their children or grandchildren should start saving before 21
Rule for Input/output table Input values: 1, 2, 3, 4, n Output values: -4,-2,0,2
Answer:
[tex]a_{n}[/tex] = 2n - 6
Step-by-step explanation:
there is a common difference between consecutive terms , that is
- 2 - (- 4) = 0 - (- 2) = 2 - 0 = 2
this indicates the sequence is arithmetic with nth term
[tex]a_{n}[/tex] = a₁ + (n - 1)d
where a₁ is the first term and d the common difference
here a₁ = - 4 and d = 2 , then
[tex]a_{n}[/tex] = - 4 + 2(n - 1) = - 4 + 2n - 2 = 2n - 6
the rule is then 2n - 6
Select all equations that are also equivalent to 0.6+15b+4=25.6
The equations that are equivalent to the expression are 15b = 25.6 - 4.6
and 15b =21
Solving linear equationsA two-variable linear equation can be thought of as a linear relationship between x and y, or two variables whose values rely on each other (often y and x) (usually x).
Y is referred to as the dependent variable in this scenario since it depends on the independent variable, x.
Given the linear equation below;
0.6+15b+4=25.6
Simplify to have;
0.6+15b+4=25.6
15b + 4.6 = 25.6
15b = 25.6 - 4.6
15b =21
Divide both sides by 15
b = 21/15
b = 1.4
This gives the solution to the given linear equation
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Dylan enjoys ramen noodles and music downloads. His monthly budget for these two items is 15 dollars. If the price of a package of ramen noodles is $1.48 and the price of a music download is $1.15, what is Dylan's opportunity cost of a music download? (Round your answer to the nearest tenth. For example: 1.4).
Data:
• Monthly budget: $15
,• Price of a package of ramen: $1.48
,• Price of a music download: $1.15
Procedure:
[tex]\frac{15}{1.48}\approx10.1[/tex]Answer: 10.1
100 brainly!!! Which of the following functions is graphed below?
Answer: the answer is B
The solution set of which of the following equations is the set of real numbers that are 3 units from -2?
A |x+2|=3
B|x-2|=3
C |x+3|=-2
D |x-3|=2
E |x+3|=2
The solution set of real numbers that are 3 units from -2 is :
|x +2| = 3
What is a solution set?Any value of a variable that makes the specified equation true is referred to as a solution. A solution set is the collection of all variables that satisfy the equation. To find the solution set of an equation with a given domain, first plug each domain value into the equation to obtain the respective range values. Make ordered pairs out of these values and write them down as a set. That set is our solution.Here
Function : |x +2| = 3
since ,
|x +2| = 3 => x + 2 = 3 ∨ x + 2 = -3
x = 3 - 2 ∨ x = -3 - 2
x = 1 ∨ x = -5
| - 2 - 1 | = | -3| = 3
| -2 -(-5) | = | -2 + 5 | = 3.
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28-6x=2x-84
Prove: x = 14
28-6x = 2x -84
Add 6x to both sides:
28 = 8x -84
Add 84 to both sides
112 = 8x
Divide both sides by 8
X = 112/8
X = 14
How do I solve y-1=3(x-4)
Step-by-step explanation:
open the bracket
y - 1 = 3x - 12
add 1 to both sides
y = 3x - 11
I think that should be it
Given the points:
(5,2) and (3,-4)
Select the THREE equations that represent the line that passes
through them.
The equations of the line according to the given points will be:
3x - y - 13 = 06x - 2y - 26 = 012x - 4y - 52 = 0We know that,
The equation of a line passing through two points is:
( y -y 1) / ( x - x1 ) = ( y2 - y1 ) / ( x2 - x1 )
(y - 2) / (x - 5) = (-4 - 2) / (3 - 5)
=> (y - 2) / (x - 5) = -6 / -2
=> y - 2 = 3 (x - 5)
=> 3x - 15 - y + 2 = 0
=> 3x - y - 13 = 0
Some more equations of the same line can be calculated just by multiplying the coefficients of x and y so that they remain proportional to the previous equation.
For Example,
6x - 2y - 26 = 012x - 4y - 52 = 0Here we can see that the coefficients of x and y and also the constant term are proportional to every equation compared with each other.
These lines are also called coincident lines.
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pls help due nowwwwwwwwwwwwwww
Answer:
A
Step-by-step explanation:
once tearra started buying games her money decreased by $35.50
Using Cramer's Rule, the solution to the system of equations
6x - 5y = -4
-7x + 3y = -1
can be written in the form
( Dx , Dy )
( D D )
What is the value of D?
Answer's
Step-by-step explant
If you cut me in half, my end face will remain the same. Two of my faces are the same, one is curved. What am I?
Answer: The moon
Step-by-step explanation:
The cone is the solid form that represents "If you cut me in half, my end face will remain the same. Two of my faces are the same, one is curved."
What is the volume of a cone?The volume of a cone is defined as the amount of space occupied by a cone in a three-dimensional plane.
∵ The volume of the cone (V )= 1/3πhr²
The number of faces of a regular cone is one, which we may partition vertically into two halves.
This means one base face and lateral face
Now, the number of faces in one half equals the number of faces in the original form.
This meets the conditions outlined in the question.
So, the cone is a solid form.
Thus, the cone is the solid form that represents "If you cut me in half, my end face will remain the same. Two of my faces are the same, one is curved."
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3. Use your answer from #2 for x, and find the measure of both angles. Select 2 answers.
A
B
116
61°
64°
119⁰
2x-15
3x + 5
None of the available possibilities is an equivalent expression.
Supplemental methods add up to 180 degrees, just like all other options.
An equivalent expression is what?If two expressions function the same way while having different looks, they are said to be comparable. Two identical algebraic expressions have the same value when the same value(s) for the variable are entered (s).
No one in the available possibilities satisfies the requirement of a comparable expression.
2x - 15 + 3x + 15 = 180
2x - 10 + 3x = 180
5x - 10 = 180
5x - 10 + 10 = 180 +10
add the numbers
5x = 190
5x /5 = 190 5
x = 38
As a result, none of the possibilities shown are identical expressions.
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Write 100 minutes in hours and minutes.
Answer:
1 hour and 40 minutes
Step-by-step explanation:
60 minutes in an hour
we have 100 minutes
100 - 60 = 40
in 100 minutes we already have 1 hour
now we have 40 minutes left
can 40 minutes make another 60?
No.
so 100 minutes make
1 hour and 40 minutesRob counted the boxes of cereal in a grocery store with different sizes and numbers of prizes. Mini size Regular size Jumbo size 5 3 3 One prize Two prizes 3 4 5 Are the events "the box of cereal contains one prize" and "the box of cereal is regular size" independent? yes no
The events are independent because there is no evidence of dependece between the events, the box can contain one or two prices or be any size.
Hari's weekly allowance varies depending on the number of chores he does. He received $18 in allowance the week he did 20 chores, and $12 in allowance the week he did 8 chores. Write an equation for his allowance in slope-intercept form.
The equation of his allowance in slope-intercept form is y = 0.5x + 8
He received $18 in allowance the week he did 20 chores.
He received $12 in allowance the week he did 8 chores.
The ordered pairs will be (8,12) and (20,18)
The slope intercept form is
y = mx + b
Where m is the slope
b is the y intercept
m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
Substitute the values in the equation
m = (18-12)/(20-8)
m = 6/12
= $0.5 per chores
Now we have to find b,
Substitute the value of any ordered pair in the slope intercept form
12 = 0.5×8+b
12 = 4+b
b = 12-4
b = 8
Hence, the equation of his allowance in slope-intercept form is y = 0.5x + 8
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