What value of t makes the following equation true?

5t−2=6t−7

Answers

Answer 1
After working out the problem, the answer is 5

Related Questions

Jim began a 156 mile bike trip to build up stamina . Unfortunately his bike chain broke so he finished walking. Th whole trip took 6 hours. If Jim walks at a rate of 5 miles per hour and rides at 33 miles per hour find the amount he spent on the bike.

Answers

This diagram represents the problem

We know that distance = speed*time; D=S*t

Total distance: 156 miles

time: 6 h

Speed1: 33 miles/h

Speed2: 5 miles/h

for interval 1:

[tex]\begin{gathered} D_1=S_1\cdot t_1 \\ D_1=33\cdot t_1 \end{gathered}[/tex]

for interval 2:

[tex]\begin{gathered} D_2=S_2\cdot t_2 \\ D_2_{}=5\cdot t_2 \end{gathered}[/tex]

for the whole trip: -Eq 1. Distance

[tex]\begin{gathered} D=D_1+D_2 \\ D=33\cdot t_1+5\cdot t_2 \\ 156=33\cdot t_1+5\cdot t_2 \end{gathered}[/tex]

and also: -Eq 2. Time

[tex]\begin{gathered} t=t_1+t_2 \\ 6=t_1+t_2 \end{gathered}[/tex]

Now we have a system of 2 equations with 2 unknowns.

Let's solve it!

[tex]\begin{gathered} 156=33t_1+5t_2 \\ t_1=\frac{156-53t_2}{33} \\ \frac{156-5t_2}{33}+t_2=6 \\ t_2=\frac{3}{2} \\ t_1=\frac{156-5\cdot\frac{3}{2}}{33} \\ t_1=\frac{9}{2} \end{gathered}[/tex]

We can see that he spent 4.5 hours riding the bike and 1.5 h walking

write an equation of the line that passes through the points in the table x=0,1,2,3 y=10,7,4,1

Answers

The line of equation (y + 3x = 10) passes through all the points in the given table.

What are equations?The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two expressions 3x + 5 and 14, which are separated by the 'equal' sign.

So, the equation will be:

Points:

x=0,1,2,3 y=10,7,4,1

We know that when x = 0, then y = 10 and when we will increase x = 1, then y will decrease to y = 7.

The decrease in y is the difference of 3 (10 - 7 = 3)

Then, y + 3x = 10 can be the equation.

Lets, 's check:

When x = 0:

y + 3x = 10y = 10 - 3(0)y = 10

When x = 1:

y + 3x = 10y = 10 - 3(1)y = 7


When x = 2:

y + 3x = 10y = 10 - 3(2)y = 4

When x = 3:

y + 3x = 10y = 10 - 3(3)y = 1

Since all the values of x and y are in proportion now, (y + 3x = 10) is the equation.

Therefore, the line of equation (y + 3x = 10) passes through all the points in the given table.

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raymond bought 5 rolls of toilet paper towels he got 99 4/3 inches of paper towels in all. how many meters of paper towels were on each roll? please help my grades go in tomorrow and i have a lot today that i dont know how and if i dont make a passing grade on my report card i have to quit band

Answers

The length of 5 rolls of toilet papers is 99 4/3

So, the length of one roll will be = 99 4/3 ÷ 5 = 20 1/15 inches

graph the line passing through (-6,1) whose slope is m= -6

Answers

As given by the question

There are given that the point (-6, 1) and slope (m) is -6.

Now,

To graph, the line, first, finds the equation of the line by using the given point and slope.

Then,

From the formula of point-slope form:

[tex]y-y_1=m(x-x_1)[/tex]

Where,

[tex]x_1=-6,y_1=1,\text{ and m=-6}[/tex]

Then, put all given values into the above formula:

So,

[tex]\begin{gathered} y-y_1=m(x-x_1) \\ y-1_{}=-6(x-(-6)_{}) \\ y-1=-6(x+6) \end{gathered}[/tex]

Then,

[tex]\begin{gathered} y-1=-6(x+6) \\ y-1=-6x-36 \\ y-1+1=-6x-36+1 \\ y=-6x-35 \end{gathered}[/tex]

Then, the graph of the above equation is shown below:

Consider the function f(x) =cotx. Which of the following are true? 2 answers

Answers

Graphing the function f(x) = cot(x) we have the following

We can observe that the function cot(x) has an asymptote at x = 0, and that it has a period of π.

If y = (x/x+1)5, then dy/dx

Answers

The value of dy/dx is 5x^4 / (x + 1)^6.

What is the derivative?

A function's sensitivity to change with respect to a change in its argument is measured by the derivative of a function of a real variable.

The given function is y = (x / (x + 1))^5

Taking derivative on both sides,

dy/dx = d/dx (x / (x + 1))^5)

Using chain rule,

dy/dx = 5(x /  x + 1)^4 x d/dx (x / x + 1)

Using the quotient rule of derivative,

d/dx (x / x + 1) = 1 / (x + 1)^2

So,

dy/dx = 5(x / x+1)^4 x (1 / (x + 1)^2)

dy/dx = 5x^4 / (x + 1)^6

Therefore, the derivative of the given function is, dy/dx = 5x^4 / (x + 1)^6.

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Mara bought a bag that contained 16 cups of sugar. She uses two-thirds cup of sugar each time she make a batch of cookies. If the bag now has 10 cups of sugar left, how many batches of cookies has she made?

Answers

From a bag of 16 cups of sugar , Mara used 2/3 cups of sugar to make 1 batch of cookies , then number of baches made by 6 cups of sugar is equal to 9 batches.

As given in the question,

Total number of cups of sugar in a bag = 16

Cups of sugar used to make 1 batch of cookies = 2/3

Number of cups of sugar left in a bag = 10

Number of cups of sugar used = 6

2/3 cups of sugar = 1 batch of cookies

1 cup of sugar = 3/2 batch of cookies

6 cups of sugar = [(3/2) × 6 ]

                        = 9 batches of cookies

Therefore, from a bag of 16 cups of sugar , Mara used 2/3 cups of sugar to make 1 batch of cookies , then number of baches made by 6 cups of sugar is equal to 9 batches.

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3. There are two city buses in Saratoga. Bus A completes its route in 25 minutes. Bus B completes its route in 40 minutes. Both of their routes end at the bus station. If both buses leave the bus station at the same time in the morning, how many minutes will pass before the two buses meet at the train station?

Answers

To find the answer, we have to find the LCM of 25 and 40.

To get LCM, we

Write each number as prime factors

take the prime factor that occurs greatest number of time

take the product of those

Thus,

25 = 5 * 5

40 = 2 * 2 * 2 * 5

2 occurs 3 times and 5 occurs 2 times (greatest).

hence,

LCM(25, 40) = 2 * 2 * 2 * 5 * 5 = 200

So,

200 mins will pass before the two buses meet

11. Natalie budgets $165 for yoga training. She buys a yoga mat for $13.25 and pays $12 per yoga class. Fill in the boxes below to write an inequality to represent the number of classes, c, that Natalie can take and stay within her budget.

Answers

She has a budget of $165, so the total cost of the yoga mat and the classes has to be equal or less than $165.

[tex]C\le165[/tex]

The cost is equal to the cost of the yoga mat ($13.25) and the cost of the classes ($12*c, being c the number of classes).

We can write this as:

[tex]C=13.25+12c[/tex]

We then can combine both equations and get:

[tex]13.25+12c\le165[/tex]

That inequality represents that the total expenses of Natalie have to be equal or less than $165.

Answer: 13.25 + 12c <= 165

Can some one help and explain pls

Answers

    There, on the hypotenuse, is the longest side. Therefore, 12 might be viewed as C if we consider the Pythagorean theorem, which states that A squared plus B squared equals C squared. The hypotenuse is this. The hypotenuse squared is equal to the C squared.

What is the formula a2 b2 c2 used for?

   The Pythagorean Theorem describes the relationship among the three sides of a right triangle. In any right triangle, the sum of the areas of the squares formed on the legs of the triangle equals the area of the square formed on the hypotenuse: a2 + b2 = c2.

Consolidate terms multiplied into a single fraction.

i) c + -2/3(2/3c).2

c - 2/3(2/3c).2

c - 2/3 . 2c/3.2

c -4/3 . 2c/3

c  + -4.2c / 3.3

c /9.

II)-5u.3(-2)u + -3/5

Add up the numbers.

30uu + -3/5

= 30u² + -3/5

= 3/5(50u² -1).

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Steven read a total of 8 books over 4 months. After belonging to the book club for 7 months,how many books will Steven have read in all?

Answers

If he reads 8 books over 4 months it means that he reads 2 books per month. So, if we multiply this ratio by the 7 months we would find that he reads 14 books over 7 months.

The answer is 14 books.

Find the total amount in the compound interest account $2650 is compounded annually at a rate of 11% for 1 year

Answers

The compound interest formula is:

[tex]A\text{ = P}(1+i)^t[/tex]

where:

A is the final amount including the principal

P is the principal amount

i is the interest rate (as a decimal)

t is time in years

Replacing with P = $2650, i = 0.11, and t = 1, we get:

A = 2650*(1 + 0.11)

A = 2650*1.11

A = $2941.5

system: 3x+2y=6 x-y=-3 find the value for x. find the value for y.

Answers

Given a system of equations:

[tex]\begin{gathered} 3x+2y=6 \\ x-y=-3 \end{gathered}[/tex]

We have to solve the system of equations.

We can solve this system of equations using the substitution method.

From the second equation, we have x - y = -3, which implies that x = y - 3. Substitute x = y - 3 in the first equation:

[tex]\begin{gathered} 3(y-3)+2y=6 \\ 3y-9+2y=6 \\ 5y=6+9 \\ 5y=15 \\ y=\frac{15}{5} \\ y=3 \end{gathered}[/tex]

Now, we have y = 3, put in x = y - 3 to get,

[tex]\begin{gathered} x=3-3 \\ x=0 \end{gathered}[/tex]

Thus, the solution of the system of equations is (0, 3).

The bar graph below shows the number of students at Lindsay's school who were born in various states.Oregon?ColoradoStateUtah -Arizona -New Mexico04812 16 20 24 28 32Number of StudentsThe number of students who were born in Oregon is the same as the number of students from Utah and NewMexico combined.Umantudante at Lindsay's school were born in Oregon?We

Answers

Since the number of students who were born in Oregon is the same as the number of students from Utah and New Mexico, add the amount of students from Utah and New Mexico to find the number of students who were born in Oregon.

18 students were born in Utah, and 12 students were born in New Mexico.

Since 18+12=30, then, 30 students were born in Utah and New Mexico combined.

Therefore, the amount of students who were born in Oregon, is:

[tex]30[/tex]

The Oakdale Chamber of Commerce compared the local dealerships' vehicle sales.
Dealership
Truck Town
Affordable Cars
Other
0
100
Vehicle sales
200
300
400
500
Number of vehicles
What percent of the vehicles were sold by Truck Town or Affordable Cars?
Write your answer using a percent sign (%).

Answers

(Sold / Quantity) * 100 is the formula to get the sales percentage.In other words, it will divide the value before multiplying by 100.You won't need to rewrite the formula for different products.

What is the sales percentage?

Example of a percentage of sales from an image Based on historical and current sales data, the percentage of sales technique is a forecasting tool that generates financial projections.This information includes sales as well as all costs associated with running a firm, such as inventory and cost of goods.The typical business allocates between 1% and 40% of its gross revenue to marketing and advertising.The amount can, however, differ greatly based on a variety of variables, such as your product or service, the market and competition, your profit margin, and the number of years you've been in operation. By dividing the value by the entire value and multiplying the result by 100, one may determine the percentage.

        The percentage calculation formula is (value/total value)100%.

 Determine the ratio of sales to expenses.Examine the balance of each line item on the financial statement of your business and determine its proportion to total sales.To accomplish this, take the following actions:Calculate your period's expenses and total sales.Subtract your costs from your total sales.Add 100 to your result.

  Vehicle sales = 200+300+400+500

                  =  1400/100

                 =14%

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What is the value of Negative 3mn + 4m minus 3 when m = 2 and n = negative 4?

Answers

SOLUTION

STEP 1: Write the given expression

[tex]-3mn+4m-3[/tex]

STEP 2: Write the given values

[tex]\begin{gathered} m=2 \\ n=-4 \end{gathered}[/tex]

STEP 3: Evaluate the given expression

[tex]\begin{gathered} -3(2)(-4)+4(2)-3=24+8-3 \\ 32-3=29 \end{gathered}[/tex]

Hence, the answer is 29

t, Decimal, Fractions a. 100 is what percent of 80? = 125% b. What is 1/20 as a decimal? What is that decimal as a percent? –5%

Answers

Explanation

Step 1

a) 100 is what percent of 80?

you can solve this by using a rule of three

Let

x represents the percent

then

[tex]undefined[/tex]

During a tropical storm, the temperature decreased from 84° to 63º. Find the percent decrease in temperature during the storm. (a) 33% (b) 25% (c) 40% (d) 75%

Answers

To find the percentage of decrease, first, we divide.

[tex]\frac{63}{84}=0.75[/tex]

This means 63° represents 75% of 84°. In other words, the temperature decreased by 25%.

Hence, the answer is B.

Daphne rolls two 6-sided number cubes. What is the probability that she rollsa sum equal to 3? Use the diagram of the sample space to help you. please help me

Answers

From the sample space, there are 2 results equal to 3, and there are 36 total results. Then the probability that she rolls a sum equal to 3 is: 2/36 or 1/18

3x - 2y < 10 ) 5x - 3-15 부 다. N

Answers

Part 1

we have the inequality

3x-2y < 10

isolate the variable y

-2y< -3x+10

Multipli by -1 both sides

2y > 3x-10

the solution is the shaded area above the dashed line 2y=3x-10

using a graphing tool

see the attached figure

please wait a minute to draw the solution

[tex]5x-3y\leq-15[/tex]

isolate the variable y

[tex]\begin{gathered} 5x-3y\leq-15 \\ -3y\leq-5x-15 \\ \text{Multiply by -1 both sides} \\ 3y\ge5x+15 \end{gathered}[/tex]

the solution is the shaded area above the solid line 3y=5x+15

using a graphing tool

see the attached figure

Part 7 we have the inequality

Shown below are the scatter plots for four different data sets.Answer the questions that follow. The same response may be the correct answer for more than one question.

Answers

Solution:

Given the scatter plots below:

A scatter plot will have a negative correlation if the points form line that slants from from left to right. In other words, the variable y decreases, as x increases.

When the line formed slants from right to left, the scatter plot will have a positive correlation. In other words, the variable y increases as variable x increases.

When the points are scattered randomly, there's no correlation or relationship between the variables in the scatter plot.

Thus,

1. Dataset that indicates the strongest positive linear relationship between its two variables.

Answer: The dataset in figure 4

2. Dataset that whose correlation coefficient is closest to zero.

Answer: The dataset in figure 1.

3. Dataset that whose correlation coefficient is closest to -1.

Answer: The dataset in figure 2.

b. Find a pair of numbers that have a sum of 50 and will produce the largest possible product. Example: +_ = 50 (sum) so _* _ = _ (maximum area) and (enter answers from the sum)

Answers

A pair of numbers that have a sum of 50

Let the number is x, so the other number is 50 - x

Let f(x) be the largest product so:

[tex]f(x)=\text{ x(50-x)}[/tex]

Simplify the expression :

[tex]\begin{gathered} f(x)=\text{ x(50-x)} \\ f(x)=50x-x^2 \end{gathered}[/tex]

Diffrentiate with respect to x

[tex]\begin{gathered} f(x)=\text{ x(50-x)} \\ f(x)=50x-x^2 \\ \text{ Diffrentiate with respect to x} \\ f^{\prime}(x)=50-2x \\ \text{Apply derivative equal to zero:} \\ 50-2x=0 \\ 50=2x \\ x=25 \end{gathered}[/tex]

Now for to check for the f(x) is maximum for x = 25

Calculate the second derivative and put x = 25 is the f(x) is negative then the multiplication f(x) is maximum

[tex]\begin{gathered} f^{\prime}(x)=50-2x \\ \text{ Differentiate with respect to x} \\ f^{\prime}^{\prime}(x)=0-2 \\ \text{ Substitute x = 25} \\ f^{\doubleprime}(25)=-2 \\ f^{\doubleprime}(25)<0 \\ \text{Thus the function f(x) is maximum for x = 25} \end{gathered}[/tex]

Thus, the first number is 25

Second number is : 50 -x = 50-25 = 25

Numbers are 25, 25

Answer : 25 + 25 =50 (sum)

25 * 25 = 625 (maximum possible product)

Circumference? (you must include units) Round to the tenthsas needed.

Answers

The circumference formula is given by:

[tex]L=2\pi r[/tex]

Where r is the radius of the circle. From the problem, we have r = 10.9 ft. Then, using the formula:

[tex]\begin{gathered} L=2\pi\cdot10.9 \\ \\ \therefore L=68.5\text{ ft} \end{gathered}[/tex]

The circumference is 68.5 ft

I ONLY need help with the last question help me with special Angles in a circle..GEOMETRY

Answers

We want to know the measure of the angle BCD. In this case, we see that it is an inscribed angle, and then its measure is half of the arc it intercepts (in this case BD).

With this in mind,

[tex]m\measuredangle BCD=\frac{1}{2}m\hat{BD}=\frac{1}{2}(130^{\circ})=65^{\circ}[/tex]

And then, the angle BCD has 65°.

Sam rides at a rate of 14.5 miles per 1 hour. If he rides at a constant rate, how many miles would he ride in 1 hour and 15 minutes?

Answers

Sam would ride 18.125 miles when hw would ride at the rate of 14.5 miles/hour.

According to the question,

We have the following information:

Speed of Sam = 14.5 miles/hour

Distance to be covered = ?

Time taken to cover the distance = 1 hour and 15 minutes

Now, we will convert the time given in minutes into hour.

We have 15 minutes.

We know that 1 hour is equal to 60 minutes.

So, we will convert 15 minutes into hour:

15/60 hour

0.25 hour

So, the total time taken = (1 + 0.25) hour

Time taken = 1.25 hour

We know that the following formula is used to find the speed:

speed = distance/time

Distance = speed*time

Distance = 14.5*1.25

Distance = 18.125 miles

Hence, the distance covered by Sam in 1 hour and 15 minutes is 18.125 miles.

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What are the x- and y-intercepts of a line with slope 2 passing through the point (1, 8)?

Answers

The x- and y-intercepts of a line with slope 2 passing through the point (1, 8) is x-intercept=(3,0) and y-intercept=(0,6) as defined "The slope intercept formula y = mx + b is used when you know the slope of the line to be examined and the point given is also the y intercept (0, b)."

What is slope intercept?

The slope intercept form in math is one of the forms used to calculate the equation of a straight line, given the slope of the line and intercept it forms with the y-axis. The slope intercept form is given as, y = mx + b, where 'm' is the slope of the straight line and 'b' is the y-intercept.

Here,

Let (x1, y1) = (1, 8) and m = 2.

Then, y - y1 = m(x - x1)

y - (8) = 2(x -1)

y-8= 2(x-1)

y -8 = 2x -2

y = 2x + 6

y=(0,6)

x=(3,0)

According to the definition "The slope intercept formula y = mx + b is used when you know the slope of the line to be examined and the point given is also the y intercept (0, b)," the x- and y-intercepts of a line with slope 2 passing through the point (1, 8) are x-intercept=(3,0) and y-intercept=(0,6).

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Jane invested her savings in two investment funds. The $2000 that she invested in Fund A returned a 3% profit. The amount that she invested in Fund B returned a 10% profit. How much did she invest in fund B, if both funds together returned a 8% profit?

Answers

Fund A, Jane invested $2000 and has a profit of 3%

Profit at Fund A is :

[tex]\$2000\times0.03=\$60[/tex]

at Fund B, let $x be the amount she invested that gives her a profit of 10%

The profit at Fund B is :

[tex]\$x\times0.10=\$0.10x[/tex]

It is said that the total amount she invested returned a 8% profit

The total amount she invested is :

[tex]\$2000+\$x[/tex]

and the 8% profit of her total investment is :

[tex](2000+x)\times0.08=160+0.08x[/tex]

Now we need to equate the sum of her profits from Fund A and Fund B, and this must be equal to the 8% profit.

3% Profit at Fund A = $60

10% Profit at Fund B = $0.10x

8% Profit at both funds together = 160 + 0.08x

[tex]\begin{gathered} 60+0.10x=160+0.08x \\ 0.10x-0.08x=160-60 \\ 0.02x=100 \\ x=\frac{100}{0.02}=5000 \end{gathered}[/tex]

Therefore, the amount she invested in Fund B is $5000

3x + 9 ≤ 30answer the solution

Answers

[tex]3x+9\leq30[/tex][tex]3x\leq30-9[/tex][tex]x\leq\frac{30-9}{3}[/tex][tex]x\leq\frac{21}{3}[/tex][tex]x\leq7[/tex]

−3x−6+(−1) i need help with this ine

Answers

Recall that the order of operations is a rule that tells the correct sequence of steps for evaluating a math expression, this order is: Parentheses, Exponents, Multiplications and Divisions (from left to right), Addition and Subtraction (from left to right).

Simplifying the parentheses in the given expression we get:

[tex]-3\times-6-1.[/tex]

Simplifying multiplications in the above result we get:

[tex]18-1.[/tex]

Finally, simplifying subtractions in the above result we get:

[tex]17.[/tex]

Answer:

[tex]-3\times-6+(-1)=17.[/tex]

To solve for the interest rate of your credit card, you need to understand which variables in the above formula you have. If your minimum monthly payment is $22 on the $1,000 credit card bill, which variables do you know the values of?

Type your response here:

Answers

The variables which are known from the information given in the task content are; The Monthly interest amount and the Principal.

What variables are known from the information given in the task content?

It follows from the task content that the variables which are known are to be determined.

Since it is given in the task content that the minimum monthly payment is; $22, it follows that the interest amount is; $22.

Also, since the credit card bill is; $1,000, it follows that the principal on the credit card is; $1,000.

Hence, the variables which are known are;

The monthly interest amount andThe Principal amount.

The variables above are therefore used to determine the interest rate of the credit card.

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