Evaluate [3(5 + 6) + 2] ÷ 7

Answers

Answer 1

Answer: The answer to the problem is 5

Answer 2

Answer: The answer to the problem is 5

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Frank swims laps during swim practice. His coach tells him to swim a certain number of meters (total) each week. Here's a formula for this scenario:n=t/p

t= total number of meters
p= length of a lap (in meters)
n= number of laps frank swims

Rewrite the formula to determine the length of a lap

Answers

n = t/p

t = total number of meters
p = length of a lap (in meters)
n = number of laps frank swims

Determine the length of a lap, p.

n = t/p

1) remove p as a denominator by multiplying both side w/ p.
p*n = p(t/p)
pn = t

2) remove n by dividing both sides with n.
pn / n = t/n

*numerator n and denominator n cancels each other out.

p = t/n

Answer:

$p=(t)/(n)$

Step-by-step explanation:

The circle graph shows Tommy Blox spent the money he earned last summer. If he spent $80 on entertainment, how much did Tommy earn altogether?

Answers

Answer:

Tommy earned $250 altogether.

Step-by-step explanation:

Let the total earning of Tommy be 'x' dollars.

Given:

Money spent on entertainment = $80

From the circle shown below:

Percent spent on clothes = 19%

Percent spent on food = 25%

Percent spent on other things = 14%

Percent of savings = 10%

Addition of all percents = 100%

⇒ 19% + 25% + 10% + 14% + % Entertainment = 100%

⇒ 68% + % Entertainment = 100%

⇒ % Entertainment = 100% - 68% = 32%

Therefore, as per question:

$32\%\ of\ x=\$80\n\n0.32x=80\n\nx=(80)/(0.32)\n\nx=\$250\n$

Hence, Tommy earned $250 altogether.

Which of the following are the factors of t4 – 81?A. (t – 3)(t + 3)2
B. (t – 3)(t + 3)(t2 + 9)
C. (t2 – 9)(t2 – 9)
D. (t – 3)2(t + 3)2

Answers

$t^4 - 81 =\n\n(t^2)^2 - (9)^2=\n\n(t^2 - 9)(t^2 + 9) =\n\n\boxed{\bf{ (t-3)(t+3)(t^2 + 9)}}$

Your answer is B.

$t^4 - 81 \n \n (t^2)^2 - 9^2 \n \n (t^2 + 9)(t^2 - 9) \n \n (t^2 + 9)(t^2 - 3^2) \n \n (t^2 + 9)(t + 3)(t - 3) \n \n$

The final result is: B

Help pls
slope from graph

Answers

the slope in this graph is 1 :)

The slope in the graph is 1

A regular quadrilateral has what type of symmetry?

Answers

Answer:

Line, point, and rotational symmetry.

Step-by-step explanation:

If a quadrilateral is regular then it must have equal angles and equal sides, which means that this shape is a square. It must have line, rotational, and point symmetry.

In a recent poll, 32% of the referees who were surveyed said that ejecting angry coaches was their favorite thing to do. If 152 referees gave this response, how many were surveyed in total?

Answers

Answer: 475 referees were surveyed in total.

Step-by-step explanation:

Let x represent the number of referees that were surveyed.

In a recent poll, 32% of the referees who were surveyed said that ejecting angry coaches was their favorite thing to do. This means that the number of referees that gave this response is

32/100 × x = 0.32 × x = 0.32x

If 152 referees gave this response, then the total number of referees that were surveyed would be

0.32x = 152

x = 152/0.32 = 475

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The value of Maggie's car decreased by 20% since last year, when she bought it. If the car is now worth $15,000.00, how much was the car worth when she bought it? A. $20,000.00 B. $17,647.06 C. $18,000.00 D. $18,750.00

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