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2 years ago

7

Which phrase describes an unknown or changeable quantity? A. 60 seconds multiplied by 5 B. 2 times the number of pages in the bo

ok C. 15 years of schooling D. 3 dollars and 76 cents

2 answers:

Anna [14]2 years ago

8 0

A.) cause you can’t take away or add seconds

Zepler [3.9K]2 years ago

8 0

The correct answer for APEX is B (2 times the number of pages in the book)

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The University of Central Florida's cheerleading team has eighteen males and twenty-one females. If h represents the height of a

Anuta_ua [19.1K]

Answer:

The range of heights of the cheerleaders is the interval [58, 74)

All real numbers greater than or equal to 58 inches and less than 74 inches

Step-by-step explanation:

we have

$260 \leq 4h+28$

Divide the compound inequality into two inequalities

$260 \leq 4h+28$ -----> inequality A

$4h+28$ -----> inequality B

Solve inequality A

$260 \leq 4h+28$

Subtract 28 both sides

$232 \leq 4h$

Divide by 4 both sides

$58 \leq h$

Rewrite

$h \geq 58\ in$

Solve the inequality B

$4h+28$

Subtract 28 both sides

$4h$

Divide by 4 both sides

$h$

therefore

The range of heights of the cheerleaders is the interval [58, 74)

All real numbers greater than or equal to 58 inches and less than 74 inches

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3 years ago

Chloe is installing new windows in her house and needs to determine the amount of sealant she will need around the outside edge

Alexus [3.1K]

36 inches is the correct answer

I Hope This Helps

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3 years ago

Read 2 more answers

Whats the most accurate estimation of 65+77

Bogdan [553]

You could round 77 to 80 and 65 to 70 and then add 70 and 80 and you will get 150

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2 years ago

Read 2 more answers

Please help me Im confused on this problem

Sunny_sXe [5.5K]

Answer:

b = 6 sqrt(2)

Step-by-step explanation:

Since this is right triangle, we can use the Pythagorean theorem

a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse

3^2 + b^2 = 9^2

9+b^2 = 81

b^2 = 81-9

b^2 = 72

Take the square root of each side

sqrt(b^2) = sqrt(72)

b = sqrt(36*2)

b = 6 sqrt(2)

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3 years ago

Akshat spent 3 hours each day driving to and form work. He opened an office closer to home and now drives 80 minutes to and form

anygoal [31]

3*60 = 180 minutes

80/180 = 0.44

1-0.44 = 0.56

it was a 56% decrease in commute time

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3 years ago