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AVprozaik [17]
3 years ago
14

Susan wants to compete in a 3.75-mile race.She wants to finish the race in 25.5 minutes. What pace does Susan need to keep per m

ile to finish the race in 25.5 minutes
Mathematics
1 answer:
ira [324]3 years ago
3 0
25,5 minutes=25,5/60 hours=0,425 hours

3,75/0,425 miles/hour =8,8235≈8,82 miles/hour
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2x&lt;15<br> solve for x<br> Simplify equation
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Answer:

x<7.5

Step-by-step explanation:

  • 2x/2<15/2
  • x<15/2

3 0
2 years ago
A newspaper writers compensation package includes the total cost of a $150 per month health insurance plan the total cost of a $
Aloiza [94]
150 x 12 = 1800
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2 years ago
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Construct 3 linear equation starting with qiven solution z = 1/3
Andreyy89

Answer:

(a)9z+2=5

(b)21z-11=-4

(c)4z=2-2z

Step-by-step explanation:

We are required to construct 3 linear equations starting with the given solution z = 1/3.

<u>Equation 1</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 9

9z=\frac{1}{3}\times 9\\9z=3

Rewrite 3 as 5-2

9z=5-2

Add 2 to both sides

Our first equation is: 9z+2=5

<u>Equation 2</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 21

21z=\frac{1}{3}\times 21\\21z=7

Rewrite 7 as 11-4

21z=11-4

Subtract 11 from both sides

Our second equation is: 21z-11=-4

<u>Equation 3</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 6

6z=\frac{1}{3}\times 6\\6z=2

Rewrite 6z as 4z+2z

4z+2z=2

Subtract 2z from both sides

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4 0
3 years ago
How do i solve by using substitution​
elena55 [62]

Answer:

a = 0, b = 3

Step-by-step explanation:

3a + b = 3

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2a - 5(-3a + 3) = - 15

2a + 15a - 15 = - 15

17a = 0

a = 0

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3 0
3 years ago
1)12-5x-4kx=y, solve for x
sveticcg [70]
12-x(5-4k)=y
12-y=x(5-4k)
12-y/(5-4k)=x
6 0
2 years ago
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