MATHEMATICS HIGH SCHOOL

Nicole runs 6 miles in 45 minutes. At the same rate, how many minutes would she take to run 4 miles?

Answers

Answer 1
Answer:

Answer:

30 minutes

Step-by-step explanation:

6=45

4=x

6x2/3=4

45x2/3=30

x=30
Answer 2
Answer:

Answer:

66 minutes

Step-by-step explanation:

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-2x+5y=-15 5x+2y=-6 how many solutions does this system have

Answers

Answer:

Step-by-step explanation:

-2x + 5y = -15

5x + 2y = -6

-10x + 25y = -75

10x  + 10y  = -30

35y = -105

y = -3

5x + 2(-3) = -6

5x - 6 = -6

5x = 0

x = 0

(0, -3)

one solution

Answer:

one solution

Step-by-step explanation:

took the test

(3) - 4/5 (5) + 2/9 - 2/3 (3) - 1/5 (5)

Answers

-3.77777777778 is going to be your answer
I did this problem and got 25 u 1/3

A square piece of paper has a side measure of 6 inches. What is the perimeter of thepaper?
CLEAR
CHECK
12 inches
18 inches
24 inches
36 inches
What is the answer

Answers

Answer: 24 inches

Step-by-step explanation:square has 4 sides, so you can do 6+6+6+6 or 6x4 and you get 24

Answer:

24

Step-by-step explanation:

each side of the square is equal, 6 + 6 + 6 + 6 = 24

Twice a number decreased by eight is less than five times the number increased by ten.

Answers

twice a number (2 times x) dcreased by 8 (minus 8) is less than (<) 5 times the number (5 times x) increses by 10 ( plus 10)

2x-8<5x+10
subtract 2x from both sides
-8<3x+10
subtract 10 from both sides
-18<3x
divide both sides by 3
-6<x



the number is any number bigger than -6
x*8-5*x+10 that's the equation...

Please help! forgot how to subtract integers!

Answers

Answer: -15

Step-by-Step Explanation:
1) Reorder the terms
36-51
2) Use the rule: a-b=-(b-a)
-(51-36)
3) Use the algorithm method
51
-36
——
15
4) After simplification, we have:
-(51-36)=-15
5)Therefore, -51+36=-15
-15

Liana started to evaluate the function f(x) = 2x2 – 3x + 7 for the input value 2.f(x) = 2(2)2 – 3(2) + 7

= 2(4) – 3(2) + 7

What is the value of the function when x = 2?

Answers

f(x) = 2x² - 3x + 7

x = 2

f(2) = 2(2²) - 3(2) + 7
f(2) = 2(4) - 6 + 7
f(2) = 8 - 6 + 7
f(2) = 15 - 6
f(2) = 9

The value of the function when x = 2 is 9.
If you would like to know the value of the function when x = 2, you can calculate this using the following steps:

f(x) = 2 * x^2 - 3 * x + 7
x = 2
f(2) = 2 * 2^2 - 3 * 2 + 7 = 2 * 4 - 6 +7 = 8 - 6 + 7 = 9

The correct result would be 9.
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