3 years ago

Mandy runs 4 km in 18 min. she plans to run in a 15 km race. how long will it take her to complete the race?

1 answer:

6 0

It will take Mandy an hour, seven minutes, and thirty seconds to complete the race.

(67 minutes and 30 seconds)

I hope my answer helped!

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What does a equal -5(6a+21)=-15

borishaifa [10]

Step 1 : Simplify both sides
-5(6a+21)=-15
(-5)(6a)+(-5)(21)=-15
-30a-105=-15
Step 2 : Add 105 to both sides
-30a-105+105=-15+105
-30a=90
Step 3 : Divide both sides by -30
-30a=90
—————
-30 -30

a = -3

7 0

3 years ago

What are the zeros of the polynomial function? f(x)=(x+4) (x−4) (x+5)

IceJOKER [234]

Answer:

the zeros are -4, 4, -5

5 0

2 years ago

the graph of the equation below is a circle. what is the length of the radius of the cirlce? (x+5)2+(y+7)2=21^2

zloy xaker [14]

the radii would equal 7.5

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3 years ago

The smith family walked 2/3 of a mile in 2/7 of an hour? What is their unit rate in miles per hour? Explain how this is determin

frez [133]

Answer: $2\dfrac13\text{ miles per hour}$

Step-by-step explanation:

Given: Distance traveled by Smith = $\dfrac23$ mile.

Time taken = $\dfrac27$ hour

Unit rate in miles per hour = ( Distance traveled by Smith) ÷ (Time taken)

$=\dfrac23\div\dfrac27$

$\\\\=\dfrac23\times\dfrac72\\\\=\dfrac73\\\\=2\dfrac13\text{ miles per hour}$

Unit rate = $2\dfrac13\text{ miles per hour}$

6 0

3 years ago

I WILL GIVE BRAINLIEST!!!

netineya [11]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

M = 0.65146579

t=0

simplified = M ( t ) = 0.65146579 t

Step-by-step explanation:i really hope this helps you

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3 years ago