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Alexxandr [17]
3 years ago
11

Marco walked while his sister Amy ran at the track. Their distances and times are shown on the graph

Mathematics
1 answer:
castortr0y [4]3 years ago
4 0

The answer is C. 6 miles

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Ms. Peters drove from her home to the park
worty [1.4K]

It takes 15 minutes for Ms. Peter to drive from park to her home

Given :

from her home to the park at an average speed of 30 miles per hour and

returned home along the same route at an average speed of 40 miles per hour

it takes 20 minutes to travel

Convert 20 minutes in to hour (divide by 60)

20 minutes = 1/3 hour

We know that distance = speed x time

 From home to park, distance  =speed \cdot time =30 \cdot \frac{1}{3} =10 miles

So , distance between home  and park is 10 miles

Now we calculate the time taken to return from park to home

time taken =\frac{distance}{speed} =\frac{10}{40}=\frac{1}{4}\\

Time taken is 1/4 hours. Convert it into minutes by multiplying by 60

\frac{1}{4} \cdot 60=15

So it takes 15 minutes for Ms. Peter to drive from park to her home

Learn more : brainly.com/question/18839247

5 0
3 years ago
Simplify the expression.<br><br> ab – 2ac + cb
nignag [31]

Answer:

ab - 2ac + cb

Step-by-step explanation:

This expression cant be simplified

6 0
3 years ago
the sum of two numbers is 15 less than twice the first number their difference is 5 less than twice the second number.  Find the
Marina86 [1]
X --- <span>first number
y --- </span><span>second number

x + y = 2x - 15
x - y = 2y - 5

x - 2x + y = -15
x - y - 2y = - 5

-x + y = -15
x - 3y = - 5
-----------------
-2y = -20  /:(-2)
y = 10

</span>x - 3y = - 5   ⇒  x = - 5 + 3y = - 5 + 3 · 10 = - 5 + 30 = 25

Ans.:
x = 25
y = 10
5 0
4 years ago
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What is the value of y if x = 8? y = 4 + x + 6
Anvisha [2.4K]
X = 8
y = 4 + x + 6
(Replace the varibales)
y = 4 + 8 + 6
(Add)
y = 18

So the value of y is 18.
4 0
3 years ago
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What is the equation in slope-intercept form for the line that passes through the points
LekaFEV [45]

Answer:

d

Step-by-step explanation:

5 0
3 years ago
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