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Nostrana [21]
3 years ago
13

In preparation for a 3-day charity walk, Courtney is taking daily walks. To get an idea of how long the charity walk will take,

she records the time and distance of her walks. Yesterday, she walked 2.4 miles in 45 minutes. Today, she walked 2.8 miles in 52.5 minutes.
Assuming she walks at a constant rate, which of the following statements applies?

A.

An additional 3.2 hours of walking is associated with an additional mile walked.

B.

An additional hour of walking is associated with an additional 0.7 mile walked.

C.

An additional hour of walking is associated with an additional 3.2 miles walked.

D.

An additional 0.7 hour of walking is associated with an additional mile walked.
Mathematics
1 answer:
Vinvika [58]3 years ago
7 0

Answer: the answer is C

Step-by-step explanation:

took the test

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Enter the equation in standard form. y=9/3x-5/3
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<span>y = 9/3 x - 5/3
3y = 9x - 5
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3 years ago
How to calculate (-1,5) and (6,-2) that = -1
Alika [10]

The average rate of change formula is \frac{yf-yi}{xf-xi}

(-2-5)/(6-(-1))=-1

3 0
3 years ago
In △ABC, m∠A=15°, a=9, and b=10. Find c to the nearest tenth.
nadya68 [22]

In △ABC, m∠A=15°, a=9, and b=10

We apply sine law

\frac{ sin(a)}{b} = \frac{sin(b)}{b} = \frac{sin(c)}{c}

\frac{ sin(a)}{b} = \frac{sin(b)}{b}

\frac{ sin(15)}{9} = \frac{sin(b)}{10}

\frac{sin 15}{9} * 10 = sin(b)

0.287576716 = sin(b)

b= 16.7129 degree

angle A= 15 degree, angle B = 16.71 degree

So angle C = 148.29

\frac{ sin(a)}{b} = \frac{sin(c)}{c}

\frac{ sin(15)}{9} = \frac{sin(148.29)}{c}

c= \frac{sin(148.29)}{sin(15)} *9

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5 0
3 years ago
Select the option for "?" that continues the pattern in each question. 2, 7, 26, 101, 400, ?
makvit [3.9K]

Answer:

1595

Step-by-step explanation:

The given sequence is

2, 7, 26, 101, 400, ?

We need to find the missing term in this pattern.

First term is 2.

a_2=2\times 4-1=8-1=7

a_3=7\times 4-2=28-2=26

a_4=26\times 4-3=104-3=101

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So, the nh term of the sequence is

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Substitute n=6,

a_n=a_(6-1)\times 4-(6-1)

a_n=a_(5)\times 4-5

To find the next term, we need to find the product of 400 and 4 and after that the difference of resultant number and 5.

a_6=400\times 4-5=1600-5=1595.

Therefore, the missing term is 1595.

3 0
2 years ago
Belinda has a savings account. Every month she deposits $30 in it. The graph shows the relationship between the months and the b
Misha Larkins [42]

Answer:

Lets say that m is months

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lets say t is time

t = 30m > 120

After 4 months, she will have exactly $120. In 5, she will have more.

Step-by-step explanation:

4 0
2 years ago
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