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2 years ago

At noon, the temperature was 77 degrees, but by midnight, it had dropped to 52 degrees. What percent change is that?

Mathematics

1 answer:

Andreyy892 years ago

8 0

The percentage change in temperature is approximately: -32.5%.

<h3>What is Percentage Change?</h3>

Percentage change = (final value - initial value)/initial value × 100.

Given the following:

Initial temperature = 77 degrees
Final temperature = 52 degrees

Percentage change = (52 - 77)/77 × 100

Percentage change ≈ -32.5%.

Learn more about percentage change on:

brainly.com/question/809966

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Your family has $745 for vacation. They spend 40% of the money on a hotel. They spend the remaining 1/3 on food. How much money

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3 years ago

Read 2 more answers

Find the average rate of change of f(x)=2x-1 from x=-1 to x=2

MrMuchimi

The average rate of change from x = -1 to x = 2 is 2

Solution:

Given function is:

f(x) = 2x - 1

We have to find the average rate of change from x = -1 to x = 2

The average rate of change is given as:

$\text {Average rate of change}=\frac{f(b)-f(a)}{b-a}$

The average rate of change from x = -1 to x = 2 is given by formula:

$\text {Average rate of change}=\frac{f(2)-f(-1)}{2-(-1)}\\\\\text {Average rate of change}=\frac{f(2)-f(-1)}{3}$

Find f(2) and f( - 1)

Substitute x = 2 in given function

f(2) = 2(2) - 1 = 4 - 1 = 3

Substitute x = -1 in given function

f( - 1) = 2(-1) - 1 = -2 - 1 = -3

Substitute the values in above formula,

$\text {Average rate of change}=\frac{3-(-3)}{3}=\frac{6}{3}=2$

Thus average rate of change from x = -1 to x = 2 is 2

3 0

3 years ago

How do I solve this and what is the answer

expeople1 [14]

(-3) - (-3) = - 6
3 + (-3) = 0

4 0

3 years ago

Reduce to simpleast form. -5/8 - (-4/3)=

vfiekz [6]

$-\frac{5}{8} -(-\frac{4}{3} )= -\frac{5}{8}^{(3} + \frac{4}{3}^{(8} = \frac{-15+32}{24}= \frac{17}{24}$

3 0

3 years ago