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sleet_krkn [62]
3 years ago
8

What do a * mean when your dealing with fractions

Mathematics
1 answer:
docker41 [41]3 years ago
3 0

Answer: It means to multiply

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A chemist recorded the change in temperature of a cooling liquid as −25.5°F over a 1.5 minute period. The temperature fell at a
Strike441 [17]

The rate of change in temperature is −17°F/min

<h3>Rate of change of a function</h3>

The formula for calculating the rate of change of a function is expressed as:

Rate of change = rise/run

This is also known as the slope of the function

Given the following parameters

Temperature = −25.5°F

Cooling time = 1.5mins

Determine the rate of change

Rate = −25.5°F/1.5min

Rate = −17°F/min

Hence the rate of change in temperature is −17°F/min

Learn more on rate of change here: brainly.com/question/8728504

#SPJ1

5 0
2 years ago
You have a part-time job. You earn $7.75 per hour. If you work 20 hours
katovenus [111]

Answer:

F. $155

Step-by-step explanation:

For this problem we simply need to multiply the base hourly pay by the amount of hours worked to find the straight-time pay for each week.

$7.75 * 20 = $155

Thus, your weekly pay will be $155.

Cheers.

4 0
2 years ago
Read 2 more answers
3 months ago Santos could walk 2 miles in 40 min. today he can walk 2 miles in 25 min. find percent of change
uranmaximum [27]
The percentage of change is -37.5%
8 0
2 years ago
In Which Quadrant is this true
34kurt

Given:

\sin \theta

\tan \theta

To find:

The quadrant in which \theta lie.

Solution:

Quadrant concept:

In Quadrant I, all trigonometric ratios are positive.

In Quadrant II, only \sin\theta and \csc\theta are positive.

In Quadrant III, only \tan\theta and \cot\theta are positive.

In Quadrant IV, only \cos\theta and \sec\theta are positive.

We have,

\sin \theta

\tan \theta

Here, \sin\theta is negative and \tan\theta is also negative. It is possible, if \theta lies in the Quadrant IV.

Therefore, the correct option is D.

5 0
2 years ago
Edwin deposited money into a savings account that pays a simple annual interest rate of 1.4%. He
mafiozo [28]
<h3>The deposited sum of money by Edwin is $350.</h3>

Step-by-step explanation:

Let us assume that the amount deposited  = P

The rate of interest  = 1.4%

The Simple Interest earned  = $24.50

Time  = T = 5 years

Now, as we know:

SIMPLE INTEREST  = \frac{P \times R \times T}{100}

\implies 24.50  = \frac{P \times 1.4 \times  5}{100} \\\implies P = \frac{24.50 \times 100}{1.4 \times 5}  = 350\\\implies P = 350

Hence, the deposited sum of money by Edwin is $350.

5 0
3 years ago
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