3 years ago

At 3 P.M., the temperature is 12°F. It then began dropping 2°F every hour for 7 hours. What was the temperature after 7 hours?

1 answer:

7 0

All you need to do to answer this question is multiply 2 (the dropping temperature) by 7 (time in hours) which is 14. Subtract 14 from 12 and your answer is -2 degrees Fahrenheit

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Consider the equation below.

vaieri [72.5K]

Hello there

-y+2= -12(8y+8)

-y+2= -96y+96

-y+96y=96-2

95y=94

y=94/95

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3 years ago

I need help with coefficient

marshall27 [118]

1 is the only answer

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3 years ago

A teacher randomly selects three students each month from a class of 30 students to be the students of the month. Each student r

Lunna [17]

Answer:

10 groups

Step-by-step explanation:

because 30 divided by 3 is 10

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3 years ago

The radioactive substance uranium-240 has a half-life of 14 hours. The amount

k0ka [10]

<h2>Answer:</h2>

See analyris

<h2>Step-by-step explanation:</h2>

$Hlug\ in\ the\ value\ of \left.\ t.\right\}$

$The\ infital\ ampunt\ in\ the\ sample:$

$t=0_{-1}\ \ \ \ \ f(t)=39\omega\bullet(\frac{1}{2})^\frac{0}{14}$

$=3900\ g.$

$Ater\ bo\ busis.$

$t=6,\ \ \ \ \ A(t)=2900\times(\frac{1}{2})^\frac{60}{14}$

$=3900\times(\frac{1}{2})^\frac{30}{7}$

$\approx 209.$

<em>I hope this helps you</em>

6 0

2 years ago

Suppose Johnny invests $41,745 into an account, which has been earning interest for many years and he now has a total of $39,974

Alex

A negative number wouldn't be reasonable in investments because when you invest you are adding money to something. If you invest you aren't removing anything so there can't be negative numbers.

6 0

3 years ago

Read 2 more answers