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GenaCL600 [577]
3 years ago
15

The temperature dropped 4° per hour. What is the change in temperature after 6 hours?​

Mathematics
2 answers:
topjm [15]3 years ago
5 0

Answer:

24

Step-by-step explanation:

Stels [109]3 years ago
4 0

Answer:

24°

Step-by-step explanation:

Temperature dropped per hour = 4°

Therefore,

Change in temperature after 6 hours

= 6*4

=24°

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Please answer this! Will award Brainliest!​
serg [7]

Answer:

2^20/3^8

Step-by-step explanation:

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3 years ago
Mark deposited $9,000 into two saving accounts bearing simple interest. One of the accounts has an interest rate of 8% while the
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0.07x+0.08 (9000-x)=700
Solve for x
0.07x+720-0.08x=700
0.07x-0.08x=700-720
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What is the slope of the line?
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Answer:

4

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As x increases by 1, y increases by 4.

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2 years ago
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The answer i got when i worked it out with my math teacher was C
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3 years ago
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Marla bought 12 books at a garage sale. Some of them were hardback and the rest were paperback. She paid $0.50 for each paperbac
olga nikolaevna [1]

Answer: The number of books bought were 9 paperbacks and 3 hardbacks

Step-by-step explanation: We shall start by assigning letters to the unknown variables, hence let the hardback be called h, while the paperback shall be called p.

If Marla bought 12 books at the garage sale, that means she bought

h + p  = 12 ------(1)

Then she paid 0.5 dollars for paperback and 0.75 dollars for hardback and the total spent was 6.75 dollars for all of them, then we can express these as follows;

0.5p + 0.75h = 6.75 ------(2)

We now have a pair of simultaneous equations which are

h + p = 12 ------(1)

0.5p + 0.75h = 6.75 ------(2)

From equation (1), make h the subject of the equation,

h = 12- p

Substitute for h into equation (2)

0.5p + 0.75(12 - p) = 6.75

0.5p + 9 - 0.75p = 6.75

0.5p - 0.75p = 6.75 - 9

-0.25p = -2.25

Divide both sides of the equation by -0.25

p = 9

Now, substitute for p into equation (1)

h + p = 12

h + 9 = 12

Subtract 9 from both sides of the equation

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Therefore Marla bought 9 paperbacks and 3 hardbacks

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