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SSSSS [86.1K]
4 years ago
7

One cold night the temperature was 0 degrees at 8 p.m. The temperature dropped at a constant rate from 8 p.m. to midnight. At mi

dnight the temperature was −16.8 degrees. What was the temperature at 9 p.m.?
Mathematics
1 answer:
Elena L [17]4 years ago
4 0

-16.8 = m(4)

-16.8 / 4 = -4.2

So the constant rate is -4.2.

Hope this Helps!!

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Chrissy currently has a credit card that charges 15% interest. She usually carries a balance of about $500. What will her total
Evgesh-ka [11]

Answer:

$900

Step-by-step explanation:

If she holds $500 and she is charged 15%; it means

The interest she pays per month is ;

$500 × 15/100 = $75

Then annually meaning for 12 months, she pays;

$75 × 12 = $900

6 0
3 years ago
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Find the complete factored form of the polynomial -8a^4b^5+4a^2b^4
Zigmanuir [339]

Answer:

The completely factored polynomial is:

⇒ -4a^2b^4(2a^2b-1)  

Step-by-step explanation:

Given polynomial:

-8a^4b^5+4a^2b^4

To factor the given polynomial completely.

Solution:

In order to factor the given polynomial, we will  find the greatest common factor of the terms and then factor them out by dividing the term by its G.C.F.

The factors can be listed as:

-8a^4b^5=-1\times 2\times 2\times 2\times a\times a\times a\times a\times b\times b \times b\times b \times b

4a^2b^4=2\times 2\times a\times a\times b\times b \times b\times b

From the factors listed the GCF can be given as = 2\times 2 \times a\times a \times b \times b\times b \times b

GCF = 4a^2b^4

Factoring out the GCF.

4a^2b^4(-2a^2b+1)

The above expression can be simplified by factoring out -1.

-4a^2b^4(2a^2b-1)      (Answer)

5 0
3 years ago
Read 2 more answers
HELP PLEASE !!!! SHOW WORK TO ANSWER PLEASE
likoan [24]

Answer: ~14°, ~62°

Step-by-step explanation:

See image. You should be able to easily calculate the last two angles.

5 0
3 years ago
Please answer this: There are 2.54 centimeters in 1 inch. There are 100 centimeters in 1 meter.
Tom [10]

Answer:

40 m

Step-by-step explanation:

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401.32/100 = 40.132

40.132 ≈ 40

8 0
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Every week, a car dealer ship sells at least 5 minivans. Write an inequality that represents this situation. Let c represent the
kvv77 [185]

Answer:

we conclude that an inequality 'c ≥ 5' denotes this situation.

Step-by-step explanation:

Given

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When we talk about 'at least', it means we are talking about '≥' in terms of representing the 'at least' in inequality symbol.

For instance,

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Coming back to the question,

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Thus, we conclude that an inequality 'c ≥ 5' denotes this situation.

8 0
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