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Genrish500 [490]
3 years ago
12

Which shows one way to determine the factors of x - 9x2 + 5x – 45 by grouping?

Mathematics
1 answer:
EleoNora [17]3 years ago
6 0

Answer:

The last one.

Step-by-step explanation:

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At sunset the temperature was 4 dgrees. the next morning at sunset it was -7 degrees. what is the difference betweeen these temp
DedPeter [7]

The difference between these temperatures for the sunset is found as 11 degrees.

<h3>What is temperature difference?</h3>

In science, the term Delta T (ΔT) refers to the temperature between two measuring points. The temperature varies according to time and/or location.

Some key features regarding the temperature difference are-

  • Merus, for example, uses it to assess the effectiveness of such a heat exchanger.
  • Or to evaluate the effectiveness of a heating or cooling system.
  • A fourth letter of a Greek alphabet is, (Δ). Whereas is the capital letter symbol and the lower case letter.
  • The sign is also used in mathematics. Describes the "difference" between any two changeable quantities. T is a value in a process that represents a difference between two observed temperatures.

Now, according to the question;

Let the initial temperature be 'T' = 4 degrees.

Let the final temperature be 't' = -7 degrees.

Therefore, the temperature difference is;

ΔT =  T - t

     = 4 - (-7)

     = 4 + 7

ΔT = 11

Therefore, the difference between these temperatures is 11 degrees.

To know more about the temperature difference, here

brainly.com/question/24746268

#SPJ4

8 0
2 years ago
A store discounts a stereo from 130 to 87.50. What is the percent discount?
Minchanka [31]
42.5 percent

Subtract 130 and 87.50
5 0
3 years ago
Please help I will give brainlist​
Mariulka [41]

Answer:

Your answer will be B

Step-by-step explanation:

Because you find the difference between 14 and 22 or the difference between 22 and 30 or the difference between 30 and 38. and so on then it will be 8

You then say ok 8 times x so for example 8×1 = 8 then you say ok 22 - 8= 22. So it will be 8x+14...

I hope this helped if not tell me please....❤

4 0
3 years ago
Read 2 more answers
Someone please help me, use a variable to represent the situation, and solve the equation using inverse operations.
Scorpion4ik [409]

Answer:

36 in

Step-by-step explanation:

T= toucan

M= macaw

T= 2/3M

T= 24

24= 2/3M

72=2M

36= M

4 0
3 years ago
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9. The formula V = wh is the volume formula for a rectangular prism. Find the length
Lelu [443]
Answer c 10cm
good luck
4 0
3 years ago
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