2 years ago

Pls help!!! this is urgent!!

Mathematics

1 answer:

Iteru [2.4K]2 years ago

8 0

Answer:

Answer in step by step.

Step-by-step explanation:

Before the heater stopped working, the temperature was at 74 degrees. Then, the heater broke and it dropped 4 degrees to 70. It was still at 70 degrees when someone fixed the heater again.

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Factor -7x3 + 21x2 + 3x - 9 by grouping. What is the resulting expression?

irga5000 [103]

Answer:

$(x-3)(-7x^2+3)$ is the resulting expression after grouping

Step-by-step explanation:

Given:

$-7x^3+21x^2+3x-9$

Now taking common $-7x^2$ from 1st 2 numbers and and 3 common from last we get

$-7x^2(x-3)+3(x-3)$

Now taking x-3 common from both numbers we get

$(x-3)(-7x^2+3)$ which is the final equation after grouping

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3 years ago

byron purchased a $5000 certificsye of deposit at his local bank the cd will pau him 7% simple interest at the end of 2 years ho

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3 years ago

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2 years ago

3-2/3= ? 2/3 is half

Helga [31]

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3 years ago

If K(3, -7) is rotated 270°, what will be the coordinates of its image?

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3 years ago

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