3 years ago

PLEASE ANSWER PLEASE

Mathematics

1 answer:

Oliga [24]3 years ago

7 0

The answer is A i’m pretty sure

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Consider the expression –3(y – 5)2 – 9 + 7y.

kolbaska11 [484]

Answer: Option 'B' and 'E' are correct.

Step-by-step explanation:

Since we have given that

$-3(y-y)^2-9+7y$

Simplification needs a few steps:

$-3(y-5)^2-9+7y\\=-3(y^2+25-10y)-9+7y\\=-3y^2-75+30y-9+7y\\=-3y^2+37y-84$

So, Option 'B' and 'E' are correct.

As Option 'B' says there are 3 terms in the simplified product, which is true.

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3 years ago

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TJ-Maxx offered a 36% discount off the original

Allisa [31]

Answer:

$25.00

Step-by-step explanation:

well start of by using the rules of 3.

( always remeber that multiply is diagonal and divide left by one on the left)

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3 years ago

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You have been assigned a group number. The message your group receives is listed below. This message is TOP

artcher [175]

Answer:

Step-by-step explanation:

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3 years ago

What is the product of the polynomials below

Scrat [10]

Answer:

B. $15x^{4}$ + 2x³ - 8x² - 22x - 15

Step-by-step explanation:

1. (3x² - 2x - 3)(5x² + 4x +5)

$15x^{4}$ + 12x³ + 15x² - 10x³ - 8x² - 10x - 15x² - 12x - 15

2. Combine like terms

$15x^{4}$ + 2x³ - 8x² - 22x - 15

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3 years ago

Jade got a 90% on her math quiz. She had 36 questions correct. How many questions did Jade get wrong?

Brums [2.3K]

Answer:

4 questions

Step-by-step explanation:

90% is the same as multiplying a number by 0.9. Let's say the number of questions on the quiz is x. This means the amount she got right was 0.9x. We are given this is 36, so we can set them equal and simplify:

0.9x = 36

x = 40

She must have gotten 40 - 36, or 4 questions wrong.

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2 years ago