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2 years ago

PLZ HWELP :( :(

Mathematics

1 answer:

Masja [62]2 years ago

7 0

Answer:

hope this help !

Step-by-step explanation:

you should get 16.61 + n = 37 and p = 20.39

since valentina has 37 dollars already, then that is the total amount the she has. When she spend 16.61, you will have to subtract that with 37. with p , you will put a + by it because it should that she bought additional item too. with this, you should get p = 20.39

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andrew11 [14]

Ft2 (squared) hope it helps

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2 years ago

Danna's age is 6 years less than 8 times Tessa's age. If Tessa's age is x years, which expression best shows Danna's age?

Marat540 [252]

6 - 8x is the correct answer

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3 years ago

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Urgent! Will award brainliest...<br> Factor the following polynomial:<br> <img src="https://tex.z-dn.net/?f=3a%5E%7B2%7D-21a%2B3

umka2103 [35]

Answer:

$3 (a-2) (a-5)$

Step-by-step explanation:

The first step is to find the GCF. Here, it's 3.

$3(a^2-7a+10)$

Then, you factor the polynomial in the parenthesis.

To find the factors, you will need to find 2 numbers that add to -7, and multiply to 10. -2 and -5 add to -7 and multiply to 10. Now, replace -7a with the factors.

$a^2-2a-5a+10$

This of this polynomial as 2 problems.

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Then, factor again.

$a^2-2a$ $-5a+10$

$a(a-2)$ $-5(a-5)$

Then, you keep the factors in parenthesis, and combine the numbers on the outside.

$(a-2)(a-5)(a-5)$

Since, there are 2 of the same factor, you only need one.

$(a-2)(a-5)$

BUT REMEMBER!! In the very beginning, we had a 3 that we took out, we STILL need to add that to the final answer. The <u>final answer</u> is:

$3 (a-2) (a-5)$

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2 years ago

84 students are in the school choir. The ratio of girls to boys is 3:4. How many members are girls?

Paul [167]

3 + 4 = 7
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Hope this helps :)

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2 years ago

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2 years ago