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2 years ago

Which two answer options describe a correct way to solve this problem?

Mathematics

2 answers:

olya-2409 [2.1K]2 years ago

4 0

The answer is B) add 1.25 and 2.70 and subtract that from 10.00

svetoff [14.1K]2 years ago

4 0

The answers would be A, and B. Think about it in terms of you paying for the bagel and coffee. You would want your change back and you would want the correct amount back, because you gotta buy those gummy bears.

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Express each quotient in the simplest form. 20xy^3/6z divided by 2xy/18z^5

Galina-37 [17]

$\dfrac{20xy^3}{6z}:\dfrac{2xy}{18z^5}=\dfrac{10xy^3}{3z}:\dfrac{xy}{9z^5}=\dfrac{10xy^3}{3z}\cdot\dfrac{9z^5}{xy}\\\\=\dfrac{10xy^3}{z}\cdot\dfrac{3z^5}{xy}=10y^2z^4\\\\\text{used:}\\ a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{a^m}=a^{n-m}$

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2 years ago

Find f(4) please, I need help

mixer [17]

Answer:

f(4) = 1

Step-by-step explanation:

f(4) = what?

So if we know that x, aka 4, is technicially f is greater then 2, so you can plug in x as 4. So that means 5(4) - 19 = 20 - 19 = 1, so f(4) = 1

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2 years ago

The high school graduating class of 2010 was 260 people. Five years later the high school graduating class was 320 people. By ap

jeka94

Answer:

The high school graduating class changed by approximately 23%

Step-by-step explanation:

we have

The high school graduating class of 2010 was 260 people

Five years later the high school graduating class was 320 people.

we know that

260 people represent the 100%

The difference is (320-260)=60 people

using proportion

Find out what percentage represent 60 people

Let

x ----> the percentage that represent 60 people

$\frac{260}{100\%}=\frac{60}{x}\\\\x= 100\%(60)/260\\\\x=23.1\%$

therefore

The high school graduating class changed by approximately 23%

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2 years ago

How do I factor this polynomial? q^2-121

Tresset [83]

$q^2-121 =q^2-11^2=(q-11)(q+11)\\ \\ \\a^2-b^2 =(a-b)(a+b)$

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2 years ago

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elena-s [515]

Answer:

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Step-by-step explanation:

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2 years ago