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3 years ago

Simple math problem: need help

Mathematics

2 answers:

Lesechka [4]3 years ago

8 0

Answer:

A. 40

Step-by-step explanation:

Angle A and angle S must be equal to one another, so add 45 and 55, subtract from 180, and divide that answer by 2

Alexandra [31]3 years ago

3 0

Answer:

the correct answer would be A)40 degrees

Step-by-step explanation:

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Tony tacos is selling 15 sodas for 10 dollars.Nicks nachos is selling 30 sodas for 20dollars. Write the ratios.Are the two ratio

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Answer: The ratios are proportional

Step-by-step explanation:

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Claire's music playlist contains songs she bought and songs her mother bought. The ratio of her songs to her mother's songs is 3

Vsevolod [243]

Answer:

Step-by-step explanation:

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3 years ago

Express x3 + 4x2 – 45x in factored form.

Dafna1 [17]

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3 years ago

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Find the square. (1/4A + 1/4B)^2<br><br> a) 1/16A^2 + 1/8AB + 1/16B^2<br> b) 1/4A^2 + 1/8AB + 1/4B^2

alisha [4.7K]

$(a + b)^2 = a^2 + 2ab + b^2$

$(\dfrac{1}{4}A + \dfrac{1}{4}B)^2 =$

$= \dfrac{1}{16}A^2 + \dfrac{1}{8}AB + \dfrac{1}{16}B^2$

Answer: A.

Another way to solve by factoring 1/4.

$(\dfrac{1}{4}A + \dfrac{1}{4}B)^2 =$

$= [\dfrac{1}{4}(A + B)]^2$

$= (\dfrac{1}{4})^2(A + B)^2$

$= \dfrac{1}{16}(A^2 + 2AB + B^2)$

$= \dfrac{1}{16}A^2 + \dfrac{1}{16}2AB + \dfrac{1}{16}B)^2$

$= \dfrac{1}{16}A^2 + \dfrac{1}{8}AB + \dfrac{1}{16}B)^2$

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3 years ago

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