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4 years ago

Simplify the expression. 3 + 2 • (8 – 3) a. 25 b. 37 c. 16 d. 13 A?

Mathematics

2 answers:

Papessa [141]4 years ago

7 0

Answer:

Answer is D: 13

Step-by-step explanation:

You follow PEMDAS to do parenthesis first to get 5, then mulitply 2 and 5 to get 10, and finally add 10 to 3 to get 13, which is D.

Vitek1552 [10]4 years ago

6 0

PEMDAS

3+2(8−3)

=3+(2)(5)

=3+10

=13

answer is D)

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Given that p=x^2-y^2/x^2+xy

Nataly [62]

Answer:

p = - $\frac{1}{2}$

Step-by-step explanation:

Given

p = $\frac{x^2-y^2}{x^2+xy}$ ( factorise numerator and denominator )

x² - y² ← is a difference of squares and factors as (x - y)(x + y)

x² + xy ← factor out x from each term

= x(x + y) , thus

p = $\frac{(x-y)(x+y)}{x(x+y)}$ ← cancel (x + y) on numerator/ denominator

= $\frac{x-y}{x}$ ← substitute x = - 4, y = - 6

= $\frac{-4-(-6)}{-4}$

= $\frac{-4+6}{-4}$

= $\frac{2}{-4}$ = - $\frac{1}{2}$

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3 years ago

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1 none
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4 years ago

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lawyer [7]

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krek1111 [17]

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Step-by-step explanation:

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