2 years ago

Select all the expressions that are equivalent to 9 + 7x – 3y.

Mathematics

1 answer:

Lisa [10]2 years ago

7 0

Answer:

9 – (–7)x – 3y

Step-by-step explanation:

because - * - = +

so 9 – (–7)x – 3y = 9+7x -3y

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16x² +8-7x-3x2 - 13x

liq [111]

Answer:

$13x^{2}$ -20x+8

Step-by-step explanation:

Step 1: rearrange the equation

16x^2 - 3x^2 - 7x - 13x +8

Step 2: solve the equation

16x^2 - 3x^2 = 13x^2

-7x - 13x = -20x

(the +8 will stay the same)

so when we put it all together it gives us

13x^2 - 20x + 8

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2 years ago

A square garden has area 1764meter find it's length and perimeter

Aneli [31]

Answer:

$area \: of \: a \: squre = {a}^{2} \\ {a}^{2} = 176 \\ a = 13.26m \\ perimeter = 4a = 4 \times 13.26 = 53.04m^2 \\ thank \: you$

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bixtya [17]

Mariah earn 9.5 an hour

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2 years ago

All numbers less than 7 and greater than 7

mrs_skeptik [129]

Step-by-step explanation:

123456 less then 7

unlimited greater then 7

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2 years ago

What’s the value of x A- 86.5 B- 43.25 C- 133.25 D- 46.75

DiKsa [7]

133.25 is the awnser for this question

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