Mathematics: What is -2x-10=4 A 3 B -5 C -7 D 9

What is -2x-10=4 A 3 B -5 C -7 D 9 - id210435795174956, aj2869

Ответ:

jessicaa2350

19.01.2022

Step-by-step explanation:

$- 2x - 10 = 4 \\ \\ \therefore \: - 2x = 10 + 4 \\ \\ \therefore \: - 2x = 14\\ \\ \therefore \: x = \frac{14}{ - 2} \\ \\ \huge \red{ \boxed{\therefore \: x = - 7}}$

Thus, option (C) - 7 is the correct answer.

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Ответ:

catt707p38uu0

06.05.2020

Mathematics

$\boxed{ \sf 1350 \ cm^2}$

Step-by-step explanation:

Surface area of a cube = 6a²

a = side length

The side length is given 15 cm.

6(15)^2

6(225)

1350

The surface area of the cube is 1350 cm².

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What is -2x-10=4
A 3
B -5
C -7
D 9

Ответ:

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