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gtnhenbr [62]
9 months ago
15

What is the value of -7 + (-12) + 81? Pls help asap A: -100 B: -76 C: 62 D: 86

Mathematics
2 answers:
kvv77 [185]9 months ago
8 0

Answer: C: 62

Step-by-step explanation: -7 + -12 = -19

-19 + 81 = 62

Anastasy [175]9 months ago
4 0
The correct answer is 62.
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Calcula el volumen en metros cúbicos de una piscina que tiene 8 m de largo 2 m de ancho y 1.5 m de profundidad
Stella [2.4K]

Answer:

V = 24 m³

Step-by-step explanation:

The given question says that, 'Calculate the volume in cubic meters of a pool that is 8 m long, 2 m wide and 1.5 m deep'.

A pool is in the shape of a cubiod. The volume of the cuboid is given by :

V = lbh

Where

l is length, b is width and h is height

Put all the values,

V = 8 × 2 × 1.5

= 24 m³

So, the volume of the pool is equal to 24 m³.

7 0
3 years ago
Put the steps of solving the equation in order from first to last.<br> 2x + 1 = -1
Alborosie

Answer:

x = 1

Step-by-step explanation:

2x + 1 = -1

2x = -1 - 1

2x = -2

x = -2 ÷ -2

x = 1

3 0
2 years ago
For what value does x does 3^2x= g^3x-4<br> A)1<br> B)2<br> C)3<br> D)4
netineya [11]
The question has an error because the letter g does not make sense in the context.

I will assume that the g is really the number 9.

In that case, the equation to solve would be:

3^{2x} =  9^{3x-4}

You can solve for x following these steps:

1) make      9=3^2

=>

3^{2x} = 3^{2(3x-4)}

2) Given that the basis are equal the exponents have to be equal =>

2x = 2(3x - 4)

3) Solve:

2x = 6x - 8

6x - 2x = 8

4x = 8

x = 8/4

x = 2 which is the option B) which leads me to think that a 9 instead of g in the equation should be right.

Under that assumption, the answer is the option B) x = 2.

3 0
3 years ago
Simplify.<br> (A^2)^3+(A^-2)^-2<br> A. A^2<br> B. A^10<br> C. A^24<br> D. A^6+ A^4
Bingel [31]
A a^2 you wlc I think it’s right
4 0
1 year ago
I don't understand the math homework I need to do tonight please help
SpyIntel [72]
3 to the -2 power is basically 3x-3, which is -9, and -5 to the -3 power is (-5)(-5)(-5) which is equal to -125. hope that helped you out, bud!
4 0
3 years ago
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