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2 years ago

13

Which numbers represent the solutions to the inequality below? Check all that apply.

1 answer:

Degger [83]2 years ago

3 0

Your answer will be -3 only

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When multiplying two negative numbers, what kind of number does one always get for an answer?

harina [27]

Answer:

a positive number

Step-by-step explanation:

-(-) = +

for example, -1 * -1 = 1

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3 years ago

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126/21 The simplest form

Marina CMI [18]

$\dfrac{126}{21} = \dfrac{2 \times 3 \times 3 \times 7}{3 \times 7} = 6$

Answer: 6

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2 years ago

Use your understanding of the constant of proportionality to determine k. If the relationship does not have a constant of propor

mihalych1998 [28]

Answer:

Far left: constant of proportionality= 3.4

Middle: q=12----COP=3

Far right: COP=4----not proportional

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2 years ago

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A rectangular box has the dimensions shown in the diagram. The volume of the box is given by the function V(x) = x3 – 4x, where

marta [7]

Answer:

$Height =3$

Step-by-step explanation:

Given

$Length = x + 2$

$Width = x - 2$

$Height = x$

$Volume = 15$

Required

Find the height

The volume is calculated as thus:

$Volume = Length * Width * Height$

This gives

$15 = (x + 2) * (x - 2) * x$

Apply difference of two squares

$15 =(x^2 - 4 ) * x$

$15 = x^3 - 4x$

Subtract 15 from both sides

$x^3 - 4x - 15 = 0$

Using a calculator to factorize, we have:

$(x-3)(x^2+3x+5) = 0$

Split

$x - 3 = 0$ or $x^2 + 3x + 5 = 0$

$x = 3$ or $x^2 + 3x + 5 = 0$

x has complex roots for $x^2 + 3x + 5 = 0$

Hence:

$x = 3$

Recall that:

$Height = x$

$Height =3$

3 0

2 years ago

Pls help it’s due tomorow, giving brainliest to the first answer with all three correct :)

aev [14]

Answer:

b im positive it B but if im wrong message me

7 0

2 years ago

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