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4 years ago

$120 to $96 what is the percent decrease

Mathematics

1 answer:

guajiro [1.7K]4 years ago

4 0

Its 24 percent bc/ you do 120-96 then turn it into a percent

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PLEASE HELP LOOK AT IMAGE WILL GIVE BRAINLIEST

kipiarov [429]

I'm pretty sure it's the second one, anything to the Power of 0 (in this example p) is 1, and m to the -8th power simplifies to 1/m^8.

Hope this helps a little!

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3 years ago

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Multiply: (3x)(x4 + 5)

Lelu [443]

Answer:

12x² + 15x

Step-by-step explanation:

(3x × 4x) + ( 3x × 15)

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3 years ago

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F(x) = 1/x^2 and g(x) = 1/2x+4<br><br> f[g(x)] = 4x 2 _____

Korolek [52]

Answer:

f[g(x)] = 4x²+1/16

Step-by-step explanation:

We need to put g(x) into f(x).

f[g(x)] = 1/(1/2x+4)²

f[g(x)] = 1/(1/4x²+16) Solve the exponential.

f[g(x)] = 1/(1/4x²+16) Simply the fraction.

f[g(x)] = 4x²+1/16

5 0

3 years ago

#19 how do you do the work???!

Semenov [28]

Answer:

$x=\frac{1}{3}$

Step-by-step explanation:

move the terms with $x$ to the left side of the equation:

add 3x to both sides

$3x-1+3x=1$

add 3x and 3x

$6x-1=1$

move all term not containing $x$ to the right side:

add 1 to both sides of the equation

$6x=1+1$

$6x=2$

divide each term by 6

$\frac{6x}{6}=\frac{2}{6}$

$x=\frac{2}{6}$

simplify the fraction

$x=\frac{1}{3}$

8 0

3 years ago

What us the value of the discriminant of the quadratic equation -2^2=-8x+8 and what does its value mean about the number of a re

svlad2 [7]

ANSWER

The discriminant is zero.

The given equation has one real root.

EXPLANATION

The given quadratic equation is:

$- 2 {x}^{2} = - 8x + 8$

We rewrite this in the form;

$a {x}^{2} + bx + c = 0$

$- 2 {x}^{2} + 8x - 8 = 0$

This means that,

a=-2, b= 8, c=-8

The discriminant is given by;

D=b² - 4ac

That is:

$D = {8}^{2} - 4( - 2)( - 8)$

$D = 64 - 64 = 0$

Therefore the discriminant is zero.

This tells us that the quadratic equation has one real root.

In order words, the given quadratic equation has a repeated real root.

3 0

4 years ago