3 years ago

Can you help me with the last four? Thanks!!!

1 answer:

4 0

When you have -(-2) it equals +2 and the same goes for any other number. When you have +(-2) it equals -2 and the same goes for any other number. Hope this helps!

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What are the solution(s) to the quadratic equation 9x^2=4?

Irina18 [472]

Answer:

x = 2/3 or x = -2/3

Step-by-step explanation:

Solve for x over the real numbers:

9 x^2 = 4

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides by 9:

x^2 = 4/9

Hint: | Eliminate the exponent on the left-hand side.

Take the square root of both sides:

Answer:x = 2/3 or x = -2/3

8 0

4 years ago

Simplify the following expression: -2(3x-4)+4(x-8)

In-s [12.5K]

Answer:

-2x - 24

Step-by-step explanation:

$(-2)(3x)+(-2)(-4)+(4)(x)+(4)(-8)$
$-6x + 8 + 4x - 32$
$(-6x+4x) + (8-32)$
$-2x - 24$

Therefore, the answer is -2x - 24.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

3 0

2 years ago

Read 2 more answers

The quotient of a number and 5, less 10, is . write this in equation form

boyakko [2]

$\frac{x}{5} < 10$

7 0

3 years ago

Taylor wants to paint his rectangular deck that is 42 ft long and 28 ft wide. A gallon of pain covers 350 sq ft. How many gallon

xeze [42]

He will need 3 111/116 gallons of paint. Equation: (42x28)÷350=3 111/116 gallons of paint
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4 0

3 years ago

Read 2 more answers

16: 2r - 6 =22 17: 3g + 7 = 31 18: 3f - 7 = 38

cricket20 [7]

16: 2r - 6 =22
2r = 22 + 6
2r = 28
r =28/2
r = 14

17: 3g + 7 = 31
3g = 31 - 7
3g = 24
g = 24/3
g= 8

18: 3f - 7 = 38
3f = 38 +7
3f = 45
f = 45/3
f = 15

8 0

3 years ago