3 years ago

3∣a−b∣ if a=−9 and b=3

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

8 0

Answer:

36 because the absolute value of -9-3 is 12, and then 12 times 3 is 36

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2x^2-5xy-y^3 If x=-3 and y=-2 Using PEMDAS

kirill115 [55]

Answer:

-4.

Step-by-step explanation:

2x^2 - 5xy - y^3

= 2(-3)^2 - 5(-3)(-2) - (-2)^3

= 2*9 - 5(-3)(-2) - (-8)

= 18 -5*6+ 8

= 18 - 30 + 8

= -12 + 8

= -4.

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4 years ago

Simplify the complex fraction 2 3/4 divided by 1 1/8

MaRussiya [10]

Answer:

2 3/4 divided by 11/8 would be 2.

Factor the numerator and denominator and cancel the common factors.

I hope that this was helpful :3

STAY SAFE!! :)

6 0

4 years ago

Read 2 more answers

Here this is the new one.

Helga [31]

Formula #1: 0.15x + 22

Formula #2: 0.19x

0.15x + 22 = 0.19x

$15x+2200=19x\\15x=19x-2200\\-4x=-2200\\\frac{-4x}{-4}=\frac{-2200}{-4}\\X = 550$

So x = 550.

I hope this helps! :)

5 0

3 years ago

What is the area of this kite? 8 m 12 m 12 m 30 m 38 m

makkiz [27]

What kite? Where’s the image

3 0

3 years ago

Read 2 more answers

Averi was trying to factor 4x2 + 20x - 16. She found

hichkok12 [17]

Answer:

The width will be $x^{2} +5x-4$

Step-by-step explanation:

Thinking process:

Let the model be:

$4x^{2} +20x-16$

factoring out 4 gives:

$4(x^{2} +5x-4)$

Factorizing the expression in the parentheses gives:

$4(x^{2} +5x-4)$

Therefore, since the expression in the parentheses cannot be factorized further, the expression is:

$length = 4 units\\width = x^{2} +5x-4$

7 0

3 years ago