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Vlad1618 [11]
3 years ago
5

PLEASE HELP!!!! WILL GIVE BRAINLIEST FOR CORRECT ANSWER AND EXPLANATION

Mathematics
1 answer:
Volgvan3 years ago
5 0
27 as you align the numbers from smallest to greatest, 27 is  in the center
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Which will result in a perfect square trinomial (3x-5) (-3x-5)?
makvit [3.9K]

Answer:

-9x² + 25

Step-by-step explanation:

To solve, use FOIL. FOIL:

First

Outside

Inside

Last

Solve "First":

(3x)(-3x) = -9x²

Solve "Outside":

(3x)(-5) = -15x

Solve "Inside":

(-5)(-3x) = +15x

Solve "Last":

(-5)(-5) = +25

Combine like terms:

-9x² - 15x + 15x + 25

-9x² (-15x + 15x) + 25

-9x² + 25

-9x² + 25 is your answer.

~

8 0
3 years ago
Can someone help me solve for b? 2(b + 3) = 12
Akimi4 [234]
2b+3=12
-3 -3
2b=9
B=4.5
7 0
3 years ago
Read 2 more answers
Which set of ordered pairs is not a direct variation?
Nina [5.8K]

Answer:

The first option is not a direct variation

Step-by-step explanation:

When we talk of a direct variation, as one value increases, the other value increases too

Or as one value decreases, the other value decreases

A direct variation is of the form;

y = kx

k = y/x

where k is the coefficient of variation that must be a constant value all through the set of values

The values we are comparing here are the x and y values

So

let us take a look at the options;

The first option is not a direct variation

For the first option, the rate of increase is not constant;

2/6 = 1/3 , 8/12 = 2/3 , 14/18 = 7/9

for the second;

the ratio is 1 to 1

for the third;

3/6 = 1/2 ; 6/12 = 1/2; 9/18 = 1/2

for the fourth;

2/6 = 1/3, 4/12 = 1/3 , 6/18 = 1/3

8 0
3 years ago
The arrow on the spinner is to be spun once.
liubo4ka [24]
I think your anwser is D
7 0
3 years ago
Read 2 more answers
Helpppppp hurry and no links
Alexeev081 [22]

Step-by-step explanation:

6.3%

that is the correct answer

4 0
2 years ago
Read 2 more answers
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