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3 years ago

9

I really need help with this Math Answer

1 answer:

lord [1]3 years ago

4 0

Answer:

Im guessing its; A

Step-by-step explanation:

8in. - 6in. = 2in. of differance

24in. - 18in. = 6in. of differance

(You get 6 by multiplying 2 X 3.)

12 x 3 = 36.

So, I'm guessing its 36 inches.

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39 out of 60 is equivalent to what decimal and percent?

miss Akunina [59]

Answer:

65 %

hope this helps

have good day :)

Step-by-step explanation:

4 0

3 years ago

Find the Least Common Denominator of the fractions: 3/5 and 27

Flauer [41]

Answer: 5

Step-by-step explanation:

The LCM for the denominators 5 and 1 is 5. So that means the LCD is 5.

3/5 = 3/5 x 1/1 = 3/5

27 = 27/1 x 5/5 = 135/5

3 0

3 years ago

Please answer correctly !!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!!!!!

babymother [125]

Answer:

x=15 and y=49

Step-by-step explanation:

y+16=5x-10

and (y+16) + (8x-5)=180

so y=5x-26 and then

plug in for y so 5x-26+16+8x-5=180

that means x=15

plug in for x

y+16= 5(15)-10

that means y=49

thanks for the brainliest!

5 0

3 years ago

45 liters of helium at $.42 per liter

earnstyle [38]

Answer:

The answer is 45 liters = $1890

Step-by-step explanation:

As 1 liter of helium = $42

So multiply 45 liters with $42

Equals $ 1890 for 45 liters of heluim

7 0

2 years ago

Select the correct answer

Kaylis [27]

Answer:

B. 1.-1,-2

Step-by-step explanation:

$g(x) = x ^{3} + 2 {x}^{2} - x - 2$

Substitute g(x)=0

$0 = {x}^{3} + 2 {x}^{2} - x - 2$

Move the expression to the left

$0 - {x}^{3} - 2 {x}^{2} + x + 2 = 0$

Factor out -x^2 from the expression

$- {x}^{2} \times (x + 2) + x + 2 = 0$

Factor out (x+2) from the expression

$(x + 2) \times ({x}^{2} + 1) = 0$

When the product of the factor equals 0, at least one factor is 0

$x + 2 = 0$

$- {x}^{2}+ 1 > = 0$

Solve for x

$x = - 2 \\ x = - 1\\ x = 1$

4 0

3 years ago