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3 years ago

Someone plz help giving brainliest if someone else answers

Mathematics

1 answer:

Likurg_2 [28]3 years ago

6 0

Answer:

7.833 yards²

Step-by-step explanation:

I can't take a pic but heres a link that does the math for you and explains. The top of the rectangular prism btw is called the surface area

https://www.omnicalculator.com/math/surface-area-rectangular-prism

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3 years ago

Pls help me I have other homework to do. Also it detects if it’s right or wrong:(

Lostsunrise [7]

Answer:

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Step-by-step explanation:

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3 years ago

Using the two statements, write the equation in one variable.

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3 years ago

Subtract rational expression. <br> Show work please.

yan [13]

Given:

$$\frac{x+4}{x-1}-\frac{5}{x^{2}-1}$

To find:

The simplified rational expression by subtraction.

Solution:

Let us factor $x^2-1$ . It can be written as $x^2-1^2$ .

$x^2-1^2=(x-1)(x+1)$ using algebraic identity.

$$\frac{x+4}{x-1}-\frac{5}{x^{2}-1}=\frac{x+4}{x-1}-\frac{5}{(x+1)(x-1)}$

LCM of $x-1,(x+1)(x-1)=(x+1)(x-1)$

Make the denominators same using LCM.

Multiply and divide the first term by (x + 1) to make the denominator same.

$$=\frac{(x+4)(x+1)}{(x-1)(x+1)}-\frac{5}{(x-1)(x+1)}$

Now, denominators are same, you can subtract the fractions.

$$=\frac{(x+4)(x+1)-5}{(x-1)(x+1)}$

Expand $(x+4)(x+1)-5$ .

$$=\frac{x^2+4x+x+4-5}{(x-1)(x+1)}$

$$=\frac{x^{2}+5 x-1}{(x-1)(x+1)}$

$$\frac{x+4}{x-1}-\frac{5}{x^{2}-1}=\frac{x^{2}+5 x-1}{(x-1)(x+1)}$

6 0

3 years ago

14=-2(2X+1) the answer for it

Natali5045456 [20]

14=-2(2x+1)

14=-4x-2
+2. +2

16=-4x
--- ---
16. 16

-4=x

4 0

3 years ago