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3 years ago

Lance is drawing a triangle. He draws one side that is 8 inches long and another side that is 5 inches

Mathematics

1 answer:

ASHA 777 [7]3 years ago

4 0

Answer:

6 inches

Step-by-step explanation:

(8-5)>x>(5+8)

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Bethany says that 3x+6+x and 3(x+2) and equivalent expressions. She used substitution to support her answer. Explain what Bethan

Vinvika [58]

She forgot about the final x at the end, because the first expression is 3x+6+x, and the second one is 3(x+2). The second one expands to 3x+6, but it doesn't have the final term at the end.

Also, 3 is not really a factor of x (technically it could be because x in unknown, but in terms of like terms and stuff it isn't) so you can't take a 3 out of x (unless you leave it as 1/3x I guess).

Anyway, yeah she forgot about the final x and therefore the factor she took out is incorrect anyway. She also could've simplified the first expression so that it became 4x + 6

3 0

3 years ago

Brianna went to the salon and had 1 5/6 inches of hair cut off. The next day she went back and asked for another 1 5/6 inches to

zaharov [31]

Answer:

I'm sorry I really need points to ask a question for a really big math test! :(( pls no report this is a huge test

Step-by-step explanation:

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3 years ago

Divide. Express the quotient in simplest form. x^2−x−12/2x^2÷x^2+x−6/2x^3

sertanlavr [38]

Hey there!

These are technically expressed as fraction. When you divide a fraction by another, you can replace the second fraction with its reciprocal and you can now multiply the fractions together instead.

$\frac{x^2-x-12}{2x^2} / \frac{x^2+x-6}{2x^3}$

$\frac{x^2-x-12}{2x^2} * \frac{2x^3}{x^2+x-6}$

Now, just multiply across the top and the bottom. You can first cancel out any terms that are repeated or similar.

$\frac{12}{2x^2} * \frac{2x^3}{-6}$

$\frac{2}{x} * \frac{1}{-1}$

$\frac{2}{-x}$

Your answer will be $\frac{2}{-x}$ .

Hope this helped you out! :-)

5 0

3 years ago

Read 2 more answers

Can someone please help me!!!

CaHeK987 [17]

Answer:

The base angles for 1 are L and J

Vertex angle is H

The legs are the lines on each side of the triangle

Step-by-step explanation:

7 0

3 years ago

If y = 6, then what is the value of x if(y = 5x – 6)? A. 7 1/5 B. 7 C. 2 2/5 D. 0

Bond [772]

9514 1404 393

Answer:

C. 2 2/5

Step-by-step explanation:

Put in the given value of y and solve for x.

6 = 5x -6

12 = 5x . . . . . . . . . add 6

12/5 = x = 2 2/5 . . . divide by 5, express as mixed number

6 0

3 years ago