3 years ago

What is the value of x? Enter your answer in the box.

Mathematics

2 answers:

Art [367]3 years ago

3 0

Answer:

46 degrees

Step-by-step explanation:

you know that if you add 134 and x it will equal a straight line or 180 degrees. So set it up as an addition problem.

134 + x =180 subt. 134 from both sides

x=180-134

x=46 degrees

Kobotan [32]3 years ago

3 0

Answer:

Step-by-step explanation:

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Subtract. 5/9-(3 1/3) Enter your answer, as a mixed number in simplest form, in the box.

Vaselesa [24]

Answer:

$-2\frac{7}{9}$

Step-by-step explanation:

$\frac{5}{9} - 3\frac{1}{3} = \frac{5}{9} - \frac{10}{3} = \frac{5}{9} - \frac{30}{9} = -\frac{25}{9} = -2\frac{7}{9}$

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3 0

4 years ago

Simplify each expression 1.) (7+x) + 7x Pls show your work

Papessa [141]

The answer is 14x.

You always have to do whats in the parenthesis first. In this case you would do 7 + x = 7x. Then, you add this 7x to the other 7 x. 7x+7x=14x.

8 0

3 years ago

Consider the sequence of steps to solve the equation: 5(x - 3) = 7x 2 Step 1 ⇒ 10(x - 3) = 7x Step 2 ⇒ 10x - 30 = 7x Step 3 ⇒ 3x

umka21 [38]

It is the division property because x or 1x is dividing the 10

7 0

3 years ago

I need help with 8,9 and 10

rodikova [14]

Answer:

Answer 8: D

Answer 9: A

Step-by-step explanation:

8D: 5(12)/4-1=14

9A: Plug in -5(1)+2 = -3, so the point is (1,-3)

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8 0

3 years ago

Lia wants to estimate 4 1/7 x 3 3/5 To estimate, she simplifies the expression 4 x 3 1/2 .

Temka [501]

Given:
4 1/7 * 3 3/5

4 1/7 = (4*7)+1/7 = 29/7
3 3/5 = (3*5)+3/5 = 18/5

29/7 * 18/5 = 29 * 18 / 7 * 5 = 522 / 35 = 14.91

Simplified expression.
4 x 3 1/2

3 1/2 = (3*2)+1/2 = 7/2

4 * 7/2 = 4*7 / 2 = 28 / 2 = 14

It is a close estimate. Actual: 14.91 vs Estimate: 14

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3 years ago