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3 years ago

Lines a and b are parallel and lines e and f are parallel.

Mathematics

2 answers:

4vir4ik [10]3 years ago

7 0

But do not forgot if they are across from eachother they equal the same thing, notice how these two angles look the exact same so the answer will be 82

Anna11 [10]3 years ago

3 0

X = 82

a corresponding angle of 82 is also the vertical angle to x. This makes then equal.

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10. rhombus abcd has vertices at a(-2, 7), b(8, 7), c(2, -1), and d (-8, -1).

horrorfan [7]

Answer: 80

Step-by-step explanation:

We can use the formula $A=\frac{d_{1}d_{2}}{2}$ , where $d_{1}, d_{2}$ are the lengths of the diagonals.

By the distance formula,

$AC=\sqrt{(-2-2)^{2}+(-1-7)^{2}}=\sqrt{16+64}=4\sqrt{5}\\BD=\sqrt{(-8-8)^{2}+(-1-7)^{2}}=\sqrt{256+64}=8\sqrt{5}$

So, the area is $\frac{(4\sqrt{5})(8\sqrt{5})}{2}=\boxed{80}$

6 0

2 years ago

Solve for x. X + 142 135°

Lyrx [107]

Answer:

X=-7

Step-by-step explanation:

X + 142=135°

X=135-142

X=-7

So the value of X is -7

4 0

2 years ago

Y=2x-5 3x+8y+32=56 What does y and x equal?

AVprozaik [17]

Y = 2x - 5
3x + 8y + 32 = 56
3x + 8(2x - 5) + 32 = 56
3x + 8(2x) - 8(5) + 32 = 56
3x + 16x - 40 + 32 = 56
19x - 8 = 56
 + 8 + 8
 19x = 64
 19 19
 x = 3.4
y = 2(3.4) - 5
y = 6.8 - 5
y = 1.8
(x, y) = (3.4, 1.8)

5 0

2 years ago

2 ACTIVITY: Estimating a Percents

meriva

Answer: 45%

Step-by-step explanation:

Converting the word problem into words, we have:

18= x/100*40

Solving for it, we get that x=45.

7 0

2 years ago

Read 2 more answers

Describe the information of the graph of the parent function f(x)=x that results in the graph of g(x). g(x)=3x

romanna [79]

The new slope is 3, but the y-intercept doesn't change.

6 0

3 years ago