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MA_775_DIABLO [31]
3 years ago
6

I need help on this​

Mathematics
2 answers:
Genrish500 [490]3 years ago
8 0
The answer is C. 16 since its the only number thats, when plugged into both, is equal, This is the case as parallel lines AWAYS have the same angle measurement in these specific spots. The picture will have my work, and I have added a 1 to the angles that equal 50° and a 2 to the angles that equal 130°(since the transversal is a straight line, its a 180° angle, so on BOTH sides of the transversal, the 2 angles must equal 180° when added).
luda_lava [24]3 years ago
7 0

Answer:

C. 16

Step-by-step explanation:

First of all, these two angles are corresponding angles, which means that they equal each other. So, the equation here would be: 2x+18= 4x-14.

Step 1- Move the variables to one side.

2x+18= 4x-14

-2x       -2x

18= 2x-14

Step 2- Add 14 to both sides of the equation.

18= 2x-14

+14      +14

32= 2x

Step 3- Divide 2 to both sides of the equation to isolate the variable.

<u>32</u>=<u> 2x</u>

2     2

x= 16

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Mr. Inahurry sold his house for $27,000, which is a 10% loss over what he originally paid for it. What did he pay for the house
Ainat [17]

Answer: $30,000

Step-by-step explanation:

If Mr. Inahurry had a 10% loss, it means that he paid X for the house and only got back 90% (100% - 10%) of what he paid.

This way X . 90% = 27,000

               X . 0.90 = 27,000

               X = 27,000/0.9

               X = 30,000

Counter-proof: 30,000 . 10% = 30,000 . 0.10 = 3,000

                          30,000 - 3,000 = 27,000

4 0
3 years ago
PLEASE HELP FAST<br> W=235 - 2.5t
faltersainse [42]

Answer:

Step-by-step explanation:

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8 0
3 years ago
If i^2 = −1 and x = i + 9, which is the result of squaring x?
Anestetic [448]

Answer:

80 + 18i

Step-by-step explanation:

i² = -1

x = i + 9

x² = (i + 9)²

Applying; (a + b)² = a² + 2ab + b² concept,

x² = i² + 18i + 81

We know that i² = -1

So x² = -1 + 18i + 81

x² = 81 - 1 + 18i = 80 + 18i

8 0
3 years ago
The sequence an= -(3)" - 1 is graphed below:
Pani-rosa [81]

Answer:

The given sequence is:

a(2)=1

a(3)=3

a(4)=9

We are to find the average rate of change between n=3 and n=4 for the given function.

Average rate of change = 

So the average rate of change for the given function from n = 3 to n = 4 is 6

Step-by-step explanation:

8 0
3 years ago
The midpoint of chord AB is ( , ), and the slope of chord AB is
kykrilka [37]

Answer:

See solution below

Step-by-step explanation:

Let the coordinate's of A and B be (1, 0) and (2,4) respectively

midpoint M (X, Y) = [(x1+x2/2, y1+y2/2)]

X = x1+x2/2

X = 1+2/2

X = 3/2

X = 1.5

Y = y1+y2/2

Y = 0+4/2

Y = 4/2

Y = 2

Hence the required midpoint (X, Y) is (1.5, 2)

Slope m = y2-y1/x2-x1

m = 4-0/2-1

m = 4/1

m = 4

Hence the slope is 4

<em>Note that the coordinates are assumed but the same calculation can be employed for any other coordinates</em>

7 0
3 years ago
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