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anastassius [24]
3 years ago
8

Consider the two expressions representing the degree measures of the labeled angles.

Mathematics
1 answer:
tamaranim1 [39]3 years ago
4 0

Answer:

B 16

Step-by-step explanation:

If you substitute in the  values for x and input the value for b in both equations and solve you should get the same degree measure.

  1. Input the vale for b which is 16
  2. substitute 16 for x (8(16) + 14)°
  3. Multiply 16 by 8 and you would get 128
  4. Then add 14 to 128 and you would get 142° for the measure of 1 angle

Then do the same for the other equation to see if you get the same value:

  1. substitute 16 for x (12(16) - 50)°
  2. Multiply 16 by 12 and you would get 192
  3. Then subtract 50 from 192 and you also should get 142°for the other angle

So the answer is B because when you input the value into both of the equations and solve, the measures of the angles are the same. The other values when you input them in the equations for x you get different angle measures.

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How would I answer this?
Reika [66]

<u>Answer:</u>

C = 145.4°

By creating a system of equations (2 equations) with the information from a problem, we can substitute and solve for the missing variables.

<u>Step-by-step explanation:</u>

Linear pairs are found on a straight line, so they total to 180°.

C + D = 180 ......eq'n [1]

C is seven more than four times D can be represented with this equation:

C = 4D + 7 ........eq'n [2]

We can solve by <u>substituting [2] into [1]</u>, replacing "C".

C + D = 180

4D + 7 + D = 180

Collect like terms

5D + 7 = 180

Subtract 7 from both sides

5D = 173

Divide both sides by 5

D = 173/5

As a decimal, D = 34.6°.

Using eq'n [2], find C. Substitute the value of "D". Solve.

C = 4D + 7

C = 4(173/5) + 7

C = (692/5) + 7

C = (692/5) + (35/5)         Find a common denominator.

C = (692+35)/5                Combine into numerator.

C = 727/5

As a decimal, C = 145.4°.

3 0
4 years ago
Evaluate 2x+5.6 x=1.4
Y_Kistochka [10]

Answer:

8.4

Step-by-step explanation:

<u>Step 1:  Set the value of x to 1.4</u>

2x + 5.6

2(1.4) + 5.6

2.8 + 5.6

8.4

Answer:  8.4

6 0
3 years ago
Read 2 more answers
What is the distance between (-1,4) and (2,0)
Ivahew [28]

Answer: 5

The Distance between the coordinates of two points is measured by distance formula.

Step-by-step explanation:

The Distance between the coordinates of two points P(x1,y1) and Q(x2,y2) is measured by

Distance PQ= \sqrt{}(x2-x1)²+(y2-y1)²

So, the distance between (-1,4 ) and (2,0) can be calculated by

Distance= \sqrt{}(2-(-1))²+(0-4)²

              = \sqrt{}(3)²+(-4)²

              =\sqrt{}9+16 = \sqrt{}25                                                  as    \sqrt{}25 = 5

Distance = 5

So the distance between the two coordinates is 5.

7 0
3 years ago
What is the start time?<br><br> End time:10:08<br> elapsed time :30 minutes
Hoochie [10]

Answer:

9:38

Step-by-step explanation:

BRAINLY PATROL DONT DELETE THIS!

10:08-30=9:38

5 0
2 years ago
Solve each system of equations without graphing: 6t-9u=10 and 2t+3u=4
stepladder [879]

Answer:

6t-9u=10

2t+3u=4

t=11/6

u=1/9

Hope This Helps!!!

6 0
3 years ago
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