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Lisa [10]
3 years ago
6

I need help with this

Mathematics
2 answers:
svetoff [14.1K]3 years ago
7 0
That line that contains labeled angles is a straight angle and straight angles are 180 degrees. So you would do 72 + x+4=180 (you can remove the parenthesis because + * + = +). Simplify the equation to x+76=180. subtract 76 from both sides and get x=104 degrees as your final answer.
velikii [3]3 years ago
5 0

Answer:

x = 104 degrees

Step-by-step explanation:

A line like this will always have a measure of 180 degrees, therefore when the two sides are combined, it must equal 180, which means you can set up an equation and x can be determined

72 + x + 4 = 180

76 + x = 180

-76         -76

x = 104 degrees

Hope this helps!

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78 Solve for x, with variables on both sides of equation. (Note: x is the same thing as 1x) You must show your work!
Feliz [49]
9x= x+4

Subtract x on both sides to balance the equation. 

8x= 4

Divide 8 into both sides. (the inverse of multiplication) 

x= 1/2

We can check this by plugging in x.

9(.5)= .5+4

4.5= 4.5

I hope this helps!
~kaikers
4 0
4 years ago
W -3/4= -1/8 simplify the awnser as much as possible
oksian1 [2.3K]
The answer to your question is:
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4 0
3 years ago
Can someone help me find out how to solve this problem I just need to find what function to use
Nataly_w [17]

Answer: tangent

Step-by-step explanation: from the diagram the adjacent and the opposite are given. From SOHCAHTOA , tan is the only trig ratio with opposite and adjacent.

Thus tan teta= opposite÷adjacent

tan teta= 3÷6= 0.5

teta=tan invers of 0.5

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7 0
3 years ago
The diameter of a circle is 3 cm. Find the circumference to the nearest tenth.
nika2105 [10]

Answer:

The answer is 9.4 cm.

Step-by-step explanation:

To solve for the circumference of the circle, use the circumference formula, which is C = 2 \pi r.

Next, in the problem, the circle has a diameter measure but no radius measure. To find the radius of this circle, divide the diameter (3 cm) by 2, and it will equal 1.5 cm. The radius is being divided by 2 because the radius of any circle is equal to half the diameter of the circle.  

Then, plug in the information given from the problem into the formula, and the formula will look like C = (2) (\pi) (1.5 cm).

Finally, solve the equation, and the answer is 9.4 cm.  

8 0
3 years ago
Which equation represents a line that passes through the points (5,-2) and (8,4)?
Gwar [14]

Answer:

The correct choice is option D. y = 2x -12

Step-by-step explanation:

slope of the points (5,-2) and (8,4) is m = 2

y — intercept of the points (5,-2) and (8,4) is b = -12

Now, put it all together, and you'll get :  y = 2x -12

3 0
3 years ago
Read 2 more answers
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