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ss7ja [257]
2 years ago
14

6

Mathematics
1 answer:
Dominik [7]2 years ago
6 0

Answer:

1140

Step-by-step explanation:

A decagon has 10 sides so substitute it like this:

(n-2) x 180

(10-2) x 180

8 x 180= 1140

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I don't understand how to solve this please help and if you can please show work, thank you
Korvikt [17]
So you know: 
1) There are 180° in a triangle.
2) A straight line is also 180°.
So the three angles in the triangle are 
2x, 103-x, and (180-(6x-7)).
Solve for x!
2x + 103-x + (180-(6x-7)) = 180
2x + 103-x + 180-6x+7 = 180 
-5x = -110
x = 22
4 0
3 years ago
I need help ASAP please
svetoff [14.1K]

Answer: 23

Step-by-step explanation:

6 0
3 years ago
Use the figure below to complete the following problem
yarga [219]

Answer:

60

Step-by-step explanation:

<H + <T = 180

2x+ 60 + x + 30 = 180

3x + 90 = 180

3x = 90

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<T = x + 30 = 30 + 30 = 60

Answer

<T = 60

6 0
3 years ago
What is the yintercept of f(x) =(1/2)^x<br> ?
Anestetic [448]

\text{Find the y-intercept:}\\\\\text{To fidn the y-intercept, we would have to plug in 0 to x. Since the y-intercept}\\\text{exists whenever x is equal to 0}\\\\\text{Solve:}\\\\f(x)=(\frac{1}{2})^0\\\\\text{We know that whenever the exponent is 0, it equals to 1}\\\\f(x)=1\\\\\text{Therefore, this makes the y-intercept 1.}\\\\\text{Answer is stated as a point on the graph}\\\\\boxed{(0,1)}

4 0
3 years ago
Rewrite each pair of unlike fractions as like fractions 1/2,1/4
yuradex [85]
Example:
1. 2/3,3/4 
<span>2. 3/5,1/2 </span>
<span>3. 2/5,1/3 </span>
<span>4. 5.6,4.5 </span>
<span>5. 1/2,2/3 </span>
<span>6. 3/7,2/3 </span>
<span>7. 1/3,3/10 </span>
<span>8. 2/5,3/7
</span>
Answer:

1. 8/12, 9/12 
<span>2. 6/10, 5/10 </span>
<span>3. 6/15, 5/15 </span>
<span>4. 25/30, 24/30 </span>
<span>5. 3/6, 4/6 </span>
<span>6. 9/21, 14/21 </span>
<span>7. 10/30, 9/30 </span>
<span>8. 14/35, 15/35</span>

5 0
3 years ago
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