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vfiekz [6]
3 years ago
7

∠A and ​ ∠B ​ are vertical angles with  m∠A=x and  m∠B=4x−30 . What is m∠A ? Enter your answer in the box.

Mathematics
2 answers:
Paul [167]3 years ago
3 0
First off, if they’re vertical angles, they have to be congruent. So set the equation up as x=4x-30. Then solve and get the answer of x=10. Therefore your angle measure is 10 degrees
Tomtit [17]3 years ago
3 0

Answer:

x = 4x -30

We can solve for x subtracting x on both sides:

x-x= 4x-x-30

And then we can add 30 in both sides:

30= 3x

And dividing both sides by 3 we got:

x = 10

Step-by-step explanation:

For this case we know the measure of two angles:

m

m

And we know that both angles are vertical and by definition vertical angles are the angles opposite each other when two lines cross.

For this case since both angles are vertical we have the property that:

m

And replacing what we got we have:

x = 4x -30

We can solve for x subtracting x on both sides:

x-x= 4x-x-30

And then we can add 30 in both sides:

30= 3x

And dividing both sides by 3 we got:

x = 10

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20 POINTS
Mashutka [201]

To find x:

ON is parallel to LM

8x - 8 = 7x + 4

-7x        -7x

1x - 8 = 4

     +8   +8

1x = 12

---    ---

1        1

x = 12

8(12) - 8 = 7(12) + 4

96 - 8 = 84 + 4

88 = 88

------------------------------------

To find y:

NM is parallel to OL

x - 5 = 3y - 6

12 - 5 = 3y - 6

7 = 3y - 6

+6      +6

13 = 3y

---    ---

3      3

13/3 = y

Check:

12 - 5 = 3(13/3) - 6

7 = 13 - 6

7 = 7



6 0
3 years ago
Can i have some help with this please?
Zepler [3.9K]
This will be the answer

3 0
3 years ago
Read 2 more answers
A research report describing the results from a repeated-measures study states: The data show no significant difference between
kipiarov [429]

Answer:

Based on this report, you can conclude that a total of ___11__ individuals participated in the research study .

Step-by-step explanation:

Given that a  research report describing the results from a repeated-measures study states:

The data show no significant difference between the two treatments, t(10) = 1.65, p > .05.

Since t(10) is given, we can conclude that degrees of freedo is 10

Hence sample size is 10+1 =11

Based on this report, you can conclude that a total of ___11__ individuals participated in the research study .

4 0
3 years ago
Which equation is written in slope-intercept form?
dlinn [17]

Answer:

y=3x+2

Step-by-step explanation:

slope intercept form

y=mx+b

y=y coordinate

m=slope

x=x coordinate

b= y-intercept

5 0
3 years ago
What's 75/100 in simplest form
bagirrra123 [75]
Divide the numerator and denominator by their gcf (25)
75/25= 3
100/25= 4

Final answer: 3/4
7 0
3 years ago
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