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Arada [10]
3 years ago
12

Solve for x in the diagram below.

Mathematics
2 answers:
Dimas [21]3 years ago
7 0

Answer:

x=25

Step-by-step explanation:

Vertical angles are always congruent.

4x+50=150

    -50   -50

= 4x=100

  --   ------

   4      4

x=25

Hope this helps.

Eddi Din [679]3 years ago
5 0

Answer:

x = 25

Step-by-step explanation:

4x +50 = 150

4x = 150-50

4x = 100

4x/4 = 100/4

x = 25

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4(5) to the power of 2 -3
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4(10) to the power of 2 -3
:40 to the power of 2=1600
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I need help with Geometry
yawa3891 [41]

Answer:

The correct answer is:

Option 2: Yes, because the slopes of lines are negative reciprocals.

Step-by-step explanation:

Given equations of lines are:

Line p: x+2y=1

Line q: y=2x+1

We can determine if two lines are parallel or perpendicular by comparing the slopes of line.

Slope intercept form of line is given by the formula

y = mx+b

Equation of line q is already in slope intercept form.

We have to convert the equation of line p in slope-intercept form

x+2y = 1\\2y = -x+1\\2y = -\frac{1}{2}x+\frac{1}{2}

Slope of line p = 2

Slope of line q = -1/2

We can see that

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The product of slopes of both lines is -1, hence, the lines are perpendicular.

Hence,

The correct answer is:

Option 2: Yes, because the slopes of lines are negative reciprocals.

3 0
3 years ago
Abby's friend told her that he drew a quadrilateral with exactly one pair of parallel sides. Abby said it must be a trapezoid. I
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Answer:

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Step-by-step explanation:

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8 0
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There are 140 people in a singing competition. The graph shows the results for the first five rounds
SOVA2 [1]

a) The expression is y = 140 - 15 x

b ) There are 5 participants in the 9th round

Step-by-step explanation:

Step 1 :

From the graph we can see that,

Number of people in the singing competition = 140

Number of people in the first round = 125

Number of people in the second round = 110

Number of people in the third round = 95

Number of people in the fourth round = 80

Number of people in the fifth round = 65

Step 2 :

From the given data, We can get that the difference between the number of people participating in each round is 15 less than the previous round .

The first round has 15 people less than the total number 140

Let x represent the number of the round and y represent the number of people participating in each round .

Then the expression to represent this would be

y = 140 - 15 x

Step 3 :

To find the number of participants in the 9th round given the same pattern continues.

For the 9th round x = 9, as x represents the number of the round

Substituting this in the equation obtained in step 2, we get

y = 140 -15 (9) = 140 - 135 = 5

There are 5 participants in the 9th round

Step 4 :

Answer :

a) The expression is y = 140 - 15 x

b ) There are 5 participants in the 9th round

4 0
4 years ago
Help please<br><br> What is the answer I’m struggling
yaroslaw [1]
I believe the answer is x=120
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