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Salsk061 [2.6K]
3 years ago
11

What's is the value of x?​

Mathematics
1 answer:
Anton [14]3 years ago
6 0

Answer:

40°

Step-by-step explanation:

The measure of the right angle is 90°.

The measures of the angles 10° and 2x add up to the measure of the right angle.

2x + 10° = 90°

2x = 80°

x = 40°

You might be interested in
3x + y = 17<br> 4x - y = 18
Inessa05 [86]
The two equations given are
3x + y = 17 and 4x - y = 18
Now we will first take one equation
3x + y = 17
Then
y = 17 - 3x
Now replacing the value of y in the second equation we get
4x - y = 18
4x - (17 - 3x) = 18
4x + 3x - 17 = 18
7x = 35
 x = 35/7
   = 5
Putting the value of x in the first equation we get
3x + y = 17
(3 * 5) + y = 17
15 + y = 17
y = 17 - 15
y = 2
So the value of x is 5 and y is 2
5 0
4 years ago
Read 2 more answers
A store offers a 15% discount on all iterms in the store during a sale. All store emloyees get an additional 10% employee discou
kompoz [17]

Answer:

The cost would be $81.09

Step-by-step explanation:

In order to find the amount Chris will spend, start with the equation and input 100 for every x that you see.

c=0.765x +0.06(.765x)

c=0.765(100) +0.06(.765[100])

c = 76.50 + 0.06*(76.50)

c = 76.50 + 4.59

c = 81.09

4 0
3 years ago
Please need help on this
umka2103 [35]
A "solution" is where the graph crosses the
x-axis so while the quadratic has no real solutions, the straight line passing through it does as it intersects the x-axis at x=-2.
Hope this helps! :)
6 0
4 years ago
The commissioner randomly selects 2 teams from all 30 MLB teams and has everyone on that team drug tested. Systematic stratified
madreJ [45]

Answer:

This is example of cluster sampling.

Step-by-step explanation:

The commissioner randomly selects 2 teams from all 30 MLB teams and has everyone on that team drug tested.

This is an example of Cluster sampling.

Cluster sampling is a sampling method, where population is divided into clusters and then each sample from a selected cluster is sampled.

Yes this is also a random sample.

6 0
3 years ago
The net of a triangular prism is shown. Use the ruler provided to measure the dimensions of the net to the nearest half centimet
Black_prince [1.1K]

If the area of the triangle and the rectangle is 4 square cm and 2 square cm. Then the total surface area of the triangular prism will be 14 square cm.

<h3>What is a triangular prism?</h3>

A closed solid with two parallel triangular bases joined by a rectangle surface is known as a triangular prism.

The total surface area of the triangular prism will be

Total surface area = 2(area of the triangle) + 3(area of the rectangle)

The area of the rectangle will be

Rectangle area = 2 x 1

Rectangle area = 2 square cm

The area of the triangle will be

Triangle area = 0.5 x 4 x 2

Triangle area = 4 square cm

Then the total surface area will be

Total surface area = 2 x 4 + 3 x 2

Total surface area = 8 + 6

Total surface area = 14 square cm

More about the triangular prism link is given below.

brainly.com/question/24046619

#SPJ1

5 0
2 years ago
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