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pochemuha
3 years ago
5

Find the value of x in each case

Mathematics
1 answer:
yanalaym [24]3 years ago
8 0

Answer:

x = 69

Step-by-step explanation:

m<M = x

From the triangle we know that

m<M + m<MNQ + m<MQN = 180

From the parallel lines we know that

m<MNQ = m<UQN = x

x + x + 42 = 180

2x + 42 = 180

2x = 138

x = 69

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A​ quality-control inspector examined 100 light bulbs and found 7 defective. At this​ rate, how many defective bulbs would there
anastassius [24]

Answer: 175 defective bulbs.

Step-by-step explanation:

1. Keeping on mind that the inspector examined 100 light bulbs and found 7 defective, you can calculate the number of defective bulbs that there would be in a lot of 2500 ​bulbs as following:

- Let's call the number of defective bulbs that there would be in a lot of 2500 ​bulbs x.

- Then, you have:

\frac{100}{7}=\frac{2500}{x}

- Solve for x:

 x=\frac{2500*7}{100}

x=175

2. Then, there would be 175 defective bulbs  in a lot of 2500 ​bulbs.


4 0
3 years ago
Plz Help!
astra-53 [7]

Answer:

28

Step-by-step explanation:

2×8. scayzd hduebdu uduenì jd

7 0
2 years ago
Read 2 more answers
The histogram represents the number of gallons of gasoline that drivers purchase weekly. Which bar represents the number of gall
padilas [110]

Answer:

option B) Bar 2

Step-by-step explanation:

The histogram represent the number of gallons of gasoline on x axis.

The number of drivers purchase weekly on y axis.

In this histogram 5 Bars are shown.

First bar represents = 5 drivers

Second bar represents = 6 drivers

Third bar represents = 1 driver

Fourth bar represents = 3 drivers

Fifth bar represents = = 4 drivers

So the second bar represents the the number of gallons most drivers purchased during the week.

Therefore, option B) Bar 2 is the correct answer.

7 0
3 years ago
Curtis threw 18 darts at a dartboard. 48% of his darts hit the bull’s-eye. How many darts did not hit the bull’s-eye?
Pepsi [2]
Change 48% to 0.48
0.48 x 18 = 8.64
rounded would be 9
4 0
2 years ago
I need the answer please
Yuri [45]

Answer:

D - All rational numbers are integers.

Step-by-step explanation:

This is because integers is a subcategory of rational numbers, so there are other rational numbers that aren't integers.

3 0
3 years ago
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