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tamaranim1 [39]
3 years ago
8

Find the measure of the missing angle :D

Mathematics
2 answers:
Ahat [919]3 years ago
8 0

Answer:

48

Step-by-step explanation:

42 + 90 + a = 180

132 + a = 180

a = 180 - 132

a = 48

the degree of a line is 180 so you would just have to the degrees that you already know in order to find the missing ones

Molodets [167]3 years ago
6 0

Answer:

A = 48

Step-by-step explanation:

Hello!

42 + 90 + a = 180

180 - 42 - 90 = 48

So 48 is A

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Tasya [4]

Answer:

99

Step-by-step explanation:

4 0
3 years ago
Before polishing, a steel plate was 2.342 inches thick. After polishing, it was 2.087 inches thick. How much was removed in poli
myrzilka [38]

Thickness of the plate before polishing = 2.342
Thickness of the plate after polishing. = 2.087
How much was removed = 2.342- 2.087 = 0.255
Hence , the answer 0.255 which is option B

5 0
3 years ago
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brent counted 10 red cards, 10 black cards and 20 blue cards. what is the ratio of red cards to other cards
Ber [7]
Red Cards = 10
Other Cards (Black + Blue) = 10+20 = 30

So, the ratio would be: 10/30 = 1/3

So, your final answer is 1/3

Hope this helps!
4 0
4 years ago
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klio [65]

Answer:

756.748

Step-by-step explanation:

5 0
3 years ago
What’s the mean of the data set 17,24,26,13
igor_vitrenko [27]

Answer:

20

Step-by-step explanation:

To find the mean, add up all the numbers in the data set, and then divide by the number of terms in the data set

<em>Add </em>

Add up the numbers in the data set

17+24+26+13

80

<em>Divide </em>

Divide by the number of terms in the data set

In this case, there are 4 terms (17, 24, 26, 13)

80/4=20

The mean of the data set is 20

5 0
3 years ago
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