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stellarik [79]
3 years ago
15

P{lease help me solve this. Will give brainliest. I cant figure out what to do here

Mathematics
1 answer:
bulgar [2K]3 years ago
6 0

Answer:

Step-by-step explanation:

x=81

63+36+x=180

99+x=180

99+81=180

y and z both equal 81

13+y+z=180

180-13=167

167/2 is 83.5

13+83.5+83.5

13+167

180

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In an honors math class of 25 students, 15 are boys and 10 are girls. On the final exam, 6 boys and 3 girls received a grade of
postnew [5]

Answer:

Step-by-step explanation:

b=boy

a= a on the exam

b=15

b∩a=6

b'∩a=3

b'∪a'=?

b'∪a'= b'+a'-b'∩a'

a= b∩a+b'∩a (law of total probability) = 9

a'= 25-9 = 16

b'= 25-15= 10

16+10-7=19

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7 0
3 years ago
A geology teacher takes her class on an annual field trip to analyze rock samples. They use randomized sets of
Tpy6a [65]
Second option would be the answer
8 0
2 years ago
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Find the night of the parallelogram wh hen it's :area is 2.5mm squared base is 5mm
Travka [436]

Answer:

Height is 0.5

Step-by-step explanation:

height of parallelogram = area ÷ base

= 2.5 ÷ 5 = 0.5

3 0
3 years ago
A farmer is comparing the number of eggs laid by two hens. The first hen laid 7 eggs per week for x weeks. The second hen laid 8
nikitadnepr [17]

Answer:

7x ≥ 8y

Step-by-step explanation:

The first hen laid 7 eggs per week for x weeks.  7x

The second hen laid 8 eggs per week for y weeks. 8y

The total number of eggs laid by the first hen was at least the total number of eggs laid by the second hen.

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7 0
3 years ago
The value of x is . I cant find any answers on this
GenaCL600 [577]
The angle that is next to 9x should be 180 - 9x because it is a straight angle.

Since there are 180 degrees in an angle we can add up the values to 180 and solve for x.

180- 9x + 5x + 9 + x = 180
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x = 3

Hope this helped!
5 0
3 years ago
Read 2 more answers
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