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BlackZzzverrR [31]
3 years ago
7

Tina must select and answer in any order seven of ten essay questions on a test. In how many ways can she do​ so?

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

Answer:

There are 127 Possible ways/combinations for this

Step-by-step explanation:

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Marley solve 345 -176 and then checked her work which pair of number sentences did she u
polet [3.4K]

Answer:

Could you finish the question???

Step-by-step explanation:

8 0
3 years ago
Three friends were born in consecutive years. The some of their birth years is 5982.find the year in which each person was born
posledela
A+b+c=5982
find the average of the three friends 
5982/3=1994
add and subtract one to find the average 
1994+1=1995
1994-1=1993
add all the years together to check 
1993+1994+1995=5983
3 0
3 years ago
What is the complement of the supplement of 130 degrees?​
Brut [27]

Answer:

50°

Step-by-step explanation:

180° - 130° = 50°

Mark my answer as the brainliest if this helped! :)

5 0
2 years ago
The width of a DVD case is the same as the width of a
konstantin123 [22]

Answer:

12m

Step-by-step explanation:

Given that the area of the square  DVD case is 144 square cm

Since Area = L²

144 =L²

L = √144

L = 12m

Since the width of the DVD and its case are the same, hence the with of the DVD is also 12m

5 0
3 years ago
A(x-y) + b (x-y) factorize​
Andre45 [30]

Answer:Given expression : a(x-y)-b(x-y)

Now, (x-y) is common in both terms.

First factor is (x-y).

∴a(x−y)−b(x−y)=(x−y)(a−b)

If you are reading this hope you have a wonderful day and may your dreams come true!

Good luck

4 0
3 years ago
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