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3 years ago

Will give brainliest to however gets it right

Mathematics

2 answers:

olganol [36]3 years ago

5 0

Answer:

Step-by-step explanation:

since they're opposite from each other theyre equal

basically 84=3x

84/3 = 28

so x=28

son4ous [18]3 years ago

4 0

Answer:

x=28

Step-by-step explanation:

since that is a verticle angle

3x=84

divide 3 on both sides

x=28

Hope this help!!!

Have a good day!!!!!

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4/10 times (7/8+9/4) 5/7

vlada-n [284]

Answer: simplified down to 25/28 or 0.89 / / 0.9 rounded up

3 0

3 years ago

Suppose that 5 out of 13 people are to be chosen to go on a mission trip. In how many ways can these 5 be chosen if the order in

algol [13]

5 People can be chosen in 1287 ways if the order in which they are chosen is not important.

Step-by-step explanation:

Given:

Total number of students= 13

Number of Students to be selected= 5

To Find :

The number of ways in which the 5 people can be selected=?

Solution:

Let us use the permutation and combination to solve this problem

$nCr=\frac{(n)!}{(n-r)!(r)!}$

So here , n =13 and r=5 ,

So after putting the value of n and r , the equation will be

$13C_5=\frac{(13)!}{(13-5)!(5)!}$

$13C_5=\frac{(13 \times12 \times11 \times10 \times9 \times8\times7 \times6 \times5 \times4 \times3 \times2 \times1)}{(8 \times7 \times6 \times5 \times4 \times3 \times2 \times1)(5 \times4 \times3 \times2 \times1)}$

$13C_5=\frac{(13 \times12 \times11 \times10 \times9 )}{((5 \times4 \times3 \times2 \times1)}$

$13C_5=\frac{154440}{120}$

$13C_5= 1287$

8 0

3 years ago

What is 2.95 expressed as a fraction?

Kaylis [27]

B or c because its lower than the denominator

8 0

3 years ago

Read 2 more answers

I need help with this someone explain please fractions math

Nookie1986 [14]

[deleted due to wrong answer]

5 0

3 years ago

If jenny has 1,490÷6 how will you solve it.

puteri [66]

It's 248.3333 (but with the 3s repeating)

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3 years ago