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3 years ago

I need help pleaseeee!!!!!

Mathematics

2 answers:

Vladimir [108]3 years ago

7 0

Answer:

i do not know

Step-by-step explanation:

9966 [12]3 years ago

5 0

<h3>Answer: B) 133</h3>

=======================================================

Explanation:

Use the remote interior angle theorem. This says to add the interior angles shown, and you'll get the exterior angle that is not adjacent to those interior angles.

68+65 = 133

So angle B is 133 degrees

------------------

A longer alternative is to let C be the missing interior angle of the triangle. Then we can find that

68+65+C = 180

C+133 = 180

C = 180-133

C = 47

Angle C is adjacent to the exterior angle B, meaning

B+C = 180

B+47 = 180

B = 180-47

B = 133

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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

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

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

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

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

$13C_5= 1287$

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4 years ago

A student says that the x-intercept of a line is (0,-10,). Is the student correct? Explain.

nataly862011 [7]

Answer:

Yes, the student is correct

Step-by-step explanation:

Given

$(0,-10)$

Required

Does it represent the x intercept

At the x intercept, the value of x is 0.

So, the function $(x,y)$ becomes $(0,y)$

$(0,-10)$ can be compared to $(0,y)$

Hence, the student is correct

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3 years ago

HELP QUICK PLEASE I BEG Grace invested $14985 in an account paying an interest rate of 9% compounded

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