MATHEMATICS HIGH SCHOOL

If angle A has a measurement of 42° and is complementary to angle B, what's the measure of angle B? A. 48°
B. 42°
C. 38°
D. 138°

Answers

Answer 1
Answer: The answer to the question is A. 48 degrees. In a complimentary angle, both of the angles have to add up to 90 degrees. For this case, with 42 degrees, the complimentary would be 48 degrees as they both add up to 90 degrees in the problem presented above.
Answer 2
Answer:

Answer:

A:48

Step-by-step explanation:

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Answers

Answer:

131.086

Step-by-step explanation:

Given g(x)= -x -2, find g(1)

Answers

Your answer would be -3 :)

If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=

Answers

First set up a system of equations and solve.

4x+y=10
x+3y=8
In order to have one variable cancel out, I will multiply the top by -3.

-12x-3y=-30
x+3y=8
____________
-11x=-22
x=2

Then plug the x value into one of the original equations.

(2)+3y=8
3y=6
y=2

Now plug both into the final equation:
5(2)+8(2)/3
(10+16)/3
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8.667 is the answer or 26/3.

Answer:

13y/3 is the answer

Step-by-step explanation:

What is the formula for volume of a cylinder​

Answers

Answer:

V=πr2h

Explanation:

Hope this helps

Answer:

πr^2h

Step-by-step explanation:

it's pie multiplying square of radius and height of cylinder

Find the area of the following parallelogram

Answers

Answer:

6 cm^2

Step-by-step explanation:

The area of a parallelogram is

A = bh where b is the base and h is the height

A = 3 *2 = 6 cm^2

Tickets at the theater or $9 for adults seniors receive a discount and only have to pay $6 but capicity of the theater is 80 people. If the theater was at full capacity and made $675, then how many seniors bought tickets for the movies? And how did you get that answer

Answers

so $9 for adults and $6 for seniors

so number of adults is represented by x
number of seinors is represented by y

9x+6y=675 since every adult pays 9 and seinors pay 6

x+y=80 since adults+seinors=80

multiply x+y=80 by -6
-6x-6y=-480
add this to 9x+6y=675
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3x+0=195
divide both sides by 3
x=65
there were 65 adults

subsitute 65 for x in x+y=80
65+y=80
subtract 65 from both sides
y=15

there were 15 seinors at the event
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