MATHEMATICS HIGH SCHOOL

THERE ARE A NUMBER of students SITTING IN Acircle. They ARE EVENly spaced and the 7th
STUDENT IS SEATED directly ACROSS FROM THE
18th student
How many students are there altogether

Answers

Answer 1
Answer:

Answer:

7x18=x

solve for x , X= 127

answer = there are 127 students all together

hope this helpes

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Hey guys I'm pretty sure I got the first two questions but if I didn't can you help me and I need help with the last two questions.
-\dfrac{1}{6} \times \left(-\dfrac{9}{7}\right)− 6 1 ​ ×(− 7 9 ​ )minus, start fraction, 1, divided by, 6, end fraction, times, left parenthesis, minus, start fraction, 9, divided by, 7, end fraction, right parenthesis
A printing company uses the formula C=0.5x+10 to find the cost of printing x business cards which equation correctly solves the formula for x?

Which of the following sets represents M∪N?{2, 5, 8}
{4, 7}
{3, 4, 6, 7, 9}
{3, 6, 9}

Answers

Answer : {3, 4, 6, 7, 9}

To find the set that represents M∪N, we take union of M  and N

For union of M and N, we consider all the numbers inside the circles M and N.

WE have 9 and 3 inside M. Also we have 6 inside N. 4 and 7 are in the intersection of M and N. So we consider 4 and 7 as well

M∪N = 9,3,6,4 and 7

{3, 4, 6, 7, 9} is the answer.
the 3rd set, you're welcome my dude

If the sale tax is 8.875, find the total cost you would pay for :A 22.50 shirt
A 6,500 car
A house for 750,000

Answers

8.875% = 0.08875

A 22.50 shirt would cost after sales tax:
22.5 * 0.08875 = \boxed{24.50}

A 6,500 car would cost after sales tax:
6,500 * 0.08875 = \boxed{7076.88}

A house for 750,000 would cost after sales tax:
750,000 * 0.08875 = \boxed{816,562.50}

An automobile designer is considering three body designs, five hood designs, and three fender designs. How many models would be required to show all possible ways of combining the designs?45
42
11

Answers

The right answer for the question that is being asked and shown above is that: "42." An automobile designer is considering three body designs, five hood designs, and three fender designs. There are 42 models would be required to show all possible ways of combining the designs

I'm pretty sure its 45

Berto has $12 to put gas in his car. If gas costs $3.75 per gallon, which ordered pair on the graph of the line relating number of gallons of gas, x, to the total cost of the gas, y, includes the greatest amount of gas Berto can buy?

Answers

The amount of gas Berto can buy with $12 = 12/3.75 = 3.2 gallons.

Therefore the required ordered pair is (3.2, 12)
If gas costs $3.75 per gallon and Berto has $12, then he can purchase 12/3.75 gallons. This is approximately 3.2 gallons. So the coordinate on this line would be (3.2, 12). I hope that this is the answer that you were looking for and it has helped you.

Please help me? -4(7+2x)=-7x-33

Answers

Answer:x=5

Step-by-step explanation:

First we do the parenthesis

-4(7+2x)=-7x-33

To get

-28+-8x=7x+-33

and

-8x-28=-7x-33

Then we Add 7x to both sides.

-8x-28+7x=-7-33+7x

-x-28=-33

Then we Add 28 to both sides.

-x-28+28=-33+28

-x=-5

Lastly Divide both sides by -1.

-x/-1=-5/-1

X=5
answer is 5x

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5/9 ÷ 5= please show the work

Answers

5/9 divide by 5=(5/9)/5=x
multiply both sides by 5
5/9=5x
multiply by 9/5
45/5x=9x
1=9x
divide both sides by 9
x=1/9
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