MATHEMATICS MIDDLE SCHOOL

A circle has a circumference of 100cm. what is the radius of the circle?

Answers

Answer 1

Answer:

Step-by-step explanation:

The radius is the distance from the middle

Answer 2

Answer: the radius would be 50

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Find the unique value of y =3x-2

Answers

y=3x-2

Change them side

3x-2=y

Add 2 to both sides

3x-2+2=y+2

3x=y+2

Divide both sides by 3 so we can find the x value

3x/3= y+2/3

x= 1/3 y + 2/3

I hope that's help:0

A pack of paper costs $3.75 including tax. Mr. Cooper wants to purchase packs of paper for his class and has a $20 budget. Write an inequality to solve for the number of packs of paper Mr. Cooper can purchase with his budget.

Answers

Answer:

$3.75x\leq 20$

5 packs of paper.

Step-by-step explanation:

Let x be the number of packs of paper.

We have been given that a pack of paper costs $3.75 including tax. The price of x paper packs would be $3.75x$ .

Since Mr. Cooper has a $20 budget, so the cost of x paper pack should be lees than or equal to 20.

We can represent this information in an inequality as:

$3.75x\leq 20$

$(3.75x)/(3.75)\leq (20)/(3.75)$

$x\leq 5.333$

Since we can purchase whole number of paper packs, therefore, Mr. Cooper can purchase 5 packs of paper with his budget.

3.75p<=20

divide by 3.75

p < 5 1/3

he can purchase 5 packs of paper

A ticket agency charges a 9.5% fee on all tickets sold. if a ticket costs $40, what is the fee?

Answers

to find a percent of money taken from the $40 than you have to multiply it by the percent you are trying to find 9.5%(.095)
40*.095=fee
40*.095=3.8
so the agency charges $3.80 for one $40 ticket

4.22 you just divide 40 by 9.5. I think...

Kieras dance class starts at 4:30 pm and ends at 6:15 pm. How long is get dance class?

Answers

If Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. then how long is it? Lets find out. The way I solved it would be to count by hours. 4:30 to 5:30 is one hour. 5:30 to 6:30 is 2 hours. But 6:30 is too much time. So now you take away the required amount to make it 6:15. You have to take away 15 minutes. So 2 hours minus 15 equals 1 hour and 45 minutes.
Kiera's dance class was 1 hour and 45 minutes long.

Answer: 1 $(1)/(2)$ hour