MATHEMATICS MIDDLE SCHOOL

There is a circular pool in the backyard with an approximate area of 113 square inches. What is the radius?

Answers

Answer 1

Answer:

The radius of the circular pool with an approximate area of 113 inches² is 6 inches.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

The area of a circular pool is given as:

Area = π * radius²

For an area of 113 in²:

113 = π * radius²

Radius = 6 inches

The radius of the circular pool with an approximate area of 113 inches² is 6 inches.

Find out more on equation at: brainly.com/question/2972832

Answer 2

Answer: To find the Radius of a circle follow the formula-

r = √A/pi
r = √113/pi
r = 6

understand?

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It takes 12 people to pull 30 tons of goods. How many people would it take to pull 60 tons of goods?

Answers

it would take 24 because it take 12 to pull 30 add 12 to 12

24 because 30 x 2 is 60 so you would just double the amount of people.
The total amount of people pulling 60 tons is 24 people.

What is each number in scientific notation? Drag the answers into the boxes to match each number. 1,035,000,000,000 13,050,000
135,000,000,000,000

Answers

case N 1) $1,035,000,000,000$

we know that

$1,035,000,000,000=1.035*1,000,000,000,000\n=1.035*10^(12)$

therefore

the answer case N 1) is

$1.035*10^(12)$

case N 2) $13,050,000$

we know that

$13,050,000=1.305*10,000,000$

$=1.305*10^(7)$

therefore

the answer case N 2) is

$=1.305*10^(7)$

case N 3) $135,000,000,000,000$

we know that

$135,000,000,000,000=1.35*100,000,000,000,000$

$=1.35*10^(14)$

therefore

the answer case N 3) is

$=1.35*10^(14)$

13,050,000=1.3x10^7

135,000,000,000,000=1.35x10^14

a store owner is arranging clothing on racks. She has 30 sweaters, 45 shirts and 15 pairs of jeans. She wants to put the same number of items on each rack, with only one type of item on each. How many items can she put on a rack?

Answers

I think what the teacher wants is 15 which is the greatest common factor of all three numbers and the factors of 15 are
1 x 15 and 3 x 5 so the she can put one of each, or she can put 3 of each,
or she can put 5 of each , or she can put 15 of each.

The problem is unclear however because as worded she could put 2 sweaters, 2 shirts and 2 pair of jeans. I think the teacher wants all the jeans used. The number 1,3,5 and 15 will use up all of the jeans.
1 jean on 15 racks
or 3 jeans on 5 racks
or 5 jeans on 3 racks
or 15 jeans on one rack

These are the sort of ambiguous word problems 4th graders are exposed to on a daily basis. As the gentleman mentioned, the teacher expects 15, the largest common factor but 1 on each rack fits as well. It should have read “what’s the maximum number of the same item can he/she place on the racks?”

Macy has some ropes each 2 feet long. Nellie has some ropes each 3 feet long. Oscar has some ropes each 5 feet long. What is the length of each line of ropes when they are of the same length?

Answers

I think
2 feet+3 feet+5 feet= 10 feet

the value of a company's stock changes by -$2.25 each day. After how many days will the value of the stock change by -$18?

Answers

8 days. -18÷-2.25= 8

Answer:

8 days

Step-by-step explanation:

Set up a fraction. Let "x" be the variable.

$(-2.25)/(1)=-(18)/(x)$

Step 1: Apply fraction cross multiply

$\left(-2.25\right)x=-1\cdot \:18$

Step 2: Simplify

$-2.25x=-18$

Step 3: Divide both sides by $-2.25$

$(-2.25x)/(-2.25)=(-18)/(-2.25)$

Step 4: Simplify

$x=8$

6 sweets cost 42p altogether how much do 8 sweets cost

Answers

The best thing to do is to find the cost of one sweet, and to do this, divide 42 by 7.
42/7= 6
Therefore, one sweet costs 6p.
To find the cost of 8 sweets, you've got to multiply 6 by 8, and this gives you 54p.
Therefore, 8 sweets cost 54p
This is basically just finding unit rate and multiplying.
Hope this helps :)

42 by 7.
42/7= 6
1 sweet = 6p*8=48p

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