MATHEMATICS MIDDLE SCHOOL

What is the approximate circumference of a circle with a radius of 30 inches? Use π ≈ 3.14.A.
188.4 inches

B.
47.1 inches

C.
94.2 inches

D.
62.8 inches

Answers

Answer 1
Answer: The answer would be c. If you Take Pi=3.14 and multiply it by the radius=30 then u get 94.2

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Luciana says that 1/8 is greater than 1/3 is he correct explain

What comes next? 7, 16, 8, 27, 9

Answers

Answer: I think the answer is 38.  

Step-by-step explanation:

What is the least number that has 4 odd factors that are all the same? Each factor is greater than 1, and can have only 1 and itself as factors.

Answers

kejdjexhxjxhxxbsbjdbdndnd smsbsjdbdnshdbdnsjdjjdjdjdj MEOW

How do you move the decimal point to find 1% of a number

Answers

You don't. You'd just divide by 100

You have two loans, for 2 years each. The total interest for the two loans is $138. On the first loan, you pay 7.5% simple interest on a principal of $800. On the second loan, you pay 3% simple interest. What is the principal for the second loan?

Answers

Answer:

$300

Step-by-step explanation:

We are told that you have two loans, for 2 years each. The total interest for the two loans is $138. On the first loan, you pay 7.5% simple interest on a principal of $800.

Let us find the amount of interest for 1st loan.

I=Prt, where,

I = Amount of interest,

P = Principal amount,

r = Interest rate in decimal form,

t = Time

Let us convert our given rate for 1st loan in decimal form

7.5\%=(7.5)/(100)=0.075

I=\$800*0.075*2

I=\$800*0.15

I=\$120

Now let us find the amount interest for 2nd loan.

\text{Amount of interest for 2nd loan}=\$138-\$120

\text{Amount of interest for 2nd loan}=\$18

Let us convert our given rate for 2nd loan in decimal form

3\%=(3)/(100)=0.03

Upon substituting our given values for 2nd loan in interest formula we will get,

\$18=P*0.03*2

\$18=P*0.06

(\$18)/(0.06)=(P*0.06)/(0.06)

\$300=P

Therefore, the principal amount for the 2nd loan is $300.
Hi there! Interest on the first loan is 800×.075×2=120. The interest on the second loan is 138-120=18. Now, we have to use the simple interest formula. 18=P×.03×2=300. Therefore, the answer is $300.

'In which direction does the parabola that is given by the equation below open?x = 1.5(y - 7)2 + 5'

Answers

a>0 ⇒ open up
..................

Please help me!!!!!!!!!!!!!!!!!!!!!Arusha draws a rectangular prism that is made up of two connected cubes, each with side length e. The surface area of a certain rectangular prism with
edge length is represented by the formula SA= 10e ^{2} , and the volume of the prism is represented by the formula V= 2e ^{3} .

Part A- What is the surface area of the prism if its edge length is 5 cm? Show work

Part B- Arusha plans to build the prism and partially fill it with 150 cubic centimeters of sand. What fraction of the prism's volume will be filled by the sand? Show Work.

Answers

The SA would be 10e² because there are 10 squares.
The V would be 2e³ because there are 2 cubes.

Part A
If e = 5 cm, simply plug it into the SA formula we have already.
SA = 10e² = 10*5² = 10*25 = 250 cm².

Part B
If e = 5cm, simply plug it into the V formula we have already.
V = 2e³ = 2*5³ = 2*125 = 250 cm³.

Now we need to find what percent of 250 is 150?

250p = 150
p = 150/250 = 3/5 = 0.6 = 60%
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