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3 years ago

Why is 12 a composite number

Mathematics

2 answers:

Dennis_Churaev [7]3 years ago

7 0

A composite number has more than 2 factorsfactors of 12 are:1x12, 2x6 3x4

Gwar [14]3 years ago

5 0

Because it's a positive number that can be gained by multiplying two smaller positive numbers.

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How much does 4 5/7 kg of candy cost if 5/6 kg costs $7.50

Aliun [14]

Answer:

It costs $42.43

Step-by-step explanation:

Lets explain how to solve the problem

- The cost of $\frac{5}{6}$ kilogram of candy is $7.5

- We need to find the cost of $4\frac{5}{7}$ kilogram

We can use the ratio to find the answer

======= Dollar : Kilogram

======= 7.5 : $\frac{5}{6}$

======= c : $4\frac{5}{7}$

By using cross multiplication

∴ c × $\frac{5}{6}$ = 7.5 × $4\frac{5}{7}$

∵ $4\frac{5}{7}$ = $\frac{4*7+5}{7}$

∴ $4\frac{5}{7}$ = $\frac{33}{7}$

∴ c × $\frac{5}{6}$ = 7.5 × $\frac{33}{7}$

∴ c × $\frac{5}{6}$ = $\frac{495}{14}$

Divide both sides by $\frac{5}{6}$

∴ c = $\frac{495}{14}$ ÷ $\frac{5}{6}$

Change the division sign to multiplication sign and reciprocal the

fraction after the division sign

∴ c = $\frac{495}{14}$ × $\frac{6}{5}$

∴ c = $\frac{297}{7}$ = 42.43 dollars

∵ c represents the cost of $4\frac{5}{7}$ kg

∴ It costs $42.43

7 0

4 years ago

If the cube is divided into two equal parts by a plane parallel to the face defined by vertices 2, 3, 6, and 7, what will be the

notsponge [240]

The area of the cross-section is 169 sq. cm.

That is the correct answer to this problem

5 0

3 years ago

Help meeeeeeeeeeeeee pleaseeeeeeeeeeeeeeeeeeeeeeeeee

Sati [7]

Answer:

Step-by-step explanation:

8 0

1 year ago

Find length,width and area plus bonus please show work

stira [4]

A square with the same perimeter as a rectangle will have larger area.

However, 42 is not divisible by 4, so we can do 10 by 11.

Length = 11, Width = 10, Area = 110

42 / 4 = 10.5

Length and Width = 10.5, Area = 110.25

3 0

3 years ago

Find the balance in the account after the given period.

Elina [12.6K]

FW = PW(1+i)^N
= $6900(1+0.039)^1

solve for FW
(sorry don't have a calculator on me rn)

7 0

3 years ago