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4 years ago

Rename 1/2 and 1/5 using the least common denominator.

Mathematics

1 answer:

gladu [14]4 years ago

3 0

C multiply 1/2 by 10 and 1/5 by 2

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A box contains five ping-pong balls, each with a number written on it. One ball has a one painted on it, one ball has a four, tw

Temka [501]

Answer:

Step-by-step explanation:

Numbers on balls:

1, 4, 7, 7, 8

Try to find the sum of all numbers:

1+4+7+7+8 = 27

According to the rule of 3, any number is dividable by 3 if the sum of it's individual is divided by 3.

27 is dividable by 3, therefore any combination will result a number with a factor of three.

Prime number is the number that is only dividable by 1 and itself. Therefore, any combination using those numbers are not prime number.

So the probability is 0

4 0

3 years ago

A triangle-shaped machine part has sides of 2 1/2 inches, 3 1/4 inches, and 5 inches. The triangle's perimeter is

SOVA2 [1]

Answer:

Step-by-step explanation:

The perimeter of any shape is the distance around the edge of the shape. It is found by adding the side lengths of each side together.

Add each side length listed for the triangle part.

$P = 2\frac{1}{2} + 3\frac{1}{4} + 5 \\P = 2\frac{2}{4} + 3\frac{1}{4} + 5\\P = 10 \frac{3}{4}$

8 0

3 years ago

A manufacturing plant earned \$80$80dollar sign, 80 per man-hour of labor when it opened. Each year, the plant earns an addition

vagabundo [1.1K]

Answer:

$A(t)=80(1.05)^t$

Step-by-step explanation:

The manufacturing plant earned $80 per man-hour of labor when it opened

The plant earns an additional 5% for every additional man-hour t.

This can be modeled using the function:

$A(t)=P(1+r)^t$

where Initial Amount Earned, P=80

Rate of Increase, r=5%=0.05

Therefore, the function that models the amount earned at any time t is:

$A(t)=80(1+0.05)^t\\A(t)=80(1.05)^t$

3 0

4 years ago

2x-4=-4x+6 What value of x makes the equation true A x=5/3 B x=-5/3 C x=5 D x=-5

Rama09 [41]

Answer: 5/3

6x = 10

x=10/6

x=5/3

8 0

3 years ago

Read 2 more answers

Which expression is equivalent to the perimeter of your the rectangle shown below?

blagie [28]

2(2x + 3) + 2(x=1)
if they give you x just sub in

6 0

3 years ago