Find the sum 1/5+3/8

Answers

Answer 1

Answer: The answer to your question is 23/40.

Answer 2

Answer: 1/5 + 3/8

= 1/5 * 1 + 3/8 * 1

= 1/5 * 8/8 + 3/8 * 5/5

= 8/40 + 15/40

= 23/40

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GIVING BRAINIEST
Explain how u got your answer
Pick from 1. 2. And 3.

Answers

Answer:

#2 is not a function

Step-by-step explanation:

Although there can be multiple y-values attributed to a single x-value, there can only be ONE x-value(of a number) in a function, so #2 would be incorrect seeing as it uses the x-value, 2, two times.

The front of a box is a square with an area of 175 square units. What would be the best represents S, the length of the edge of the front of the box in units? Round your answer to the nearest tenth.

Answers

Answer:

13.2

Step-by-step explanation:

√175 ≈ 13.2 . . . units

The area of a square is the square of the edge length. Hence, the edge length is the square root of the area.

Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a average speed of 60 miles/hr for the remaining 30 miles of the trip if she made no stops during the trip what was susan's avg speed in miles/hr for the entire trip.(A) 35(B) 40(C) 45(D) 50(E) 55

Answers

Answer:

The correct option is B.

Step-by-step explanation:

It is given that Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a average speed of 60 miles/hr for the remaining 30 miles of the trip.

$Time=(Distance)/(Speed)$

Time taken by Susan in first 30 miles is

$T_1=(30)/(30)=1$

Time taken by Susan in remaining 30 miles is

$T_2=(30)/(60)=0.5$

Total distance covered by Susan is

$D=30+30=60$

Total time taken by susan to complete 60 miles trip is

$T=T_1+T_2$

$T=1+0.5=1.5$

Susan's avg speed in miles/hr for the entire trip is

$S=(60)/(1.5)=40$

The average speed of susan for entire trip is 40. Therefore the correct option is B.

If h = 15 units and r = 5 units, what is the volume of the cone

Answers

V = (1/3)pi*r^2*h that's the formula to used to get the volume of the cone

In HIJ∆ determine the measure of H∠ to the nearest degree.

Answers

Use the law of sines. The sine of the given angle divided by its opposite side is equal to the sine of that unknown angle at the top left divided by the other given side (it's too small for me to read the diagram you provided). And remember, once you have two of the angles, start with 180, subtract the two angles that you do have and you will get the third angle.

Express 8 as a product of prime factors in index form

Answers

Answer:

8 = 2^3

Step-by-step explanation:

8 = 4*2

4 is not a prime number so we break 4 into 2*2 and replace it

8 = 2*2*2

All of these are prime

We see there are three 2's multiplied together, that means 2 is the base and 3 is the exponent

8 = 2^3

2^3 is index form

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