I need help please ASAP

Mathematics

1 answer:

Vlad [161]2 years ago

5 0

Answer: C

Step-by-step explanation:

120 plus 80 equals 200.

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A biker’s speed is 1.5 times faster than a walker’s speed. They start moving simultaneously in the same direction from the same

worty [1.4K]

Let the walker’s speed be W, then the biker’s is W+1.5W=2.5W. Difference in speed is 1.5W. Distance=speed times time, so 12.5=1.5W×1.5=2.25W, and W=12.5/2.25=1250/225=50/9=5.56 mph. The biker’s speed is 2.5W=125/9=13.89 mph to 2 Dec places.
(Note: “1.5 times faster than a walker’s speed” could not reasonably mean the biker’s speed=1.5W because this would give W=16.67 mph, which is very fast for a runner, let alone a walker (!), and a biker’s speed of 25mph.)

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3 years ago

Read 2 more answers

A triangle has a height of 11.6 centimeters and an area of 54.52 square centimeters. What is its length?

DanielleElmas [232]

Answer:

9.4

Step-by-step explanation:

6 0

2 years ago

Janey paints a block of wood with gold glitter for an art project. The block measures 8 inches by 10 inches by 20 inches. After

lions [1.4K]

Answer:

1. Square, 10in x 8in, 160in^2

2. Each surface has an area of 80in^2

Step-by-step explanation:

1. Rectangle is the shape of each cut surface which is 10in by 8 in. Since the block was already painted with glitter, she needs to paint both sides of the cut surface only, 2*8in * 10in = 160in^2.

2. Each cut will have a surface area of 10in * 8in = 80in^2

Please leave a like if this is the answer you were looking for

7 0

3 years ago

Volume of a sphere with a diameter of 8 meters? Use 3.14 for pi.

kvasek [131]

Answer: " 267.95 m³ " .
______________________________________________________
Explanation:
________________________________________________________

V = (4/3) * $\pi$ * r³ ;

Given: diameter, "d" = "8 m" ;

radius, "r" = 8 m / 2 = 4 m "

V = (4/3) * $\pi$ * r³

V = (4/3) * $\pi$ *(4m)³

V = (4/3) * (3.14) * 4³ * m³ ;

V = (4/3) * (3.14) * (4*4*4) * m³ ;

V = (4/3) * (3.14) * (64) * m³ ;

V = 267.9466666666666667 m³ ;

round to: " 267.95 m³ " .
_________________________________________________________

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3 years ago

The number that the arrow is pointing to on this scale

kvasek [131]

Answer:

The answer is 1.6.

Hope this answers your question!

6 0

2 years ago