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Sedaia [141]
3 years ago
7

Moment = Force x distance (M=F* d)

Mathematics
1 answer:
Alexandra [31]3 years ago
7 0

Step-by-step explanation:

a)2×30=60J

b) 1.25×0.28 = 0.35J

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Kelsey is putting on sunscreen. She uses 3 ml to cover 45cm to the power of 2 of her skin. She want to know how many milliliters
Artemon [7]

Answer: She would require 16 ml cover 240cm^2 of her skin

Step-by-step explanation:

Let m represent the milliliters of sunscreen required to cover her skin.

Let a represent the area of her skin that was covered. She assumes the the relationship between milliliters of sunscreen and the area is proportional. Introducing the constant of variation, k, the expression becomes

m = ka

She uses 3 ml to cover 45cm^2 of her skin. Therefore,

3 = k × 45

k = 3/45 = 1/15

The expression becomes

m = a/15

The milliliters of sunscreen that Kelsey needs to cover 240cm to the power of 2 of her skin would be

m = 240/15

m = 16 ml

4 0
3 years ago
Check that x=2 and y=5 is a solution of both equations below:<br> X+2y=12<br> 3x+6y=36 *
melamori03 [73]

Answer:

yes

Step-by-step explanation:

Substitute x = 2 and y = 5 into the left side of the equations and if equal to the right side then they are a solution.

x + 2y = 2 + 2(5) = 2 + 10 = 12 ← True

3x + 6y = 3(2) + 6(5) = 6 + 30 = 36 ← True

Thus x = 2, y = 5 is a solution to both equations

7 0
3 years ago
Read 2 more answers
20 gallons to 0.75 gallons express in simplest form
natta225 [31]

20 : 0.75 = 40 : 1.5 = 80 : 3

7 0
3 years ago
Three dogs are sitting in a line. Rocky is not last. Coco is in front of the tallest dog. Marley is sitting directly behind Rock
Pachacha [2.7K]

Answer:

The correct answer is down below:

Step-by-step explanation:

Coco is the first dog in line; followed by Rocky who is in the middle from Marley. And Marley is the last dog in line. <em>(use the context clues to find the answer of your question).</em>

1. Coco

2. Rocky

3. Marley

4 0
3 years ago
What is the ratio of 267?
Dmitry [639]
The answer is 133.5 I got this by dividing 267 by 2
5 0
2 years ago
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