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Ad libitum [116K]
2 years ago
9

Select the correct answer. A pound is approximately 0. 45 kilogram. A person weighs 87 kilograms. What is the person’s weight, i

n pounds, when expressed to the correct number of significant figures? A. 190 lb B. 180 lb C. 52 lb D. 39 lb.
Mathematics
1 answer:
Serggg [28]2 years ago
3 0

Answer:

A. 190 lb

Step-by-step explanation:

Hope this helps

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To make lemonade, Andy adds
JulsSmile [24]

Answer:

64/3 tablespoons of sugar for 32 ounces of water

Step-by-step explanation:

In these kinds of questions it is nice to find how muc of 1 thing there is for every ONE of another.  so 8 tablespoons of sugar for 12 ouncesof water you can divide both sides by 8 or 12.

Dividing it by 8 gets 8/8 = 1 tablespoon of sugar for 12/8 = 1.5 ounces of water.

Dividing by 12 gets 8/12 = 2/3 tablespoon of sugar for 12/12 = 1 ounce of water.

Now you can take one or the other and multiply it to fit whichever you want to fit a ratio.

It asks what happens if you use 32 ounces of water, so lets use the ratio where we hae 1 ounce, then multiply everything by 32.

2/3 tablespoon of sugar for 1 ounce of water

Multiply by 32 and you get 32*(2/3) = 64/3 tablespoons of sugar for 32 ounces of water

3 0
3 years ago
What is the equation of this line in standard form
Yuri [45]

Line joining (-3, -1) and (1/2, 2)

Point point form for a line is

(c-a)(y-b) = (d-b)(x-a)

(1/2 - - 3)(y - -1) = (2 - -1)(x - -3)

(7/2)(y+1)=3(x+3)

7(y+1)=6(x+3)

7 - 6(3) = 6x - 7y

6x - 7y = -11

Answer: second choice, 6x - 7y = -11

3 0
3 years ago
How many square roots exist for the number 9?
Nookie1986 [14]
Two squares root. Because 3 * 3 = 9 and -3 * -3 = 9.
4 0
3 years ago
Read 2 more answers
I need help in math ;pmdjew2kedfheyuwikejhuwiqo
Licemer1 [7]

Answer:

30/343

Step-by-step explanation:

to find the volume of a rectangle you multiply all three fraction

5/7*3/7*2/7

5/7*3/7=15/49

15/49*2/7=30/343

30/343

5 0
3 years ago
What does the diagram at the left tell us about the two
ANEK [815]

Answer:

Its enlargement

Step-by-step explanation:

Its enlargement!

hope it helps

7 0
3 years ago
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