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2 years ago

I need help with 53 × 1.2 ≈ And 2.1 × 82 ≈ _

Mathematics

1 answer:

Mrac [35]2 years ago

3 0

53x1.2=63.6 and 2.1x82=98.4

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A cosmetics company decides to compare its new nail polish product, Bella, with three other nail polish brands: Primrose, Shine,

raketka [301]

Answer=B
The explanatory variable is another term for the independent variable. The independent variable is the 'thing' that YOU decide to change/manipulate in an experiment. The type of nail polish given was the independent variable for this experiment.

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3 years ago

What is half of 7 5/8 and 5 3/8

meriva

Answer:

6.5

Step-by-step explanation:

7 5/8 + 5 3/8= 13

13/2=6.5

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2 years ago

A standard piece of paper is 0.05 mm thick. Let's imagine taking a piece of paper and folding the paper in half multiple times.

tatyana61 [14]

Answer:

(a) $g(n)=0.05\cdot 2^n$

(b) $g^{-1}(n)=\log_{2}20g(n)$

Step-by-step explanation:

Part A

The paper's thickness = 0.05mm

When the paper is folded, its width doubles (increases by 100%).

The thickness of the paper grows exponentially and can be modeled by the function:

$g(n)=0.05(1+100\%)^n\\\\g(n)=0.05\cdot 2^n$

Part B

$g(n)=0.05\cdot 2^n\\2^n=\dfrac{g(n)}{0.05}\\ 2^n=20g(n)\\$Changing to logarithm form, we have:\\\log_{2}20g(n)=n\\$Therefore:\\g^{-1}(n)=\log_{2}20g(n)$

Part C

If the thickness of the paper, g(n)=384,472,300,000 mm

Then:

$g^{-1}(n)=\log_{2}20g(n)\\g^{-1}(n)=\log_{2}20\times 384,472,300,000\\=\dfrac{\log 20\times 384,472,300,000}{\log 2} \\g^{-1}(n)=42.8 \approx 43\\n=43$

You must fold the paper 43 times to make the folded paper have a thickness that is the same as the distance from the earth to the moon.

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2 years ago

~PLEASE HELP ASAP OFFERING 10 POINTS~

Marina CMI [18]

T = c + cb
t - c = cb
(t - c)/c = b
b = (t - c)/c

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3 years ago

A man is standing on top of a 400 ft. tall building. He sees two people approaching the building along a straight road. He sees

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Answer:

Draw a diagram. Then use tan(x) to find the remainder height of the taller building.

Step-by-step explanation:

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2 years ago