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harkovskaia [24]
3 years ago
9

one fabric costs $15.00 for two yards. Another costs $37.50 for 5 yards. Do these fabrics have the same unit cost? explain

Mathematics
1 answer:
kondaur [170]3 years ago
6 0
Yes they do becuase
$15 divided by 2 equals $7.50
Then you do 5 times $7.50 and your anwser is $37.50
They total unit cost for each is $7.50
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115>5.75x+28.75 what is x
julsineya [31]
115>5.75x+28.75
5.75x+28.75<115
5.75x<115-28.75
5.75x<86.25
x<86.25/5.75
x<15       or (-∞,15)

Answer: x<15      or        (-∞,15)
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Express the measurement 4.29478416 kg with 8, 6, 4, and 2 significant figures
ira [324]

Significant figures refers to digits within a number which must be included in other depict correct quantity of the figure.

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To round a number to a certain number of significant figures,

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3 0
2 years ago
Write each of the following decimals in words.
Sergeeva-Olga [200]

A. nine hundredths

B. Thirty five hundredths

C. Seven Tenths

D. Three Thousandths

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8 0
3 years ago
A sample of marble has a volume of 6 cm3 and a density of 2.76 g/cm3. What is its mass?
Drupady [299]

Answer:

16.56\ g

Step-by-step explanation:

we know that

The density is equal to the mass divided by the volume

Let

x-----> the mass of marble

y----> the volume of marble

z----> the density of marble

z=\frac{x}{y}

in this problem we have

y=6\ cm^{3}

z=2.76\ g/cm^{3}

substitute and solve for x

2.76=\frac{x}{6}

x=2.76*6=16.56\ g


3 0
3 years ago
Read 2 more answers
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