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mash [69]
2 years ago
14

Help me if you can please

Mathematics
1 answer:
Luden [163]2 years ago
8 0

Answer:

the question is not visible

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Add, subtract, multiply, or divide. Round answers to money problems to the nearest cent. Show how you solved these four problems
Katena32 [7]

Answer:

The formatting on this is a little weird but if I'm reading it correctly:

1) 3.38

2) 7.29

3) 0.05

4) 0.42

7 0
3 years ago
What is the area of the triangle in the diagram?
dsp73

Answer:

The answer is the 2nd one

Step-by-step explanation:

5 0
3 years ago
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Evaluate each expression <br><br> 10 (e+7)<br> E=3
Nostrana [21]
Plug in e for 3.

10(3+7)

Use the distributive property. a(b+c)= ab+ac

10*3= 30, 10*7=70

30+70=100

The expression equals 100.

I hope this helps!
~kaikers
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3 years ago
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In a research laboratory, a scientist measures the mass of a 1-carat diamond and finds it to be 200 milligrams, measured to the
vlada-n [284]

Answer:

D=3.5\ gr/cm^3

Step-by-step explanation:

<u>Density</u>

The density of an object of mass m and volume V is given by

\displaystyle D=\frac{m}{V}

It can be expressed in common units like gr/lt, Kg/m^3, gr/cm^3 or any other combination of proper mass [M] by volume [V] units.

The data provided in the question is

m=200\ mg = 0.2\ gr

V=0.057\ cm^3

Thus, the measured density is

\displaystyle D=\frac{0.2\ gr}{0.057 \ cm^3}

\boxed{D=3.5\ gr/cm^3}

We have expressed the result with 1 decimal place because the mass was measured to the nearest hundred milligrams (or one-tenth grams). Any further decimal is senseless because that precision comes from calculations, not from measurements.

6 0
3 years ago
A car manufacturer estimates that 25% of the new cars sold in one city have defective engine
photoshop1234 [79]

Answer: 672 cars will have defective engine mounds

Step-by-step explanation: 25% of 2,688 is 672

8 0
2 years ago
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