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MA_775_DIABLO [31]
2 years ago
9

Dan learned the mass of an electron is about 9.1×10⁻³¹ while the mass of a proton is about 1.7×10⁻²⁷. He thinks electrons have a

greater mass than protons because 9.1 is greater than 1.7; Do you agree with him? How can you use scientific notation to compare the mass of an electron and a proton? Explain your thinking.
Mathematics
1 answer:
Lyrx [107]2 years ago
4 0

Answer:so I will try.

Step-by-step explanation:but it might take a will

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Tanya [424]

Answer:

C

Step-by-step explanation:

16's square root is 4

8 0
3 years ago
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A storekeeper has two kinds of flour, one selling for 65 cents per pound, and the other selling for 95 cents per pound. How many
Murrr4er [49]

Answer:

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

Step-by-step explanation:

Let

x ----> amount of 65 cents per pound flour to use

y----> amount of 95 cents per pound flour to use

we know that

x+y=100 ----> y=100-x ----> equation A

0.65x+0.95y=0.83(100) ----> equation B

substitute equation A in equation B

0.65x+0.95(100-x)=0.83(100)

Solve for x

0.65x+95-0.95x=83

0.95-0.65x=95-83

0.30x=12

x=40\ lb

Find the value of y

y=100-40=60\ lb

therefore

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

4 0
3 years ago
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Greg drove 386 miles and used 20 gallons of gas.His car averaged how many miles per gallon?
frutty [35]
386 divided by 20 is 19.3 so Greg averaged 19.3 miles per gallon.
3 0
2 years ago
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Write an equation in slope intercept form for the line with slope 3/2 and y intercept -1
Basile [38]

Answer:

y=3/2x+-1

Step-by-step explanation:

the formula is y=mx+b

y is the total

m is the slope

x is what you're multiplying the slope by

b is the y intercept

6 0
2 years ago
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Is 69/100 and 6/10 equivalent fractions
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No. If you divide 69 by 100 you would get 0.69. If you divided 6 by 10 you would get 0.6. Therefore 69/100 and 6/10 is not equivalent.
4 0
3 years ago
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