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marysya [2.9K]
3 years ago
9

If the standard volume of a

Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

6.7 %

which agrees with answer A in your list.

Step-by-step explanation:

If the standard volume is 1.5 cubic cm, and the measured volume is 1.6 cubic cm, then the difference between these two is :

1.6 - 1.5 = 0.1 cubic cm. and therefore the percentage error is given by:

0.1/1.5 = 0.066666...which corresponds to a rounding of 6.7%

Recall as well that percent error is always expressed as a positive number.

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Please assist me with this problem​
n200080 [17]

Answer:

The answer to your question is 90 dB

Step-by-step explanation:

Data

I = 10⁻³

I⁰ = 10⁻¹²

Formula

     Loudness = 10log (\frac{I}{Io})

Process

1.- To solve this problem, just substitute the values in the equation and do the operations.

2.- Substitution

     Loudness = 10 log (\frac{10^{-3}}{10^{-12}} )

3.- Simplify

      Loudness = 10log (1 x 10⁹)

      Loudness = 10(9)

      Loudness = 90

7 0
3 years ago
Rewrite<br> 4/10 : 1/25 as a unit rate.<br><br> A: 10:1<br> B: 25:4<br> C: 2:125<br> D: 100:1
Vladimir79 [104]

Answer:

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4/10 / 1/25 = 4/10 x 25/1 = 100/10 = 10.

10 can also be written as 10:1, so A is correct.

Hope this helps!

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3 years ago
Savannah had 400 chocolate chips. She used 40 chips for another dish, and mixed the rest of the chips evenly into 3 pans of brow
sweet [91]

full work: 400-40=360, 360/3=120 she used 120 chips in each pan.

hope this helps

8 0
3 years ago
Solve the system of equations by graphing.<br> X+ y = 7<br> 2x - 4y=8
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Answer:

(6,1)

Step-by-step explanation:

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3 years ago
How many solutions are there to the equation below?
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