3 years ago

Write an expression for 621 less d

Mathematics

1 answer:

MaRussiya [10]3 years ago

3 0

D - 621 is the answer

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The product of 4 and one less than x is 230. Find x

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Answer:

58.5

Step-by-step explanation:

230/4=57.5

57.5+1=58.5

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3 years ago

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What is the value of the expression? 9^2÷(-3)^0

stiv31 [10]

Step 1. Simplify 9^2 to 81
81 ÷ (-3)^0
Step 2. Use Rule of Zero: x^0 = 1
81 ÷ 1
Step 3. Simplify
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3 years ago

There are 3.76 x 10 to the power of 22 atoms in 1 gram of oxygen. How many atoms are there in 600 grams of oxygen? Write your an

tatiyna

Answer:

2.256 x 10 to the power of 25

Step-by-step explanation:

There are 3.76 x 10 to the power of 22 atoms in 1 gram of oxygen

So, there are x atoms in 600 grams of oxygen

Using the ratio and proportional

So, the number of atoms = 600 * 3.76 x 10 to the power of 22 =

$= 6*10^2 * 3.76 * 10^{22}\\=6*3.76 * 10^2*10^{22}\\=22.56 * 10^{24}\\=2.256 * 10 * 10^{24}\\=2.256 * 10^{25}$

So, the answer in scientific notation as A.BCD x 10 to the power of E

Will be 2.256 x 10 to the power of 25

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2 years ago

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Aleonysh [2.5K]

Answer:

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Step-by-step explanation:

-1/3 is the slope because the line goes down 1 unit and right 3 units.

The y-intercept is 5 because that is where the line crosses the y-axis.

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Which ordered paur is a part of the equation? 3x-y=13

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(6,5), (3,-4) either one of those...

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