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Slav-nsk [51]
3 years ago
12

What percent of 3000 is 18??

Mathematics
1 answer:
77julia77 [94]3 years ago
5 0
To solve this problem you have to set up a proportion. To form one side of the proportion you use "is over of" meaning what number represented by is, in this case 18, is placed over the number represented by of, 3000. \frac{18}{3000} Since you are finding the percent of something, youre x value is placed above "100" because percent values are most commonly out of 100%. \frac{x}{100} 
So now your proportion will look like \frac{18}{3000}\frac{x}{100} To solve the proportion you cross multiply and divide. So you multiply 100 and 18 since they are crossed from each other, then divide 1800 by 3000. The answer is .6. 18 is .6% of 3000. 
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Three Step Linear Equations<br><br> Solve for x<br> 8x+5=-6x+3
tensa zangetsu [6.8K]

Answer:

x = -1/7   or  -0.14285 - in decimal form

Step-by-step explanation:

8x + 5 = -6x + 3

8x + 6x = 3 - 5       { change side }

14x = -2                  { basic addition and subtraction }

x = -2/14                 { changing sides }

x = -1/7                    { simplified }

8 0
2 years ago
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If three times a number is increased by 24, the result is 16 less than seven
Marta_Voda [28]

Answer:

3X+24=7X-4

3X-7X=-4-24

-4X=-28

X=-28/-4

X=7 ANS.

PROOF:

3*7+24=7*7-4

21+24=49-4

45=45

Step-by-step explanation:

6 0
3 years ago
Given g(x)=-x-2g(x)=−x−2, find g(0)g(0).
MaRussiya [10]

Answer:

g(0) = -2

Step-by-step explanation:

Given - g(x) = -x - 2

To find - g(0)

Proof -

We have given the function ,

g(x) = -x - 2

For finding the value of g(0), we just have to put x = 0 in g(x),

We get

g(0) = -0 - 2 = -2

⇒g(0) = -2

3 0
3 years ago
Need help with number 3 inequalities with variables on both sides
Volgvan

Answer:

x ≤ 2

Step-by-step explanation:

We are given the inequality:

\displaystyle{2x-3 \leq \dfrac{x}{2}}

First, get rid of the denominator by multiplying both sides by 2:

\displaystyle{2x\cdot 2-3\cdot 2 \leq \dfrac{x}{2}\cdot 2}\\\\\displaystyle{4x-6 \leq x}

Add both sides by 6 then subtract both sides by x:

\displaystyle{4x-6+6 \leq x+6}\\\\\displaystyle{4x \leq x+6}\\\\\displaystyle{4x-x \leq x+6-x}\\\\\displaystyle{4x-x \leq 6}\\\\\displaystyle{3x \leq 6}

Then divide both sides by 3:

\displaystyle{\dfrac{3x}{3} \leq \dfrac{6}{3}}\\\\\displaystyle{x \leq 2}

Therefore, the answer is x ≤ 2

5 0
2 years ago
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Which means "a number n increased by 6.2"?
hichkok12 [17]

Answer:

n + 6.2

Step-by-step explanation:

Increased here means addition, addition of 6.2 with the number n.

8 0
3 years ago
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