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valentinak56 [21]
4 years ago
7

231 is 75% of what number?

Mathematics
2 answers:
Margarita [4]4 years ago
7 0
231 ------>  75
x ----------> 100

x= 100*231/75 =308
ziro4ka [17]4 years ago
4 0
231/ 0.75 = 308

hope this helped :)
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What's 1,000 to the 6th power?
mel-nik [20]
1000^6 = (10^3)^6 = 10^18 --- that is "1" and 18 "zeros" behind.
6 0
3 years ago
I dont get this. can you explain
Nikolay [14]
The rightmost column is the product shown in the middle column. From top-to-bottom, those numbers will be 83.1, 831 (given), 8310.

The middle column is a re-write of the first column and is equal to the third column. You can figure the numbers there from either direction. In the center row, you need 8.31 × ___ = 831. It should not be difficult for you to figure out the number in the blank is 100. (It is also the power of 10 between 10 in the first row and 1000 in the third row.)

The divisor in the first column is the inverse of the multiplier in the second column. 0.1 = 1/10, 0.01 = 1/100, and in the third row, 0.001 = 1/1000. The missing number in the first column is 0.001.

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The four missing numbers are 83.1, 100, 0.001, 8310. (top to bottom, left to right)
3 0
4 years ago
Identify each function that has a remainder of -3 when divided x+6
Sergeu [11.5K]

Answer:

D

Step-by-step explanation:

According to remainder theorem, you can know the remainder of these polynomials if you plug in x = -6 into them.

<em>So we will plug in -6 into x of all the polynomials ( A through D) and see which one equals -3.</em>

<em />

<em>For A:</em>

x^5 + 2x^2 - 30x + 30\\=(-6)^5 + 2(-6)^2 - 30(-6) + 30\\=-7494

For B:

x^4 + 4x^3 - 21x^2 - 53x + 12\\=(-6)^4 + 4(-6)^3 - 21(-6)^2 - 53(-6) + 12\\=6

For C:

x^3 - 10x^2 - 7\\=(-6)^3 - 10(-6)^2 - 7\\=-583

For D:

x^4 + 6x^3 - 10x - 63\\=(-6)^4 + 6(-6)^3 - 10(-6) - 63\\=-3

The only function that has a remainder of -3 when divided by x + 6 is the fourth one, answer choice D.

5 0
3 years ago
What is the perimeter of the shape below, given a = 5.66, b = 13.75, c = 6.76, d = 4.59
Marina86 [1]

Answer:

61.52

Step-by-step explanation:

5.66+ 13.75 + 6.76 + 4.59 + 5.66+ 6.76 + 13.75 +4.59

7 0
3 years ago
Read 2 more answers
What's the distance between the points (-7, 7) and (-2, -5)​
Alex787 [66]

Answer: 13

Step-by-step explanation:

The distance (d) between two points (x1,y1) and (x2,y2) is given by the formula:

= √ ((X2-X1)2+(Y2-Y1)2)

d = √(-2--7)2+(-5-7)2

d = √((-5)2+(-12)2)

d = √(25+144)

d = √169

d= 13

5 0
3 years ago
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