Thirty is 12% of what number ?

Answers

Answer 1

Answer: 30 is 12% of x.

$12\% x=30 \n(12)/(100)x=30 \n(3)/(25)x=30 \nx=30 * (25)/(3) \nx=10 * 25 \nx=250$

30 is 12% of 250.

Answer 2

Answer: $0.12x=30 \n /0.12\ \ /0.12 \n \boxed{x=250}$

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Use the grid to draw three different rectangles so that each has an area of 12 square units and they all have different widths what are the dimensions of the rectangle (please hurry!)

Answers

For the question above asking what are the dimensions of the rectangle
Are you asking what numbers should you multiply to 12?
1 and 12, 2 and 6 , 3 and 4
A rectangle with each of these dimensions will have an area of 12.I hope my answer helped you.

Answer and Step-by-step explanation:

1 and 12

2 and 6

3 and 4

A rectangle with each of these dimensions will have an area of 12, your welcome :)

Write the missing base.

Answers

the base would be 1/3
since 1/3 x 1/3 is 1/9

You randomly draw a marble from a bag of marbles that contains 8 blue marbles, 5 green marbles, and 8 red marbles.

Answers

Answer:

$0.76$

Step-by-step explanation:

Probability = Number of favorable outcomes / Number of possible outcomes

There are $16$ favorable outcomes ( the $8+8=16$ marables that are either blue or red).

There are $21$ possible outcomes (the $8+5+8=21$ total marables).

P (draw a blue or red marable) $= (16)/(21)$ ≈ $0.76$

Can u help me with the rest??

Answers

a) x/100 = 15/90x = 100(15/90)
x = (10/9)15

x = 10*(5/3)
x = 50/3
x = 16.667
x = 16% or 2/3

b)56/x=100/10(56/x)*x=(100/10)*x
56=10*x
56/10=x
5.6=x
x=5.6

c)180/x=100/90
(180/x)*x=(100/90)*x
180=1.11111111111*x
180/1.11111111111=x
162=x
x=162

d)300/x=100/25
(300/x)*x=(100/25)*x
300=4*x
300/4=x
75=x
x=75

f)20/x=100/55
(20/x)*x=(100/55)*20
x=36.36
x=36

I don't know how to do e), sorry.

HELP HELP HELP HELP HELP HELP HELP HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Most mornings, Kevin stops for coffee on the way to work. He spends $27 each month on coffee. In addition, he likes to occasionally go out to lunch with his coworkers. This month, he is trying not to spend more than $87 on both coffee and lunch out. If he spends an average of $6 each time he eats lunch out, and x represents the number of times he eats out, which of the inequalities represents this situation?
A.
$6x + $27 < $87
B.
$6x + $27 > $87
C.
$27x + $6 < $87
D.
$27x + $6 > $87

Answers

Answer: A. $6x + $27 < $87

Step-by-step explanation:

Your question says “...x represents the number of times he eats out”, when he eats out its $6, so that means obviously that the x would be by the 6 and the less then symbol would be facing 87 cause your wont to spend less then that amout.

Have a good day and stay safe :)

Answer:A. $6x + $27 < $87

Step-by-step explanation:

What is the slope of the line y= 7x - 8?