15% of what number equals 12?

Answers

Answer 1

Answer: percent means parts out of 100
15%=15/100=0.15
'of' means multiply

therefor
15% of x equals 12 means
0.15 times x=12
divide both sides by 0.15
x=80

the number is 80

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I'm justing starting geometry honors, and I would like to know how to pass this class?! Is it easy or hard? HELP!!

Yeah I don’t get this

Answers

using pythagorean theorem

a^2 + b^2 = c^2

(12x)^2 + (16x)^2 = 10^2

square each term

144x^2 + 256x^2 = 100

combine like terms

400 x^2 = 100

divide by 400 on each side

x^2 = 1/4

take the square root on each side

x = 1/2

Answer: x=1/2

Simplify this expression: 13 + (–12) – (–5) = ?
A. 6
B. –6
C. –30
D. 30

Answers

13 + (-12) - (-5)

13 - 12 + 5

1 + 5

= 6.

Answer is A)

13+(-12) is the same as 13-12 which is 1

1-(-5)

two negatives make a positive so this really means
1+5 which equals 6
=A.

An odd number on a spinner with equal sized sections labeled 1-8A. a number less than 4
B. a number greater than 4
C. a multiple of 3
D. an even number

Answers

probability is
(desired outcomes)/(total possible outcomes)
total possible is 8 since 8 total spaces

A. number les than 4, there are 3 numbers (1,2,3) so
3/8 os probability

B. number greater than 4, ther are 4 (5,6,7,8), so 4/8=1/2 is probability

C. multiplule of 3, there are 2 (3,6) so 2/8=1/4 is probability

D. even number, there are 4 (2,4,6,8) so 4/8=1/2 is probability

A. 3/8
B. 1/2
C. 1/4
D. 1/2

19. Write an algebraic expression for the phrase: 6 more than the product of 8 and n.

Answers

(8*n)+6 hope it helped

An equation whose _____ are polar coordinates is called a polar equation.

Answers

Answer:

An equation whose variables are polar coordinates is called a polar equation.

Step-by-step explanation:

Polar Equation--

A polar equation is a equation that describe the relationship between r and θ, where r is the distance from the pole to a point on a curve and θ is the angle subtended by that point with respect to the x-axis.

Hence, here r,θ acts as a variable of the equation.

So, we can change any rectangular equation in terms of variable x and y into the polar equation in terms of variable r and θ by using the transformation:

x=r cosθ and y=r sinθ.

variables is the answer hope i am the brainliest i need it to get the next rank

before leaving to visit Mexico Levant traded 270 american dollars and received 3000 Mexican pesos when he returned from Mexico he had 100 pesos left how much will he recieve when he exchanges these pesos for dollars

Answers

Levant traded 270 american dollars and received 3000 Mexican pesos. This means that:
1 Mexican peso = (270 x 1) / (3000) = 0.09$

Therefore,
100 pesos will be worth 100 x 0.09 = 9$

Based on this, he will receive 9$ when exchanging 100 pesos for dollars.

can you explain the answer clearly

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