23% of 75 is what number?

Answers

Answer 1
Answer: (23)/(100) *75=  (23)/(4) *3= (23*3)/(4)  = (69)/(4) = 17.25
Answer 2
Answer: p%=(p)/(100) ⇒ 23%=(23)/(100)

(23)/(100)\cdot75= (23)/(100/25)\cdot75/25= (23\cdot3)/(4)=\boxed { 17,25 }

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What is the measurement of N?
A) 70°
B) 71°
C) 72°
D) 73°

Answers

This whole triangle equals 180 degrees. 

180-107=73! (you must subtract 107 from 180 to find the other sides degree)

The answer is: D. 73!

HELPPPToby's piggy bank contains only 5c and 10c coins. If it contains 65 coins with a total value of $3.80, find the
number of each type of coin.
Let x and y be the number of 5c and 10c coins respectively.
Use the fact that the total number of coins is 65 to set up Equation 1.
Write the equation in the form ax + by = c, where a is positive.

Answers

I'm not sure if it only wants you to find Equation 1 or go further and solve:

x = the number of 5c coins

y = the number of 10c coins

Equation 1: the total number of coins is 65

x + y = 65

total value of $3.80

0.05x + 0.1y = 3.8

Simultaneous Equations

Make one coefficient the same

10 * (0.05x + 0.1y = 3.80 = 0.5x + y = 38

x + y = 65

0.5x + y = 38

Subtract the equations

(x + y) - (0.5x + y)= 65 - 38

(x - 0.5x) + (y - y) = 65 - 38

0.5x = 27

x = 54

Substitute it into the original equation to find y.

x + y = 65

54 + y = 56

y = 65 - 54 = 11

Substitute it into the other equation to check it's right.

0.05x + 0.1y = 3.8

0.05(54) + 0.1(65) = 3.8

x = 54 5c coins

y = 11 10c coins

If I won 12 games and this was 60% of the games played. how many total games were there? Show your work

Answers

Answer:

20 games

Step-by-step explanation:

  • 60% is the same as (3)/(5).
  1. Divide 12 games by 3 to get one fifth of the total games instead of three fifths of the total games.  One fifth of the total games is four games.
  2. Now multiply the 4 games by 5 to get five fifths of the total games, or all of them.

How do I solve this problem? 4/9 + 2 =

Answers

you first put a 1 under the 2
than you give them the same denominator(bottom number)
that is 18/9 and 4/9 
Now add them together and get 22/9
now make that into a mixed-number by dividing 22 by 9 you get 2.44

So...4/9+2 =2.44

Hope this helps


Question 1 (1 point)Select all solutions to the equation.
3x – y=10
Only (4,-2)
Only (3, 1)
Both (4, -2) and (3, 1)
Neither

Answers

The answer is Neither

What is the greatest multiple of 9 that is less then 72

Answers

8 times 9=72
7 times 9=63
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81

The greatest multiple of 9 that is less than 72 is 63.