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sergij07 [2.7K]
2 years ago
5

How do you put 3/4% ,3/25%, and 11/20% as a decimal

Mathematics
1 answer:
Ahat [919]2 years ago
4 0
First 3/4: this is actually 0.75. but the percent means we have to divide it by 100:

0.0075

3/25 is actually 0.12 (because it's equal to 12/100: i multiplied both numbers by 4)

and if it's a percent, again we "move to "move the point" or in other words divide by a 100:

0.0012 (think of dividing by 10 as of moving the coma to the left and adding zeros if there is noone to move)

the last one is equal to 55/100 (multiplied both by 5), so 11/20 % is 0.0055


I hope this was clear, let me know if you have questions!

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The score on a trivia game is obtained by subtracting the number of incorrect answers from twice the number of correct answers.
guajiro [1.7K]

Answer: the player answered 30 questions correctly.

Step-by-step explanation:

Let x represent the number of questions that the player answered correctly.

Let y represent the number of questions that the player answered incorrectly.

The number of questions that the player answered is 40. It means that

x + y = 40- - - - - - - - - - -1

The score on the trivia game is obtained by subtracting the number of incorrect answers from twice the number of correct answers. If the player obtained a score of 50, It means that

2x - y = 50

y = 2x - 50

Substituting y = 2x - 50 into equation 1, it becomes

x + 2x - 50 = 40

3x - 50 = 40

3x = 40 + 50 = 90

x = 90/3

x = 30

5 0
3 years ago
Help please, an explanation would be greatly appricatated.
Nataly_w [17]

Answer:

x = -5

Step-by-step explanation:

In both questions you want to get the x alone.

1.

-3x + (-6) = 9

First you want to add 6 to both sides so you'll be left with:

-3x = 15

Next, you want to divide both sides by -3 and you'll get:

x = -5

2.

-4x + (-12) = 8

You want to do the same thing as the first one so you'll add 12 to both sides:

-4x = 20

Then, you will divide both sides by -4 and get:

x = -5

4 0
2 years ago
Read 2 more answers
Find the slope of the line that passes through the pair of points (6, 7) and (9, 2). User: Find the slope of the line that passe
DaniilM [7]
If we have two points;
A(x₁,y₁)
B(x₂,y₂)

m=slope

m=(y₂-y₁) / (x₂-x₁)

Therefore:
(6,7)
(9,2)

m=(2-7) / (9-6)=-5/3.

Solution₁= the solpe of the line that passes through the poitns (6,7) and (9,2) is m=-5/3.

(17,9)
(5,29)

m=(29-9) / (5-17)=20/-12=-5/3

Solution ₂: the slope of the line that passes through the  parir of points (17,9) and (5,29) is m=-5/3

Therefore, both lines have the same slope.
4 0
3 years ago
A 9-kg bag of mangoes for $12
Blababa [14]
A 9-kg bag of mangoes for $12
5 0
3 years ago
I NEED HELP QUICK
MAVERICK [17]

Answer:

m∠2= 180-30=150

m∠3= 30

m∠4=30

m∠5=150

m∠6=150

m∠7=30

Step-by-step explanation:

since these are angles of parallel lines cut by a transversal the theorems of vertical, corresponding, supplementary, and complementary angles apply.

4 0
3 years ago
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