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solong [7]
3 years ago
14

marrisa got an 85% on her math quiz. she had 34 questions correct .how many questions were on the quiz

Mathematics
2 answers:
xeze [42]3 years ago
6 0

Answer:

40

Step-by-step explanation

34 divided by 85 times 100 equals 40

plz mark me as brainliest :)

Scilla [17]3 years ago
5 0

Answer:

40

Step-by-step explanation:

Let the number of questions be A.

Marissa got 85% on her math quiz and got 34 questions correct.

This Means 85% of the number of math questions =84

Therefore

85% of A = 34

This is

85/100 x A = 34

0.85 x A = 34

Divide both sides by 0.85

0.85/0.85 x A = 34/0.85

A = 40

The number of questions on the quiz was 40

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A 40 inch board is to be cut into three pieces so that the second price is 4times as long as the first piece and the third piece
Anastasy [175]

Answer:

Step-by-step explanation:

Givens

Let the first piece be x

Let the second piece 4x

Let the third piece = 5x

Total length = 40 inches.

Equation

x + 4x + 5x = 40                Combine

Solution

10x = 40                             Divide by 10

10x/10 = 40/10        

x = 4

Answer

The smallest piece (x) = 4

The middle piece 4x  = 4*4 = 16

The largest piece 5x= 5 * 4 = 20

3 0
1 year ago
Evaluate.<br> 3^2 + 12 ÷ (6 - 3) x 8
valentinak56 [21]

Answer:

38 is your answer :)

Step-by-step explanation:

So what you want to do is P.E.M.D.A.S (parenthesis, exponets, multiplication/division, addition/subtraction) * whatever comes first always do it in order*

3^2+12/ (6-3) x 8

6-3 = 3

3^2+12/(3)*8

3^2+4*8

6+4*8 =32 and 32+6 = 38

7 0
2 years ago
Read 2 more answers
Help me please!!!<br><br><br>..<br>​
12345 [234]

Step-by-step explanation:

HERE,

as,it is a right angle triangle,

x=\tt{\sqrt{8^2+6^2}   }

\tt{ x=\sqrt{64+36}  }

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4 0
3 years ago
Solve for x. *<br> 52°<br> (6x + 2)°
pickupchik [31]

Answer:

x=21

Step-by-step explanation:

The two angles form a straight line so they add to 180

6x+2+52 = 180

6x+54= 180

Subtract 54 from each side

6x+54-54 = 180-54

6x= 126

Divide by 6

6x/6 =126/6

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4 0
3 years ago
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Barbara’s orange weighs 5 ounces. She ate 1/3 of the orange. How many ounces of the orange did Barbara eat?
Ede4ka [16]

Answer:

1.67 ounces

Step-by-step explanation:

All you have to do is take 5 and multiply that by 1/3 to get what 1/3 of 5 is. By doing that you get 5/3 which simplifies to 1.6667 repeating but you can round to 1.67 and thats your answer.

3 0
3 years ago
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