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Mariana [72]
4 years ago
6

Jason predicted that 227 students would attend the school dance. The actual number was 250. What is the percent error of Jason’s

prediction?
Mathematics
2 answers:
BartSMP [9]4 years ago
4 0
The percent error is 9.2%
VikaD [51]4 years ago
3 0

Answer:

9.2%

Step-by-step explanation:

227/250= .908

1.00-90.8=9.2

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556.80 is 13% of what price
Effectus [21]
4,283.08 is the answer.
6 0
3 years ago
8 students are painting 2 boards for a project the students want to divide the work equally.How much the board should each stude
frutty [35]
Ok well if you have 8 students and 2 boards divide the students by 2.
8/2=4
now, if each student wanted to paint part of a board and there are four students then divide 1 by 4
1/4=.25 or 1/4
so 4 students can paint one board while the other 4 students pain the other board
6 0
3 years ago
Read 2 more answers
(This is on my quaturly check Help!!!) ABC and CBD are supplementary angles. m/ABC=(5x+12) and m/CBD=(13x+24).Complete all the p
Wewaii [24]

Answer:

Step-by-step explanation:

Part (A).

Angles ABC and CBD are the supplementary angles.

Therefore, m(∠ABC) + m(∠CBD) = 180°

Now substitute the measure of each angle in the equation,

(5x + 12)° + (13x + 24)° = 180°

18x + 36 = 180

18x = 180 - 36

18x = 144

x = 8

Part (B).

m∠ABC = (5x + 12)

             = 5(8) + 12

             = 52°

m∠CBD = (13x + 24)

             = 13(8) + 24

             = 104 + 24

             = 128°

Part (C).

We can check the results by adding measures of these angles.

m∠ABC + m∠CBD = 52 + 128

                               = 180°

Therefore, both the angles are supplementary angles which is already given.

4 0
4 years ago
Solve for a.<br><br> a+(−1.3)=−4.5
Debora [2.8K]
The answer to it is -3.2 or -3 1/5
7 0
3 years ago
at a school concert the total value of tickets sold was $994. Student tickets sold for $5 and adult tickets sold for $8. The num
ValentinkaMS [17]

Answer:

42 student tickets and 98 adult tickets

Step-by-step explanation:

Let's call the number of student tickets 's' and the number of adult tickets 'a'.

Then, we can write the two equations below:

5s + 8a = 994

a = 2s + 14

Using the value of 'a' from the second equation in the first one, we have:

5s + 8*(2s + 14) = 994

5s + 16s + 112 = 994

21s = 882

s = 42

Now, finding the value of 'a', we have:

a = 2*42 + 14 = 98

6 0
4 years ago
Read 2 more answers
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