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scoray [572]
3 years ago
5

Margie calculated that she would spend $175 on school supplies this year. She actually spent $97.50 on school supplies. What is

Margie’s percent of error?
77.3%
79.5%
44.2%
4.4%
(IF Someone can explain why that would be gr8)
Mathematics
2 answers:
Anna007 [38]3 years ago
8 0
Error=100 calculated/actual

error=100 (175-97.5) / 97.5

error=100 (77.5) / 97.5

error=7750 / 97.5

error=77500 / 975

error=3100 / 39

error=79.5% <-- Estimated
Juliette [100K]3 years ago
6 0

Yeah I agree with him I STG I tried to divide first, and then I came to Brainly to make sure. In other words, if there is another question like this, divide the first number in the problem (in this case 175) by the second number in the problem (in this case 97.50) and it did say "1.7948)". Ignore the "1." and just focus on the four numbers after that. So 79 is an answer. Then focus on the two number after (in this case the two numbers after 79) which is 48 in this case. Round this number to the nearest tenth, and there is your answer.

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HELPP MEE I will get five stars I will give brainly and I will give thanks<br><br> this is 30 points
sammy [17]

Answer:

3 galllon one is $8 because it is the only thing that you can multiply by 3 to get 24

The 4 gallon one is $9 because it is the only number that you can multiply by 4 to get 36

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the solution set of |–x| = –10?
dem82 [27]
|a| = b gives
a =b or a = -b

so,
|-x| = -10
gives
-x = -10 or -x = 10
x = 10, -10

now let us verify,
when x = 10, |-10| = +10 and it is not = -10
so, x= 10 is NOT a solution.

when x = -10, |-(-10)| = |10| = 10 and it is not = -10
so, x= -10 is NOT a solution.

hence, this equation does not have a solution.

If we know that |...| can never be negative, we can directly deduce that this equation does not have any solution.
3 0
3 years ago
Read 2 more answers
A rhombus with congruent sides is shown. Diagonals are drawn. The length of one diagonal is 6, and the length of the other diago
dezoksy [38]

Answer:

its 24

Step-by-step explanation:

i got it right on ed 2020

8 0
3 years ago
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For the rhombus, what are the slopes of the two diagonals? DO NOT introduce any new variables.
Jobisdone [24]

The slopes of the two diagonals of the rhombus are: A. b - f/a - e and -a + e/b - f.

<h3>What is the Slope of a Line Segment?</h3>

To find the slope, the formula used is: change in y/change in x.

If two lines are perpendicular to each other, their slope values will be negative reciprocals.

<h3>What is the Diagonals of a Rhombus?</h3>

In a rhombus, the two diagonals in the rhombus bisects each other at angle 90 degrees. This means that the two diagonals of a rhombus are perpendicular to each other. Therefore, the slope of the diagonals of any rhombus would be negative reciprocals.

The slope of the diagonals of the rhombus given would therefore be negative reciprocals to each other.

Given two endpoints of one of the diagonals as:

(a, b) = (x1, y1)

(e, f) = (x2, y2)

Slope (m) = change in y / change in x = b - f/a - e

The negative reciprocal of b - f/a - e is -a + e/b - f.

Therefore, the slopes of the two diagonals are: A. b - f/a - e and -a + e/b - f.

Learn more about the slopes of diagonals of a rhombus on:

brainly.com/question/3050890

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5 0
2 years ago
Identify the slope and y intercept of the line having equation y=-8x-15
Harrizon [31]

Answer: the slope would be a negative slope with -15 as the y intercept.

Step-by-step explanation:

3 0
3 years ago
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