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Marianna [84]
3 years ago
10

Question Of The Day: If Margaret took a quiz and got a 72% on it, and then she got a 80 on the second one, what is her average g

rade?
Mathematics
2 answers:
topjm [15]3 years ago
3 0
Well first you add them together so 72+80=152 and then you devide by two which would make the average grade 76. hope this helps:)
Vinil7 [7]3 years ago
3 0
Her Average Is A 76%. You Would Need To Add The 2 Percentages Together & Come Up With 152%. You Would Then Divide That 152% By 2 (Representing The 2 Previous Percentages). You Would Then End Up With 76% As An Average Percentage
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Help me please I need help!!!!
marta [7]

Answer:

Answer B (proportional)

Step-by-step explanation:

The variable y and x are related by the constant of proportionality "6" in the expression

y = 6 x

Such means that if x adopts whatever value, y is always proportional to that x-value, by the multiplicative factor 6.

y is proportional to x via the proportionality constant (it has to be always a multiplicative constant) "6"

6 0
3 years ago
Hi! May I please have some help?
max2010maxim [7]
Steps:
18 x 2
What is that?
You can also think of it as 9 x 4 if that is easier
Then whatever you got for that, add 21 then subtract 12 and add 1
6 0
3 years ago
Read 2 more answers
Point Y is in the interior of ∠XWZ. Given that WX→ and WZ→ are are opposite rays, and m∠XWY=4(m∠YWZ) is m∠YWZ?.
EleoNora [17]

Answer:

m∠YWZ=36°

Step-by-step explanation:

Opposite rays are two rays that both start from a common point and go off in exactly opposite directions. Because of this the two rays (WX and WZ) form a single straight line through the common endpoint W.

If rays WX and WZ are opposite, then angle XWZ is straight angle. A straight angle always has the measure of 180°.

Point Y is in the interior of ∠XWZ, then angles XWY and EWZ are supplementary angles (together form straight angle XWZ). Supplementary angles always add up to 180°, then

m∠XWY+m∠YWZ=180°

You are given that

m∠XWY=4(m∠YWZ).

Substitute it into the previous equality:

4(m∠YWZ)+m\angle YWZ=180°

5(m∠YWZ)=180°

m∠YWZ=36°

5 0
3 years ago
A toy airplane costs $4.84.. It costs 4 times as much as a toy car. What is the cost of the toy car? Show your work.
Elina [12.6K]
Cost of airplane toy = $4.84
let x be the cost of the toy car
cost of airplane toy is 4 times the cost of toy car; it means 
4x = $4.84
x = 4.84 / 4
x = 1.21
Thus, the cost of toy car is $1.21.
4 0
3 years ago
Simplify the expression by removing symbols of grouping and combining like terms.
Andrews [41]

Answer:

=15s−2

Step-by-step explanation:

sorry if its not correct i tried

6 0
2 years ago
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