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Klio2033 [76]
4 years ago
7

PRETTY PRETTY PLEASE HELP! Alicia estimated her test score to be 85 Her actual score was 80 What was the percent error in Alicia

’s estimate Round your answer to the nearest tenth of a percent
Mathematics
2 answers:
musickatia [10]4 years ago
8 0
Her error was 85-80=5
So her percent error was 5/85=0,059 which is 5,9%
Is it clear to you?
Tems11 [23]4 years ago
7 0
If Alicia estimated her test score to be 85 and her actual score is 80 then the correct answer would be 80.0
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Triss [41]
Dang bruh i aint never heard of a basis point 



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4 years ago
Which system of equations can be used to find the roots of the equation 12 x cubed minus 5 x = 2 x squared + x + 6? StartLayout
OverLord2011 [107]

Answer:

A

Step-by-step explanation:

12x³-5x=2x²+x+6

y=12x³-5x

y=2x²+x+6

7 0
3 years ago
Find the equation of the line through point (4,−7) and parallel to =−2/3+3/2 Use a forward slash (i.e. "/") for fractions (e.g.
sp2606 [1]

Answer:

y=-2/3x-13/3

Step-by-step explanation:

parralel line have the same gradient

y=mx+c is the general straight line equation

m represents the gradient

if the equation is y=-2/3x+3/2

m=-2/3

the coordinates (4,-7)

x=4

y=-7

substitute into equation

-7=-2/3×4+c

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c=-7+8/3

c=-13/3

so the equation is :

y=-2/3x-13/3

7 0
2 years ago
Increase 44 by 10%.
sweet-ann [11.9K]
All we have to do is find 10% of 44 and add sooo
first we need to know that 10% = 0.10 
soo lets multiply 
44 x 0.10 =4.4 
so now we add to our first number
44 + 4.4 = 48.4 
Answer? = 48.4
hope this helps:P
and don't forget 2 
MARK ME BRAINLIEST! :D
3 0
3 years ago
According to this diagram, what is cos 28°? 62° 17 8 28° 90° 15 O A. 17 15 O B. 8 17 O c. 15 17 O D. O E. 8 15 15 OF.​
VikaD [51]

Answer:

C. Cos(28) = \frac{15}{17}

Step-by-step explanation:

Recall: SOHCAHTOA

Thus,

Cos(\theta) = \frac{Adjacent}{Hypotenuse}

Reference angle = 28°

Adjacent = 15

Hypotenuse = 17

Plug in the values

Cos(28) = \frac{15}{17}

4 0
3 years ago
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