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Korolek [52]
3 years ago
13

What is the expression in its simplest form ?

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0
The answer is the last one
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The scores on an exam are normally distributed with a mean of 77 and a standard deviation of 10. What percent of the scores are
Shtirlitz [24]

<span>The correct answer between all the choices given is the second choice, which is 16%. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.</span>

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3 years ago
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What is the area? (IXL)
Zina [86]

Answer:

45 square meters

Step-by-step explanation:

we know that

The area of trapezoid is equal to

A=\frac{1}{2}(b1+b2)h

where

b1 and b2 are the parallel bases

h is the height of trapezoid (perpendicular distance between the parallel bases)

we have

b1=6\ m\\b2=9\ m\\h=6\ m

substitute

A=\frac{1}{2}(6+9)6

A=45\ m^2

3 0
3 years ago
Identify an equation in slope-intercept form for the line parallel to y = -3x + 7
svet-max [94.6K]

Answer:

B

Step-by-step explanation:

B and D are the only ones with the same slope (-3x) which is required for the line to be parallel.

and if you graph it out, you will find that B is the correct answer because it passes through (2,-4).

5 0
3 years ago
Which of the following expressions is a sixth root of unity?
sukhopar [10]
-1 for apex i just answered this question and got it right

8 0
3 years ago
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Solve for x and find the lengths.<br> x=<br> DE= x + 7<br> EF = 7<br> 4x+2
Korolek [52]

Answer:

see explanation

Step-by-step explanation:

from the diagram

DF = DE + EF , that is

4x + 2 = x + 7 + 7

4x + 2 = x + 14 ( subtract x from both sides )

3x + 2 = 14 ( subtract 2 from both sides )

3x = 12 ( divide both sides by 3 )

x = 4

Then

DE = x + 7 = 4 + 7 = 11

DF = 4x + 2 = 4(4) + 2 = 16 + 2 = 18

8 0
1 year ago
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