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Marysya12 [62]
3 years ago
13

What is the lengh of de?

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
6 0
DF is 2/3 the length of AC (10/15 = 2/3)
 so DE would be 2/3 the length of AB

AB = 27

DE = 2/3 x 27 = 18

 the answer is D

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Three friends grow groups of sunflowers. Some think that Anna’s flowers are the tallest because the mean height of her flowers i
algol [13]
We have to find the graph where the mean of the flower heights is higher and the median is lower.

1st graph
M = ( 3 + 3 + 3 + 3 + 3 ) / 7
M = 15 / 7
Medium = 3
15 / 7 < 3 ( False )
2st graph
M = ( 2 + 6 + 2 + 1 + 1 + 3 ) / 6
M = 15 / 6
Medium = 4 / 2 = 2
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So this is the requested chart.
Hope this helps, good studies.
7 0
2 years ago
What is the answer to -3(9-x)+6x
marin [14]

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Step-by-step explanation:

4 0
3 years ago
I NEED HELP PLEASE!!!
solmaris [256]

Answer:

C

Step-by-step explanation:

cos(theta) is positive in IV quadrant and sin(theta)=sqrt(13^2-5^2)/13=-12/13

7 0
2 years ago
Find the value of y.<br> m&lt;1 = 3y + 6
Rufina [12.5K]

Step-by-step explanation:

m > 1 = 3y  + 6\\  \frac{m >  -1 - 6}{3}  =  \frac{3y}{3}  \\ y =  \frac{m >  - 5}{3}

7 0
2 years ago
Determine the equation of the line passing through the points <br> (4,-1) and (-2,-4)
jenyasd209 [6]

Answer:

y = 1/2x - 3

Step-by-step explanation:

the slope:

m=\frac{-4-(-1)}{-2-4} =\frac{-4+1}{-6} =\frac{-3}{-6} =\frac{3}{6} =\frac{1}{2}

the equation:

with the point (4, -1)

y-(-1)=\frac{1}{2} (x-4)

y+1=\frac{1}{2}x-2

y=\frac{1}{2} x-2-1

y=\frac{1}{2} x-3

I hope this help you

8 0
2 years ago
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