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3 years ago

What is 168 divided by 2 as a fraction math

Mathematics

1 answer:

pshichka [43]3 years ago

8 0

82 even is your answer

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In rectangle ABCD, AC = -x + 21, BP = -9x + 19, and DP = -y + 5. Find the value of y.

creativ13 [48]

Answer:

y=-5

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The diagonals of a rectangle are equal and bisect each other

$BP=\frac{1}{2}AC$

$DP=BP$

step 1

Find the value of x

$BP=\frac{1}{2}AC$

substitute the given values

$(-9x+19)=\frac{1}{2} (-x+21)$

solve for x

Multiply by 2 both sides

$-18x+38=-x+21$

$18x-x=38-21\\17x=17\\x=1$

step 2

Find the value of y

$DP=BP$

we have

$BP=-9x+19$

$DP=-y+5$

substitute

$-y+5=-9x+19$

substitute the value of x

$-y+5=-9(1)+19\\-y+5=10\\y=5-10\\y=-5$

5 0

3 years ago

Which of the following describes the graph of a linear function?

sveticcg [70]

I believe that the last one is correct because it is not a curve but a straight line, and it can't be the second one because the y value does not decrease as x increases

3 0

3 years ago

1/3x + 3 = -2 <br> steps please

Lunna [17]

Answer:

what is this for?

Step-by-step explanation:

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3 years ago

What is the standard deviation of the data set given below?<br> 4,7, 8, 9, 12

larisa [96]

Answer:

I think 7

Step-by-step explanation:

4 , 8 , 9 and 12 has factors.

7 has no factor.

4= 2×2

8= 2×4

9= 3×3

12= 3×4

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3 years ago

What is the code of this math puzzle (amount of Miles)

Marta_Voda [28]

Just work with it as seperate triangles and then add them up.

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