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earnstyle [38]
3 years ago
6

Please help... ABCD is a quadrilateral​

Mathematics
1 answer:
IgorC [24]3 years ago
3 0
A ———————————————————
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I’m stuck on this question. any help would be greatly appreciated
Mademuasel [1]

Using the Pythagorean theorem we get:

y^2+8^2=12^2.

Simplifying the above result we get:

y^2+64=144.

Subtracting 64 from the above equation we get:

\begin{gathered} y^2+64-64=144-64, \\ y^2=80. \end{gathered}

Therefore:

y=\sqrt{80}\approx8.9.

Answer:

y=8.9.

4 0
1 year ago
Somebody please help me with the question
Lubov Fominskaja [6]
50 is the answer.
We know that 60% is equal to 0.60. We don’t need to write the extra 0 in the end, so we can just write 0.6
. So, the question is saying that 30 is 0.6 of the total number of marbles. This means that 30 is 0.6 times the total number of marbles.
To write this in equation form, I will use x to represent the total number of marbles:
30=0.6x
Now, we need to solve for x.
On one side of the equation we have only x, and in the other side we only have a number.
So, to solve it, we need to divide both sides of the equation by the coefficient on x, which is 0.6.
30/0.6 = 0.6/0.6x
Solve:
30/0.6 = x
x = 50
The answer is 50.
3 0
3 years ago
Find the midpoint M of the line segment joining the points A = (-2,-4) and B = (4,-8)
Alex787 [66]

Answer:

(-2+4)/2

= 1

(-4-8)/2

= -6

(1,-6) is the midpoint of the line

6 0
3 years ago
Please help!!!! I only need to do A not B!!! 8 points!!!!
Nadya [2.5K]
2/5+-1/3 please excuse my sloppy writing

8 0
2 years ago
What type of association would you expect between a persons age and hair length
hjlf

Answer:

The length of their hair reduces. This is because the length of hair is dependent on the growth phase (anagen phase) of the hair follicles. When one is young, the cells of the papilla divide more rapidly and hence cause the length of the hair to be long before reaching transitional phase (catagen phase) and then shed off in the telogen phase. The older one gets, the papilla cells do not divide as rapidly and the length of the hair shortens with age.

4 0
3 years ago
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