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Naddika [18.5K]
3 years ago
14

If DH = (4x + 10) in. and HI = (2x − 4) in., then x =_______ , HI =_______ , and ID = _________

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0

Answer:

x = ∞ infinite solutions or 0

HI = infinite solutions

ID = infinite solutions.

Step-by-step explanation:

Oh okay I got this now!

ID + HI = DH

ID + 2x - 4 = 4x + 10 (subtract 2x on both sides)

ID - 4 = 2x + 10 (add 4 on both sides)

ID = 2x + 14

So now ID + HI = DH

2x + 14 + 2x - 4 = 4x + 10 (simplify)

4x + 10 = 4x + 10 (subtract 10 on both sides)

4x = 4x (minus 4x on both sides)

0 = 0

I would plug in 0 as x.

Hope this helps!

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During a store's closing sale, everything is 65% off. Vikram goes into the store to buy a shirt and a pair of pants, and spends
saw5 [17]

Answer:

without the sales, he would have spent $44.57

Step-by-step explanation:

Let the amount he would have spent without the sales be x. Now, if there is a 65% discount, what this means is that he is exactly paying for 100 - 65% = 35%

Now, it is this 35% of X that is equal to the amount he paid

Thus, mathematically, we have the following;

35/100 * x = 15.60

35x = 15.6 * 100

35x = 1560

x = 1560/35

x = $44.57

This means that without the sales discount, he would have paid $44.57

5 0
3 years ago
-12.166 divided by (-1.54)
Sloan [31]

Step-by-step explanation:

=-12.166/-1.54 [if - is in both numerator and denominator then they are cancled out]

=12.166/1.54

=7.9

4 0
3 years ago
Marcus is a member of a theater club. He pays a monthly fee and his movie tickets are then $5 for an unlimited number of movies
inn [45]
The monthly fee is 12.55=7.5$
4 0
2 years ago
Read 2 more answers
A survey in one middle school showed that 2 out of 8 students help cook meals at home. Predict how many out of the 589 students
Alekssandra [29.7K]

Answer: 36

Step-by-step explanation: 589/8: 73.62

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99 POINT QUESTION PLUS BRAINLIEST!!!
Katyanochek1 [597]
Yay, I like das stuff


I think I learned the washer method
goes like this


area=\pi  \int\limits^a_b {(outercurve)^2-(innercurve)^2} \, dx

ok, so

actuallly, this is easier

y=49-x^2 and
y=0
see when they intersect again
they intersect at -7 and 7
if we do integrate from -7 to 7, then it wil give 0 (because integration is area under the curve), so note that they are same both sides so integrate from 0 to 7 then double the volume to get both sides
so it can't be C or D
It also can'nt be A because it should not be multipied by 4, it should be multipied by 2


basically, we don't need the washer method
remember, area=pir^2
the disk method then
we are summing up all the radii disks and squareing them
but doubleing them so
area=2\pi  (\int\limits^7_0 {49-x^2} \, dx )^2
no idea why we need the inside part to be x(49-x^2), that is intersting
6 0
3 years ago
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