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Sidana [21]
2 years ago
15

Hello what is the answer this is super urgent thank you PLEASE help

Mathematics
1 answer:
earnstyle [38]2 years ago
3 0
61.26 in^2

Explanation: plug in the formula to get SA=2π1.5^2+2π(1.5)(5)
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(sin^4 theta - 1)/(cos^2 theta) = cos^2 theta - 2
WARRIOR [948]

Answer:

?

Step-by-step explanation:

3 0
2 years ago
A regular hexagon is inscribed in a circle with a radius of 4 yd. Find the area of the shaded region shown.
dlinn [17]
A watch decreased in price by
4
5
. After the reduction it was priced at £10. What was the original price of the watch?
3 0
3 years ago
If PQ=8 and Q lies at -13 where could P be located?
choli [55]

Answer:

In the given figure the point on segment PQ is twice as from P as from Q is. What is the point? Ans is (2,1).

Step-by-step explanation:

There is really no need to use any quadratics or roots.

( Consider the same problem on the plain number line first.  )

How do you find the number between 2 and 5 which is twice as far from 2 as from 5?

You take their difference, which is 3. Now splitting this distance by ratio 2:1 means the first distance is two thirds, the second is one third, so we get

4=2+23(5−2)

It works completely the same with geometric points (using vector operations), just linear interpolation: Call the result R, then

R=P+23(Q−P)

so in your case we get

R=(0,−1)+23(3,3)=(2,1)

Why does this work for 2D-distances as well, even if there seem to be roots involved? Because vector length behaves linearly after all! (meaning |t⋅a⃗ |=t|a⃗ | for any positive scalar t)

Edit: We'll try to divide a distance s into parts a and b such that a is twice as long as b. So it's a=2b and we get

s=a+b=2b+b=3b

⇔b=13s⇒a=23s

7 0
2 years ago
If 40 is decreased by 80%, what is the new amount?
ExtremeBDS [4]

Answer:

The new amount is 8.

Step-by-step explanation:

80% of 40 is 32, so subtract 32 from 40 to get 8.

5 0
3 years ago
Read 2 more answers
How to find the discriminant of
kati45 [8]

The discriminant is 225

4 0
3 years ago
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