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Debora [2.8K]
3 years ago
14

12

Mathematics
1 answer:
mash [69]3 years ago
4 0

Answer:

A

Step-by-step explanation:

I don't think you have the right equation down, so this more of an educated guess than an actual direct answer

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PLEASE HELP!!! i’ll give brainliest
tekilochka [14]

Answer:

x = \sqrt{164

Step-by-step explanation:

In order to find the hypothenuse, you need to do 8^{2}  + 10^{2}. Which equals 164. Therefore, since a^{2} +b^{2} =c^{2}, a=8, b=10, and c=\sqrt{164.

8 0
3 years ago
Answer the questions by drawing on the coordinate plane below.
solniwko [45]

Coordinates of the given triangle ΔPQR P(1,-1), Q(3,-2), R(3,-4).

a) Let us discuss the rule for rotation of 90° clockwise about the origin.

If given coordinate is (h,k) is rotated 90° clockwise about the origin the position of rotated coordinate will be (k, -h).

x and y coordinates would switch their values and after switching x any values, the y value of the coordinates would reverse in sign.

So, the coordinates of rotated ΔPQR P(1,-1), Q(3,-2), R(3,-4) would become

P(1,-1) --> P'(-1,-1)

Q(3,-2) --> Q'( -2,-3)

R(3,-4) --> R'(-4,-3)

b) If given coordinate is (h,k), the coordinates after reflection across the x-axis would besome (h,-k). (Just change in the sign of y-coordinate).

So, the coordinates of rotated ΔPQR P(1,-1), Q(3,-2), R(3,-4) would become

P(1,-1) --> P"(1,1)

Q(3,-2) --> Q"( 3,2)

R(3,-4) --> R"(3,4)



6 0
3 years ago
A Shirt originally priced at $12 is now on sale for $9. By what percent did the price decrease?
lubasha [3.4K]
It decreased by twenty five precent 25%
5 0
2 years ago
Read 2 more answers
A hemisphere fake stone made of clay has a diameter of 16 inches. The density of clay is 0.0035 pounds per cubic inch. The clay
Rufina [12.5K]

Answer:

$137.82

Step-by-step explanation:

The volume of a hemisphere stone is given by the volume of a half-sphere:

Volume = (2/3) * pi * radius^3

If the diameter is 16 inches, the radius is 16/2 = 8 inches, so the volume is:

Volume = (2/3) * pi * 8^3 = 1072.33 in3

We need a total of 8 stones, so the total volume is:

Total Volume = 8 * 1072.33 = 8578.64 in3

The density of clay is 0.0035 pounds per cubic inch, so the total weight of the 8 stones is:

Weight = Total Volume * density = 8578.63 * 0.0035 = 30.0252 pounds

Finally, if the price of each pound of clay if $4,59, the final price is:

Price = 30.0252 * 4.59 = $137.82

8 0
3 years ago
Cos^2theta -cos^2theta ×sin^2theta =cos^4theta​
gizmo_the_mogwai [7]

Answer:

we should prove this or solve only

7 0
3 years ago
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