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ella [17]
4 years ago
10

Help me plz!!!!!!!!!!!!!

Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
7 0
It’s the second it’s repeated addition
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Shelton Drew a circle with a radius ir 10 centimeters. He than shaded 2 portions of his circle. Find the area of the shaded port
Anton [14]

Answer:

The Area of shaded portion is 314000 cm²

Step-by-step explanation:

Given as :

The circle is drawn with radius = r = 10 cm

Two portion of circle is shaded

∵ two portion is shaded means whole the circle is shaded now

Let The area of shaded portion = A = area of circle

∵ Area of circle = A = π × radius²

where π =  3.14

Or, A = 3.14 × r²

Or, A = 3.14 × (100)²

Or, A = 3.14 × 10000

Or, A = \dfrac{3140000}{100}

I.e A = 314000 cm²

So, The Area of shaded portion = A =  314000 cm²

Hence, The Area of shaded portion is 314000 cm²   Answer

5 0
4 years ago
Inverse notation f^-1 used In a pure mathematics problem is not always used when finding inverses of applied problems. Rather, t
solong [7]

Answer:

a) 75.4 kg

b) h(W)=\frac{W+83}{2.2}

Step-by-step explanation:

a) The ideal weight of a 6-foot (72 inches) male is given by simply applying h= 72 in to the expression:

W(72) = 49+2.2(72-60)\\W(72) =75.4\ kg

b) Expressing height as a function of weight:

W(h)= 49+2.2(h-60)\\2.2h-132+49=W\\h(W)=\frac{W+83}{2.2}

Verifying with W(h(W)):

W(h(W))= 49+2.2(\frac{W+83}{2.2} -60)\\W(h(W))= 49-132+W+83\\W(h(W))=W

Verifying with h(W(h):

h(W(h))=\frac{(49+2.2(h-60))+83}{2.2}\\h(W(h))=\frac{(49+2.2h-132+83)}{2.2}\\h(W(h))=h

8 0
3 years ago
Will give brainliest answer
garri49 [273]

Answer:

Step-by-step explanation:

Diameter is 7cm

radius is diameter/2 = 7cm/2 = 3.5cm

7 0
4 years ago
Read 2 more answers
Graph the quadratic function f(x)=2x^2+16x+30 .
kondor19780726 [428]
See the attached picture:

4 0
3 years ago
if angle A is congruent to angle B and the supplement of angle B has a measure 22 then the measure of angle A is
Ludmilka [50]
I believe it would be 158 degrees. Congruent angles are the same, and supplementary angles are angles that add up to 180. So all you would have to do is subtract 22 from 180.
7 0
3 years ago
Read 2 more answers
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