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jekas [21]
2 years ago
12

Just an answer im to lazy to do help pls m

Mathematics
1 answer:
maksim [4K]2 years ago
5 0

\bold{ANSWER:}
OPTION J

\bold{SOLUTION:}

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Circle C has radius of 10 cm. Each of points B and D is on the midpoint of the radius. Find the area of the shaded region.
olya-2409 [2.1K]
Simple :)
Area of shaded part = are of 1/4 circle - area of both triangles.
Are of circle = pie r^2 so 100x3.14 = 314 cm2.
Area of triangle AOB= area of triangleDOE = bh/2= 5x10/2= 25 each
However, the traingles share a common area which is quad DOB(I)
Lets take traingle AOE, whose are is bh/2=10x10/2=50cm2.
50-area of triangle A(I)E= 50-(
7 0
3 years ago
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F(x)=2(3-x),find f(-7)
Sauron [17]

Answer:

f(-7) = 20

Step-by-step explanation:

Given:

f(x) = 2(3 -x)

Solving for f(-7):

f(-7) = 2(3 -(-7)) \\ f(-7) = 2(3 +7) \\ f(-7) = 2(10) \\ f(-7) = 20

6 0
3 years ago
Which inequalities are true? Check all that apply.
garri49 [273]

Answer: A , B, C, E

Step-by-step explanation:√4 = 2√5 = 2.24√5.5 = 2.36√6 = 2.45√8 = 2.83√9 = 3

A)√5 < 2.3<√62.24 < 2.3 < 2.45 True

B)√5 < 2.4<√62.24 < 2.4 < 2.45 True

C)√4 < √5 < √5.52 < 2.24 < 2.36 True

D)√8 < 3 < √92.83 < 3 < 3 False

E)√8 < 2.9 < √92.83 < 2.9 < 3 True

F)√4 < 4.5 < √52 < 4.5 < 2.24 False

4 0
3 years ago
The plate for a microscope has a circumference of 100\pi millimetres What is the area of the plate? Round to the nearest hundred
Molodets [167]

Answer:

199,491 mm

Step-by-step explanation:

3 0
3 years ago
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a piggy bank contains only nickels and quarters. The total value in the back is $3.80. Write an equation in standered form that
Andrei [34K]
Ax + By = C....standard form

0.05n + 0.25q = 3.80....I just used the variables (n) for nickels and (q) for quarters....but u could use x and y if u want to. But if u do this, be sure and label ur variables
6 0
3 years ago
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