3 years ago

Plz explain how to do this

Mathematics

1 answer:

GaryK [48]3 years ago

5 0

Evaluate the function like f(x)=

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Consider the figure in the diagram above. ABJK is a rectangle. There are two semicircles cut out of the rectangle. AB=8cm; AJ=18

RUDIKE [14]

First find the area of the rectangle, then remove the circular area.

AB * AJ = 8 * 18 = 144 sq cm

Circle = $\pi r^{2}$
= $\pi 4^{2}$
=3.14 * 16
=50.24 sq cm

144 - 50.24 = 93.76 sq cm shaded area.

3 0

4 years ago

Need help with this khan academy question. Plus minus square root of negative nine equals plus or minus

klemol [59]

Answer:

Step-by-step explanation:

3i x 3i = -9

-3i x -3i = -9

Therefore the square root of -9 is 3i or -3i

3 0

3 years ago

INDEPENDENT:

Leni [432]

Answer: your answers are correct. I inserted an image of the answers.

3 0

3 years ago

1. Show work and find the value of the circumference of the circle with a 12 cm radius.

Virty [35]

Answer:

75.36

Step-by-step explanation:

3.14(pi) x 24(diameter) = 75.36(circumference)

5 0

4 years ago

6m-2 = m+13 how do i solve it

kakasveta [241]

First move the terms to get
6m-m=13+2
Then collect the like terms and calculate the sum, 5m=15
Divide both sides by 5
And you get m=3

4 0

3 years ago