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Juliette [100K]
3 years ago
10

Please help! It's a grade nine math question.

Mathematics
2 answers:
mash [69]3 years ago
8 0

Answer:

Step-by-step explanation:

Area of the Square

Area = s^2

s = 16

Area = 16 * 16

Area = 256

Area of the Circle.

Area of the Circle = pi*r^2

16 inches is a diameter for the circle.

2r = d

r is the radius

d is the diameter = 16

2r = 16           Divide by 2

2r/2 = 16/2    Do the division

r = 8

Area of the circle = pi*r^2

Area of the circle = 3.14*8^2

Area of the circle = 200.96 cm^2

Area of the shaded area

Area of the shaded area =area of the square - area of the circle

Area of the shaded area = 256 - 200.96

Area of the shaded area = 55.04

 

Jobisdone [24]3 years ago
5 0
Is that all the info they gave you? Idk how to work with it
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AnnZ [28]
You didn’t finish the question
7 0
3 years ago
Can someone give me full details/answer?
VMariaS [17]

Answer:

x=50 \\y=130

Step-by-step explanation:

To work out x is easy as they are corresponding angles x will also equal 50

however to work out y you just need to minus 180 and 50 to give 130

180-50=130

7 0
4 years ago
A group of friends is addressing wedding invitations. Casey can address 20 envelopes in one hour, Anne can address 44 envelopes
lukranit [14]

Answer:

Time taken = 6.2 hours

Step-by-step explanation:

Firstly, we will calculate the rate of each person per hour. Then we combine the rates and afterward divide the number of envelope they could address by the combined rate.

Casey can address 20 envelopes at the rate of 20 per hour.

Casey rate = 20 envelope per hr

Anne can address 44 envelope in 2 hours

Anne rate = 22 envelope per hr

Paula can address 68 envelope in 3 hours

Paula rate = 68/3 envelope per hr

Time it will take them to address 400 envelope can be solved below

Add their rate = 20 + 22 + 68/3 = 42 + 68/3 = (126 + 68)/3 = 194/3

Time = 400 ÷ 194/3 = 400 × 3/194 = 1200/194 = 6.1855670103

Time taken = 6.2 hours

6 0
3 years ago
Jaden says that two triangles are congruent if their interior angles are congruent. Is Jaden correct, and why?
Bogdan [553]

Answer:

No

Step-by-step explanation:

No. Congruent triangles should also have corresponding congruent side lengths.

5 0
2 years ago
Anyone wanna help a girl out????
dezoksy [38]

n is the number of the term you need.

Using the rule, replace n with 8 and solve:

k = 1/8(8)

k = 1/8 x 8/1 = 8/8 = 1

The eight term = 1

8 0
3 years ago
Read 2 more answers
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