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ella [17]
3 years ago
10

Can someone help me with this 20 points

Mathematics
2 answers:
Novay_Z [31]3 years ago
5 0

Answer:

9cm

8 cm

Step-by-step explanation:

The diameter is 2 times the radius

d = 2r

d = 2(4.5)

d = 9 cm

The diameter is 16cm

d = 2r

16 = 2r

Divide each side by 2

16/2 = 2r/2

8 =r

The radius is 8 cm

Nostrana [21]3 years ago
4 0

1st : to find the diameter just multiply the radius of the circle by 2

<em>2nd: divide the diameter by 2 for the circle so the radius of the circle is 8</em>

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The students in Robbie's grade voted for a class field trip. 80% of the students
Aneli [31]

Answer:

I believe it's 192

Step-by-step explanation:

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3 years ago
after a party, you have 2/5 of the brownies you made left over. there are 16 left. how many brownies did you make for the party
vodomira [7]
16 = 2/5
16 ÷ 2 = 2/5 ÷ 2/1
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7 0
3 years ago
Read 2 more answers
The length of a rectangular park is four timesfour times its width. The park is surrounded by a 33​-foot-wide path. Let x denote
tiny-mole [99]

Answer:

A(x) = 4x^2 + 330x + 4356

Step-by-step explanation:

width of park: x

length of park: 4x

width + path width = x + 66

length + path width = 4x + 66

area = (x + 66)(4x + 66)

area = 4x^2 + 66x + 264x + 4356

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7 0
2 years ago
Answer this question please and thank you
Murljashka [212]

Answer:

1

1

0

0

Step-by-step explanation:

here´s and example for 1

1⁵

1x1x1x1x1=1

so 1 raised to the power of any number is 1

1 multiply by itself any number of times is 1

here´s an example for 0

0⁴

0x0x0x0=0

hence, the vale of 0 raised to any power is 0.

0 multiplied by itself any number of times is 0

8 0
2 years ago
Point Kis on line segment JL. Given JL = 4x + 2, KL=5x– 6, and JK = 3x, determine the numerical length of JK.​
Salsk061 [2.6K]

Answer:6

Step-by-step explanation:

6 0
3 years ago
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