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oksano4ka [1.4K]
3 years ago
11

The equation for the circle below is x2 + y2 = 100. What is the length of the circle's radius?

Mathematics
2 answers:
neonofarm [45]3 years ago
6 0

Answer:

Step-by-step explanation:

x²+y² =(Radius)²

x²+y² =10². So the radius is 10

Andreas93 [3]3 years ago
6 0

Answer:

radius = 10

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ( where r is the radius )

x² + y² = 100 ← is in this form

with r² = 100 ( take the square root of both sides )

r = \sqrt{100} = 10

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Answer:

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6 0
2 years ago
How do you find the sum of cube ?
SIZIF [17.4K]

Answer:

(2x+5)(4x^{2} -10x+25)=0

Step-by-step explanation:

Given:

The given equation is.

8x^{3} +125=0

Find the some of cube.

Solution:

8x^{3} +125=0

2^{3}x^{3} +5^{3}=0

(2x)^{3} +5^{3}=0----------(1)

The sum of the cube formula is given below.

(a^{3} +b^{3})=(a+b)(a^{2} -ab+b^{2} )-----------(2)

By comparing equation 1 and equation 2

a=2x, b=5

substitute a and b value in equation 2

((2x)^{3} +5^{3})=(2x+5)((2x)^{2} -(2x)(5)+5^{2})

((2x)^{3} +5^{3})=(2x+5)(4x^{2} -(10x)+25)

((2x)^{3} +5^{3})=(2x+5)(4x^{2} -10x+25)

Therefore the sum of the cube (2x+5)(4x^{2} -10x+25)=0

4 0
3 years ago
Molly was packing books in a box to send to her friend. the box cannot weigh more that 2kg. if each book has a mass of 200g, wha
Aleksandr [31]
First convert 2kg to grams which would be 2000g.
Maximum number of books=2000g/200g=10
The maximum number of books she can send is 10.
3 0
3 years ago
Crystal bought new art supplies that were on sale for $25.45. If
Keith_Richards [23]

Answer:

The orginal price was $33.09.

Step-by-step explanation:

You take 30% and move the decimal two places to the left, which gives you .3

Then mutiply .3 to $25.45. This gives you $7.64.

Add $7.64 to discounted price ($25.45) and you get $33.09.

5 0
3 years ago
What is <br><br> 88x3-7+198-34x15+76-126=
PilotLPTM [1.2K]

-105

Multiply first, then subtract, then add.

6 0
2 years ago
Read 2 more answers
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