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Mice21 [21]
3 years ago
8

The circle shown is centered at the origin and contains the point (-4, -2). What is the length of the diameter of the circle? Ro

und your answer to the nearest hundredth

Mathematics
1 answer:
trasher [3.6K]3 years ago
8 0

Step-by-step explanation:

Equation for circle centered at origin:

x² + y² = r².

Therefore r² = (-4)² + (-2)² = 20, r = √20.

Hence d = 2r = 2√20 = 8.94 (2d.p.)

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1/2 - 1/5<br><br> I don’t know how to do these problems
uranmaximum [27]

Answer: 3/10

Step-by-step explanation: Since our denominators of 2 and 5have no

factors in common, our least common denominator is 2 · 5 or 10.

In order to get a denominator of 10 in each fraction,

we multiply top and bottom of the first fraction by 5

and top and bottom of the second fraction by 2.

That gives us 5/10 - 2/10 which is 3/10.

5 0
3 years ago
Read 2 more answers
I need help. Please solve this using GEMS. Take a photo of your work and attach it to your answer. Please help.
crimeas [40]

Answer:

120

Step-by-step explanation:

45 ÷ 3 x 2³

2³ = 8

45 ÷ 3 x 8

45 ÷ 3 = 15

15 x 8 = 120.

Hope this helped.

P.S. do I have to put in a photo?

8 0
3 years ago
10 pts
Simora [160]
Area = pi * radius^2
radius = diameter/2 = 26/2 = 13 feet

Area = 3.14 * (13^2)
Area = 3.14 * 169 = 530.66 ft^2
4 0
3 years ago
Graph ​ 24x+25=−6y+7 ​.
MrRa [10]

Okay, So you have 24x+25=6y+7

Step 1: Pull out like factors : 24x + 18 + 6y  =   6 • (4x + y + 3)

Step 2: 4x+y+3  = 0

y-intercept = -3/1  = -3.00000

 x-intercept = -3/4  = -0.75000

Slope     = -8.000/2.000 = -4.000

And bam, you have a straight line

5 0
4 years ago
2 2/3 into a decimal
dalvyx [7]
2 2/3 : 
2.66(repeating)
3 0
3 years ago
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