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3 years ago

Help meee pleaseee !!!!!!!

Mathematics

1 answer:

irina [24]3 years ago

8 0

Answer:

the formula is left side +1. And the right side is *2

Step-by-step explanation:

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Write the equation of circle b with center B(-2,3) that passes through (1,2)

professor190 [17]

Answer:

$(x+2)^2 + (y-3)^2 = 10$

Step-by-step explanation:

The standard equation for circle is

$(x-a)^2 + (y-b)^2 = r^2$

where point (a,b) is coordinate of center of circle and r is the radius.

______________________________________________________

Given

center of circle =((-2,3)

let r be the radius of circle

Plugging in this value of center in standard equation for circle given above we have

$(x-a)^2 + (y-b)^2 = r^2 \ substitute (a,b) \ with (-2,3) \\=>(x-(-2))^2 + (y-3)^2 = r^2 \\=>(x+2)^2 + (y-3)^2 = r^2 (1)$

Given that point (1,2 ) passes through circle. Hence this point will satisfy the above equation of circle.

Plugging in the point (1,2 ) in equation 1 we have

$\\=>(x+2)^2 + (y-3)^2 = r^2 \\=> (1+2)^2 + (2-3)^2 = r^2\\=> 3^2 + (-1)^2 = r^2\\=> 9 + 1 = r^2\\=> 10 = r^2\\=> r^2 = 10\\$

now we have value of r^2 = 10, substituting this in equation 1 we have

Thus complete equation of circle is $=>(x+2)^2 + (y-3)^2 = r^2\\=>(x+2)^2 + (y-3)^2 = 10$

7 0

3 years ago

Hector took out a small loan of $900 for 15 months. The simple interest rate on the loan was 15%. How much will he pay in intere

Liula [17]

So you have to find 15 percent of 900 which would be 135

3 0

3 years ago

which of the following are the building blocks of geometry, according to hilbert? ray line angle point plane

statuscvo [17]

The building blocks of geometry would be point line and plane.

8 0

3 years ago

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5!·4! is equivalent to:

Rudik [331]

Answer:

20!

Step-by-step explanation:

6 0

3 years ago

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Mrs.Ramirez bought 2 qt of orange juice. If the juice is served in 6-oz glasses,how many glasses can be completely filled?

alekssr [168]

Hey there!

<span>There is 32 oz per qt. 2qts=64oz. Divide 64 by 6. </span><span> 6 goes evenly into 64 10 times with a remainder. So the answer is 10 glasses.
</span>
Hope this helps!

4 0

3 years ago