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Nonamiya [84]
4 years ago
6

What is equivalent to 1+1 because i do not know

Mathematics
1 answer:
MissTica4 years ago
7 0
2 is the answer to this equation
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Each increases by a certain amount called the common difference

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hmm, some error
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Algebra 2 semester 2 activity 4.1.1
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What does a closed circle on a number line indicate? Is it the solution does not include that number?
Lilit [14]
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3 years ago
HELP! Identify the equation of the circle that has its center at (-3, -4) and passes through the origin.
Lunna [17]

Answer:

Option B. (x+3) ^2+(y+4)^2=25

Step-by-step explanation:

we know that

The equation of the circle in standard form is equal to

(x-h)^{2}+(y-k)^{2}=r^{2}

where

(h,k) is the center and r is the radius

step 1

Find the radius of the circle

Remember that the distance of the center and any point on the circle is equal to the radius of the circle

so

Find the distance between the points (-3,-4) and (0,0)

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute

r=\sqrt{(0+4)^{2}+(0+3)^{2}}

r=\sqrt{(4)^{2}+(3)^{2}}

r=\sqrt{25}

r=5\ units

step 2

Find the equation of the circle

(x-h)^{2}+(y-k)^{2}=r^{2}

the center is the point (-3,-4) and the radius is r=5 units

substitute

(x+3)^{2}+(y+4)^{2}=5^{2}

(x+3)^{2}+(y+4)^{2}=25

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3 years ago
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schepotkina [342]

Answer:

because when x ing a positive to a negative it will give you a negative however if you x a negative and a negitive it will give a positive

Step-by-step explanation:

7 0
3 years ago
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