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Harman [31]
3 years ago
9

PLZ HELP FAST PLZZZXXXXXX

Mathematics
1 answer:
saw5 [17]3 years ago
4 0

Answer:

sorry i don't know

Step-by-step explanation:

you did the same thing to me just for points

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What is the center and radius of the circle that has the equation x+72+y-42=49? Explain.
balu736 [363]

Answer: The center is (-7, 4) and the radius is 7.

Step-by-step explanation:

The equation for a circle usually is:

(x - a)^2 + (y - b)^2 = R^2

where R is the radius, and (a, b) is the center of the circle.

I guess that the equation in this case is:

(x + 7)^2 + (y - 4)^2 = 49

then, in this case we have:

a = -7 and b = 4, then (a, b) = (-7, 4)

this means that the center of our circle is in the point (-7, 4)

and we know that:

R^2 = 49

R = √49 = 7

Then the radius is equal to 7.

3 0
3 years ago
How do you simply the square root of 28
maria [59]
\sqrt{28} can be rewritten as ;
=\sqrt{7*4}
=\sqrt{4} * \sqrt{7}
=2\sqrt{7}
3 0
3 years ago
Y < 3 includes three as a possible solution
irakobra [83]
False...it does not include 3....it includes only numbers less then 3.

For it to include 3, u would need an equal sign in there..
Y < = 3...(thats less then or equal)...this would include 3
6 0
3 years ago
A dealer offers a computer software program whose list price is $500 at a 19% discount. She will give an extra 3% discount if pa
Mekhanik [1.2K]

Answer:the selling price if payment is made in cash is $395

Step-by-step explanation:

The list price of the computer software program is $500

A dealer offers the computer software program at a 19% discount.

She will give an extra 3% discount if paid in cash. This means that the total discount in percentage if a customer paid in cash would be

19 + 3 = 21%

The value of the discount would be

21/100 × 500 = 0.21 × 500 = $105

Therefore, the selling price if payment is made in cash would be

500 - 105 = $395

3 0
3 years ago
If two events, A and B, never occur at the same time they are _____.
Ahat [919]

Answer:

Disjoint is the correct answer.

3 0
3 years ago
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