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notsponge [240]
3 years ago
6

Enter the value of 5 times (13.5-4.5)

Mathematics
2 answers:
Veronika [31]3 years ago
6 0
I agree it's 45 because if u multiply those two numbers which is 13.5-4.5 by 5 you will get that answer
vfiekz [6]3 years ago
3 0
The answer is 45 because you do parenthesis first which is 13.5-4.5=9 then you multiply 9×5=45 therefore the answer is 45.
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Common ratio for 64,-16,4,-1
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Answer:

-1/4

Step-by-step explanation:

Multiplying 64 by -1/4 results in -16;

mult. -16 by -1/4 results in 4,

and so on.

The common ratio is -1/4.

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Find an equation of the circle that satisfies the given conditions. (Give your answer in terms of x and y.) Center at the origin
Elanso [62]

Answer:

The equation of circle is x^2+y^2=65.

Step-by-step explanation:

It is given that the circle passes through the point (8,1) and center at the origin.

The distance between any point and the circle and center is called radius. it means radius of the given circle is the distance between (0,0) and (8,1).

Distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Using distance formula the radius of circle is

r=\sqrt{\left(8-0\right)^2+\left(1-0\right)^2}=\sqrt{65}

The standard form of a circle is

(x-h)^2+(y-k)^2=r^2         .... (1)

where, (h,k) is center and r is radius.

The center of the circle is (0,0). So h=0 and k=0.

Substitute h=0, k=0 and r=\sqrt{65} in equation (1).

(x-0)^2+(y-0)^2=(\sqrt{65})^2

x^2+y^2=65

Therefore the equation of circle is x^2+y^2=65.

5 0
3 years ago
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