2 years ago

74.823 WHAT IS THE PLACE VALUE OF THE 3?

Mathematics

2 answers:

Neko [114]2 years ago

6 0

One thousandths

The 8 is tenths
The 2 is one hundredths

Ipatiy [6.2K]2 years ago

4 0

One thousandths. make sure you add the ths because it is a decimal

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Step-by-step explanation:

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3 years ago

R (-3,1) and S (-1,3) are points on a circle. If RS is a diameter, find the equation of the circle.

ELEN [110]

Answer:

$\sf (x+2)^2+(y-2)^2=2$

Step-by-step explanation:

If RS is the diameter of the circle, then the midpoint of RS will be the center of the circle.

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$\sf =(-2, 2)$

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

Substituting found center (-2, 2) into the equation of a circle:

$\sf \implies (x-(-2))^2+(y-2)^2=r^2$

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To find $\sf r^2$ , simply substitute one of the points into the equation and solve:

$\sf \implies (-3+2)^2+(1-2)^2=r^2$

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2 years ago

If 23 is subtracted from 8 times the number, the result is the square of 2 less than the number.

pychu [463]

I believe the answer is 116.

23-8=15
8*15=120
sqrt2=4
the number 120-4=116

that’s what i got not sure if that is correct

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2 years ago