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IgorC [24]
3 years ago
7

What is the sign of B+A

Mathematics
1 answer:
Aliun [14]3 years ago
5 0

Answer:

the sum is zero

Step-by-step explanation:

A is equal to 8, B is equal to -8. 8+(-8)=0

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A circle has the center of (1,-5) and a radius of 5 determine the location of the point (4,-1)
Sliva [168]

"determine the location" or namely, is it inside the circle, outside the circle, or right ON the circle?

well, we know the center is at (1,-5) and it has a radius of 5, so the distance from the center to any point on the circle will just be 5, now if (4,-1) is less than that away, is inside, if more than that is outiside and if it's exactly 5 is right ON the circle.

well, we can check by simply getting the distance from the center to the point (4,-1).

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ \stackrel{center}{(\stackrel{x_1}{1}~,~\stackrel{y_1}{-5})}\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{-1})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d = \sqrt{[4-1]^2+[-1-(-5)]^2}\implies d=\sqrt{(4-1)^2+(-1+5)^2} \\\\\\ d = \sqrt{3^2+4^2}\implies d =\sqrt{9+16}\implies d=\sqrt{25}\implies \stackrel{\textit{right on the circle}}{d = 5}

5 0
3 years ago
Is .38 greater or less than 3/10
Dominik [7]
.38 is greater because 3/10 is .30 and .38 is greater
6 0
3 years ago
Read 2 more answers
A meteorologist found that the rainfall in Lexington during the first half of the month was 1/2 of an inch. At the end of the mo
zalisa [80]

Answer:

.1 inch or 1/12 of an inch

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Joe was given $20 for his birthday.He then saved $10 per week from his allowance.Write a function to represent this situation
Inga [223]

Answer:

20 + 10w = total cash saved

7 0
3 years ago
If tan (θ )=0.532 , and α is the complement of θ , then tan (α) =
goblinko [34]

Answer:

tan(α) = 89.468

Step-by-step explanation:

90 - 0.532

6 0
2 years ago
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