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artcher [175]
3 years ago
11

Evaluate Y - R for R= -2 and Y= -7

Mathematics
1 answer:
Semmy [17]3 years ago
8 0

Answer:

5

Step-by-step explanation:

-2 - (-7)

you have to do the opposite of the sign and switch the last number from neg to pos

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Answer would be A. F(0)
6 0
3 years ago
What is the center or a circle represented by the equation (x+9)2 + (y-6)2 = 10 to the power of 2
m_a_m_a [10]

Answer:

(-9,6)

Step-by-step explanation:

The general equation of a circle is given as:

x²+y²+2gx+2fy+c = 0

The centre of the circle is (-g,-f)

Given the equation of the circle

(x+9)² + (y-6)² = 10²

First we need to expand and write it in the general form. On expansion:

x²+18x+81+y²-12y+36 = 100

Collecting like terms

x²+y²+18x-12y+81+36-100 = 0

x²+y²+18x-12y+17 = 0

Comparing to the general equation

2gx = 18x

g = 9

2fy = -12

f = -6

The center of the circle = (-g, -f)

= (-9,-(-6))

= (-9, 6)

4 0
3 years ago
Jenna and her mom are addressing envelopes for Jenna's wedding invitations. So far, Jenna has addressed 2/9 of the envelopes, an
frutty [35]
I can’t tell if you want fraction or decimal so ima say 4/9
5 0
3 years ago
Read 2 more answers
Wally purchased a desk that was on sale do 2/3 of the original price. If the original price was $450, what was the price that Wa
Arisa [49]

Answer:

2/3 of 450 is 300 :)



4 0
3 years ago
Somebody HELP ME PLS IM TRYING TO GET MY GRADES UP FROM AN F! IF ITS CORRECT AND HELPFUL U WILL BE BRAINLIEST
kramer

Answer:

144

Step-by-step explanation:

A=BH

your base is 9 and your height is 16. 16 times 9= 144. Hope this helps :)

5 0
2 years ago
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