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Leya [2.2K]
4 years ago
11

Solve and Graph -10x=5y

Mathematics
1 answer:
PolarNik [594]4 years ago
5 0
<span>-10x = 5y
y = -2x

x = 0, y = 0
x = 1, y = -2</span>

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During the first 11 months of a recent year, a certain charitable organization received an average (arithmetic mean) of $20,600
Elena L [17]

Answer:

Donation received in December = $ 25,400

Step-by-step explanation:

Given:

Average for 11 months = $20,600

Average for entire year = $ 21,000

Total amount received in first 11 months (A) = $20,600 x 11

                                                                    = $226,600

Total amount received in entire year( 12 months) (B) = $ 21,000 x 12

                                                                                 = $252,000

Therefore,

Amount received in December month = (B) - (A)

                                                                   = $252,000 - $226,600

                                                                   = $ 25,400

5 0
3 years ago
HELP HELP HELP HELP 16 POINTS!
Mice21 [21]

Answer:

702 i think

Step-by-step explanation:

13 x 6 x 9

6 0
2 years ago
Read 2 more answers
What does 1/3 plus 1/7 equil?
e-lub [12.9K]
1/3 + 1/7 = ?
7/21 + 3/21 = 10/21
The answer is 10/21.
7 0
3 years ago
A quadratic equation has a
11111nata11111 [884]

Answer:

\boxed {\boxed {\sf 2 \ real \ solutions }}

Step-by-step explanation:

The quadratic formula is:

{x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}}

The discriminant of a quadratic is just the expression under the square root, or b^2-4ac. This can tell us the number of solutions a quadratic has.

If the discriminant is:

  • Positive = 2 real solutions
  • Equal to Zero = 1 real double/repeated solution
  • Negative = 0 real solutions, but 2 imaginary solutions

Our quadratic equation has a discriminant of 5, which is positive. Therefore, it has 2 real solutions.

6 0
3 years ago
50 apples cost $25. How much would 75 apples<br>cost?​
fredd [130]

Answer:

Divide 75 by 2 and you get 37.5 as your answer. That's how much it will cost you to get 75 apples

Step-by-step explanation:

if we do unitary method

then..

50/25=0.5

1 apple cost 0.5

75=75*0.5 =ruppee 37.5

6 0
4 years ago
Read 2 more answers
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