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nataly862011 [7]
2 years ago
6

What property -3(m + 8) = -3m - 24

Mathematics
1 answer:
Andrews [41]2 years ago
5 0

Answer:

distributive property of multiplication

Step-by-step explanation:

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the high school swimming team can have at most 45 members. the sign-up list contains 28 athletes. how many athletes can still jo
vitfil [10]

Answer:

17

Step-by-step explanation:

45 - 28

Hope this helps!!!!!!!

8 0
2 years ago
Read 2 more answers
On awall of dimension10.5m long and 8.5 m wide, a square shaped wall posture is stuck at the centre whose one side measures2.5m.
tangare [24]

Answer:

₹996

Step-by-step explanation:

Area painted = area of wall - area of wall posture

Area of a rectangle = length x breadth

= 10.5m x 8.5m = 89.25m^2

Area of a square

length x length

2.5m x 2.5m = 6.25m^2

Area painted =  89.25m^2 -  6.25m^2 = 83m^2

Total cost of area painted = 83m^2 x 12 = 996

4 0
2 years ago
Which equation represents the equation of the parabola with focus (-3 3) and directrix y=7?
Artemon [7]

Answer:

The equation y=\frac{-x^2-6x+31}{8} represents the equation of the parabola with focus (-3, 3) and directrix y = 7.

Step-by-step explanation:

To find the equation of the parabola with focus (-3, 3) and directrix y = 7. We start by assuming a general point on the parabola (x, y).

Using the distance formula d = \sqrt {\left( {x_1 - x_2 } \right)^2 + \left( {y_1 - y_2 } \right)^2 }, we find that the distance between (x, y) is

\sqrt{(x+3)^2+(y-3)^2}

and the distance between (x, y) and the directrix y = 7 is

\sqrt{(y-7)^2}.

On the parabola, these distances are equal so, we solve for y:

\sqrt{(x+3)^2+(y-3)^2}=\sqrt{(y-7)^2}\\\\\left(\sqrt{\left(x+3\right)^2+\left(y-3\right)^2}\right)^2=\left(\sqrt{\left(y-7\right)^2}\right)^2\\\\x^2+6x+y^2+18-6y=\left(y-7\right)^2\\\\x^2+6x+y^2+18-6y=y^2-14y+49\\\\y=\frac{-x^2-6x+31}{8}

6 0
3 years ago
I know the answers but I don't know how to solve it
lutik1710 [3]
You did it right. 1.35 + 7.00 and you have the right answer. is that what you mean?
4 0
3 years ago
What’s four times a number (algebra wise)
3241004551 [841]

Answer:

4x

Step-by-step explanation:

6 0
2 years ago
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