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Vika [28.1K]
3 years ago
15

What is -2(7-y)+4=-4?

Mathematics
1 answer:
xeze [42]3 years ago
3 0
-2(7-y)+4=-4
Distributive property for -2(7-y)
-14+2y+4=-4
Addition property
-14+14+2y+4=-4+14
2y+4=10
Subtraction property
2y+4-4=10-4
2y=6
Division property
2y/2=6/2
Y=3
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Find the value of y.
Gala2k [10]

Answer:

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Step-by-step explanation:

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2 years ago
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ANTONII [103]

Answer:

10 units

Step-by-step explanation:

Formula to find the distance between two points (x_1,y_1) and (x_2,y_2) is,

d = \sqrt{(y_2-y_1)^2+(x_2-x_1)^2}

Distance between two points (0, -7) and (-6, 1) will be,

d = \sqrt{(0+6)^2+(-7-1)^2}

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Therefore, distance between the given points is 10 units.

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3 years ago
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Brilliant_brown [7]

Answer:

1. 3,168 in³

2. \frac{3}{4}

Step-by-step explanation:

1. The total volume of the tank - as calculated by the formula for a rectangular prism - V=LWH, where L is length, W is width, and H is height. 15 · 24 · 11 = 3,960 in³. Next, we divide 3,960 by five to get 792. If 792 in³ is the air at the top, we can then subtract that from 3,960 and get 3,168. So there are 3,168 in³ of water in the tank.

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Hope this helps! Feel free to ask any questions!

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ArbitrLikvidat [17]

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Step-by-step explanation:

6 0
3 years ago
Find the area of the shape shown below.
hichkok12 [17]

Answer:

26.75 units ^2

Step-by-step explanation:

Since the shape is complex, divide it into 3 right angled triangles and one square. Find the area of these individual shapes first, then fin the sum of these area to calculate the ultimate area of e complex shape:

Triangle 1 = 1/2 x 2 x 5 = 5 units ^2

Triangle 2 = 1/2 x 2 x 2 = 2 units ^2

Triangle 3 = 1/2 x 3.5 x 9 = 15.75 units ^2

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Now add all these up 15.75 + 2 + 5 + 4 = 26.75 units squared.

Hope this helps

6 0
3 years ago
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