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Mashcka [7]
3 years ago
5

Determine wheather the graphs of y = 2x+1 and y=-3X-7 are parallel, perpendicular, coincident, or none of these

Mathematics
1 answer:
Readme [11.4K]3 years ago
5 0

Answer:

The two graphs are perpendicular

Step-by-step explanation:

The slope of the first one is the reciprocal of the second. Also I graphed it.

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Jack is using a hose to fill a cylinder-shaped dunk tank with water. If the dunk tank is six feet tall and has a diameter of six
nydimaria [60]

57 minute will take to fill the tank.

Solution:

Height of the cylinder = 6 ft

Diameter of the cylinder = 6 ft

Radius of the cylinder = 6 ÷ 2 = 3 ft

Volume of the cylinder = πr²h

                                      = 3.14 × 3² × 6

Volume of the cylinder = 169.56 cubic feet

Time taken to fill 3 cubic feet of water = 1 minute

Time taken to fill 169.56 cubic feet of water = \frac{169.56}{3}

                                                                         = 56.52 minute

                                                                         = 57 minute

Hence 57 minute will take to fill the tank.

3 0
3 years ago
Expand.<br> (x^2)(x^2-6)
Liono4ka [1.6K]

Answer:

This can be expanded to x⁴ - 6x²

Step-by-step explanation:

x^2(x^2 - 6)\\= x^4 - 6x^2

5 0
3 years ago
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After how many audio books will both book clubs cost the same amount.​
bulgar [2K]

Answer:

2 books

Step-by-step explanation:

10 + 5x = 16 + 2x

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10 + 3x = 16

-10          -10

3x = 6

/3    /3

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4 0
3 years ago
PLZ NEED HELP QUICK PLZ
scZoUnD [109]

Answer:

Slope = 3

Step-by-step explanation:

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So using any given pair of values from the table, say (1, 3), the slope is:

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Andre45 [30]
So ten tens = 100 so u multiply and u get 40 tens which are 400= 4 hundreds
6 0
3 years ago
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