3 years ago

Can someone help me? Thanks! :)

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

8 0

Answer:

uuh The a is equal to 16

Step-by-step explanation:

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Bx-6y=18 and 2x-3y=9

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X - 6y=18
2x-3y=9 |*-2

x -6y=18
-4x+6y=-18
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-3x=0, x=0

2x-3y=9
2*0-3y=9
-3y=9, y=-9/3, y= -3

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4 years ago

Calculate the average rate of change for the given graph from x = 0 to x = 3 and select the correct answer below. (0,6) (3,0)

algol13

Answer:

(3,0)

Step-by-step explanation:

The number on the x axis is the only number that changes not the number on the y axis.

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3 years ago

If the area of the triangle is 10 cm squared, what is the missing height?

just olya [345]

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Step-by-step explanation:

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3 years ago

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How many times does 6 go into 96 by steps

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4 years ago

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The oxygen consumption (in milliliter per pound per minute) for a person walking at x mph is approximated by the function f(x)=\

Oliga [24]

Answer: Speed = 5.6 mph

Oxygen consumption = 71.6 mL/lb/min

Step-by-step explanation: For the oxygen consumption to be the same, functions must be equal:

f(x) = g(x)

$\frac{5}{3}.x^{2} + \frac{5}{3}.x+10=11x+10$

Resolving:

$\frac{5}{3}.x^{2} + \frac{5}{3}.x - 11x =0$

$\frac{5}{3}x^{2} + \frac{5}{3}x - \frac{33x}{3}=0$

$\frac{5}{3}x^{2} - \frac{28x}{3}=0$

$\frac{x}{3}(5x - 28)=0$

$\frac{x}{3} = 0$

x=0

5x - 28 = 0

$x = \frac{28}{5}$

x = 5.6

The speed when the oxygen consuption is the same is 5.6 mph.

For the level of oxygen consumption:

f(5.6) = g(5.6)

g(5.6) = 11*5.6 + 10

g(5.6) = 71.6

The level of oxygen consumption is 71.6 mL/lb/min

3 0

3 years ago