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2 years ago

1 - 4/7 or one minus 4 over seven

Mathematics

2 answers:

Masja [62]2 years ago

4 0

1- 4/7 is the correct answer

Svet_ta [14]2 years ago

3 0

1 - 4/7 is it I believe

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3x+2y=8 how to solve

GarryVolchara [31]

8-3x
Divide the whole thing by 2 so it would be y=4-1.5x

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2 years ago

Which direction does the graph of f(x) = −18 + x2 − 3x open?

Mekhanik [1.2K]

Please write this equation as f(x) = −18 + x^2 − 3x

Rewrite it in descending order by powers of x: f(x) = x^2 - 3x - 18

Since the coefficient of the x^2 term is +, the graph opens UP.

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2 years ago

Order the numbers from the least to greatest 19/6, 47/14, 83/2 Thx!

ElenaW [278]

I would change the fractions to decimals so that I could see least to greatest.

19/6=3.17

47/14=3.36

83/2=41.5

Least to greatest:

19/6, 47/14, 83/2

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3 years ago

Tom throws a ball into the air. The ball travels on a parabolic path represented by the equation , where represents the height o

tigry1 [53]

Answer:

2.5 second

Step-by-step explanation:

The equation is missing in the question.

The equation is, $h=-8t^2+40t$ , where 'h' is the height and 't' is time measured in second.

Now we know to reach its maximum height, h in t seconds, the derivative of h with respect to time t is given by :

$\frac{dh}{dt} =0$

Now the differentiating the equation with respect to time t, we get

$\frac{dh}{dt}=\frac{d}{dt}(-8t^2+40t)$

$\frac{dh}{dt}=-16t+40$

For maximum height, $\frac{dh}{dt} =0$

So, $-16t+40=0$

$\Rightarrow 16t=40$

$\Rightarrow t=\frac{40}{16}$

$\Rightarrrow t = 2.5$

Therefore, the ball takes 2.5 seconds time to reach the maximum height.

7 0

2 years ago

-12 + 2a = -6(1 + a) + 8a

valkas [14]

-12 + 2a = -6 (1+a)?
Answer is 0 = 6

8 0

1 year ago