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3 years ago

Write 680,750 in expanded form

Mathematics

2 answers:

Nataly [62]3 years ago

8 0

In expanded form, the answer would look like this:

600,000 + 80,000 + 700 + 50

Rama09 [41]3 years ago

3 0

600,000+80,000+700+50

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A volleyball reaches its maximum of 13 feet, 3 seconds after it is served. What quadratic formula could model the height of the

Katena32 [7]

Answer:

$H=-(t-3)^2+13$

Step-by-step explanation:

The path covered by the volleyball will be a downward parabola with the vertex being the highest point of the ball.

A general form of a downward parabola is given as:

$y=-a(x-h)^2+k$

Where $(h,k)$ is the vertex of the parabola and 'a' is a constant.

Now, let 'h' be the vertical height and 't' be the time taken.

So, the equation would be of the form:

$H=-a(t-h)^2+k$

Now, as per question:

h = 2 seconds, k = 13 feet.

$H=-a(t-3)^2+13$

Now, taking a = 1. So, the formula that can be used is:

$H=-(t-3)^2+13$

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3 years ago

1/2 divided by 2/3 =

Sergio039 [100]

3/4. Keep change flip. 1/2 x 3/2 = 3/4

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3 years ago

const2013 [10]

35 x 0.14 = 4.9

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3 years ago

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Solve the equation<br> 7h-5(3h-8) = 72

frosja888 [35]

Answer:

h = -4

Step-by-step explanation:

7h-5(3h-8) = 72

Distribute

7h - 15h +40 = 72

Combine like terms

-8h +40 = 72

Subtract 40 from each side

-8h+40-40 = 72-40

-8h = 32

Divide each side by -8

-8h/-8 = -32/-8

h = -4

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pav-90 [236]

Answer:

2:5

Step-by-step explanation:

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3 years ago