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Mekhanik [1.2K]
3 years ago
14

In a pool at a water park, a dolphin jumps out of the water traveling at 24 feet per second. its height h, in feet, above the wa

ter after t seconds is given by the formula h = 24t - 16t2. find the height of a dolphin when t = 0.75 second. (enter your answer like this, for example: 14 feet)
Mathematics
1 answer:
AlladinOne [14]3 years ago
6 0
The answer is 10.13 feet
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2x+5y=-7 <br> 7x+y=-8 <br> Substitution <br> Algebra 1
melomori [17]

{x,y} = {-1,-1}

hope this helps

5 0
3 years ago
How can -6.75 + (10.25) be expressed as the sum of its integer and decimal parts
ArbitrLikvidat [17]

Answer:

 -6.75 + (10.25)    =  ( (-6)  + (10))  + ( (-0.75) + (0.25))

Here, the integer part  =     ( (-6)  + (10))

Decimal part =   ( (-0.75) + (0.25))

Step-by-step explanation:

Here, the given expression is:    -6.75 + (10.25)

Now, -6.75  = (-6)  +  (-0.75)

Also, (10.25)  = (10)  + (0.25)

So, the expression can be written as

 -6.75 + (10.25)  =  (-6)  +  (-0.75) +  (10)  + (0.25)

                           = ( (-6)  + (10))  + ( (-0.75) + (0.25))

or,   -6.75 + (10.25)    =  ( (-6)  + (10))  + ( (-0.75) + (0.25))

Where the integer part is    ( (-6)  + (10))

and the decimal part is  ( (-0.75) + (0.25))

3 0
3 years ago
If y=mx, and y is 12 when x is 4, then what is the constant of proportionality in this equation?A. 1/3B. 3C. 8D. 16
Anna007 [38]
\begin{gathered} y=mx\text{  when  x=4 and y=12} \\ 12=m(4) \\ 4m\text{ =12} \\ m=\frac{12}{4}=3 \end{gathered}

The constant of proportionality,m, is 3 (option B)

5 0
1 year ago
In a grocery store a $21 case of toilet paper is labeled, "Get a 20% discount." What is the discount? What is the sale price of
arsen [322]

Hi There!

Step-by-step explanation and Answer:

21 * 0.2 = $4.2 (Discount)

21 - 4.2 = $16.8 (Sale Price)

Hope This Helps :)

5 0
4 years ago
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Brian wants to build a ramp that leads to a storeroom 5 meters above the ground. He wants the ramp to be 10 meters long. What sh
Kamila [148]
You should have an angle of elevation of 30 degrees.
6 0
4 years ago
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