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blondinia [14]
3 years ago
12

I only have 8 minutes left please help!!! The expression h(x)= -5x2 + 25x + 70 can be used to estimate the height(h), in meters,

of a toy rocket x seconds after it is launched from
a platform. Substitue 0 for h in the equation, and determinehow many seconds it will take for the rocket to hit the ground? Enter the
answer that makes the most real world sense for the scenario described.

Mathematics
1 answer:
rewona [7]3 years ago
8 0
Hence x is 7 seconds

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Which number has 3 significant<br> figures?<br> A. 15.233<br> B. 153.2<br> C. 5.24399<br> D. 57.2
JulijaS [17]

Answer:

b because it is

Step-by-step explanation:

153.2 is a cool number

3 0
2 years ago
Which equation matches the graph of the greatest integer function given
bekas [8.4K]

The equation that matches the graph of the greatest integer function is y = [x] - 2

<h3>How to determine the equation?</h3>

The parent function of an step function is represented as:

y = [x]

From the given graph, we can see that the lines are shifted 2 units down.

This means that:

(x,y) = (x,y - 2)

So, we have:

y = [x] - 2

Hence, the equation that matches the graph of the greatest integer function is y = [x] - 2

Read more about step function at:

brainly.com/question/4074174

#SPJ1

6 0
2 years ago
6.
Taya2010 [7]

Answer:

Hi myself Shrushtee.

Step-by-step explanation:

Actually which is the answer that option is not mentioned here so l may give my possible answer is:

A = {1,2,4,5,a,b,c,d,e}

Please mark me as brainliest.

6 0
3 years ago
Can someone plz help me with these two?
dedylja [7]

Answer:

first problem is the second one, second problem is the third one

Step-by-step explanation:

for the first problem, just write out the equation (x-1)(x-2)(x+2)(x+3) and multiply them to get the answer

for the second problem, just factor it and you should get 3x(x+2)(x+3)

5 0
3 years ago
Help need help on slopes
arsen [322]

Answer:

Y= 5/6x+5

Step-by-step explanation:

Okay same as before

the slope is rise over run

The rise is 5

The run is 6

So 5/6

And since ts rising from left to right its positive

The y-intercept which is the first point the line touches the Y axis is 5

So y=5/6x+5

7 0
3 years ago
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