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Law Incorporation [45]
3 years ago
6

A matter of rocket is launched into the air from ground level. The height in feet is modeled by PX equals -16+30 to ask where ex

es a number of a lapse seconds. What is the total number of seconds of the model rocket will be in the air.A model rocket is launched into the air from ground level. The height and feet is modeled by P(x)=-16x^2+30x to ask where exes and number of the lapse seconds. What is the total number of seconds of the model rocket will be in the air.
Mathematics
1 answer:
irga5000 [103]3 years ago
8 0
I got no idea cuz that’s not my kinda math you know what I’m say
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the number of kilometers a car can drive varies directly with the liters of fuel in the car. this car can travel 476 kilometers
notka56 [123]

For this case we have that the relationship is direct.

Therefore, we have:

y = k * x

Where,

y: distance traveled in kilometers

x: number of liters of fuel

k: proportionality constant

We must look for the value of k. For this, we use the following data:

This car can travel 476 kilometers on 17 liters of fuel.

Substituting values we have:

476 = k * 17

From here, we clear the value of k:

k = \frac{476}{17}\\k = 28

Therefore, the relationship is:

y = 28x

For 1428 kilometers we have:

1428 = 28x

Clearing the amount of fuel we have:

x = \frac{1428}{28}\\x = 51

Answer:

51 liters of fuel are required for the vehicle to travel 1,428 kilometers

3 0
3 years ago
the area of a rectangle is 95 square yard. if the perimeter is 48 yards find the length and width of rectangle
Vladimir [108]
Try this option:
according to the condition w+l=48 and w*l=95.
Using these two equation:
\left \{ {{l+w=48} \atop {lw=95}} \right. \ =\ \textgreater \  \   \left[\begin{array}{ccc}l=24- \sqrt{481};w=24+ \sqrt{481}\\ \\l=24+ \sqrt{481};w=24- \sqrt{481}\end{array}
4 0
3 years ago
Find the mean of the boys
gladu [14]

Answer:

14 is the mean of boys

Step-by-step explanation:

8 0
3 years ago
A flock of geese is flying north for the summer while a bird watcher is observing. He notices that they are flying in the shape
nata0808 [166]

Answer:

y = -¼│x − 5│+ 3

Step-by-step explanation:

y = a│x − h│+ k

(h, k) is the vertex of the absolute value graph.  In this case, it's (5, 3).

y = a│x − 5│+ 3

One point on the graph is (1, 2).  Plug in to find the value of a.

2 = a│1 − 5│+ 3

2 = 4a + 3

a = -¼

Therefore, the graph is:

y = -¼│x − 5│+ 3

4 0
3 years ago
A squirrel sits on top a 14-foot tall tree. he spies an acorn on the ground some distance away. after careful measurements, he d
sattari [20]

Answer: tangent

Step-by-step explanation:

In relation to the 74-degree angle, you have the adjacent side and the opposite side.

6 0
2 years ago
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