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a_sh-v [17]
3 years ago
5

Solve the system of equations algebraically. Plot the x-value and the y-value on the number line. Estimate to the nearest tenth

if necessary.
Please help quick. I will give 99 points and brainliest if you get correct

Mathematics
1 answer:
Fiesta28 [93]3 years ago
8 0

See the attached picture

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Water is launched straight up out of a fountain so that the water droplets return to the ground after about 6 s. What is the ini
Reptile [31]

Answer:

The initial velocity is 314.88 ft/s

The maximum height reached is 144 meter.

Step-by-step explanation:

The total time period is 6 seconds for the raindrop.

Using the equation of motion by differentiating h(t) to give v(t),

<em>v(t) = -32(t) + 96</em>

<em>at t=0, v(0) = 96 m/sec = 314.88 ft/sec</em>

It is given that,

h(t) = (-16)(t^{2}) + 96t

differentiating we get

<em>v(t) = -32(t) + 96</em>

at highest point, v=0;

thus gives us highest point achieved at t=3 seconds.

Height at t=3 seconds is,

<em>h(t) = (-16)(t^{2}) + 96t =  (-16)(3^{2}) + 96(3) = 144 m</em>

3 0
3 years ago
22 less than 6 times a number is 92. What is the number?
Romashka [77]

Answer:

n=19

Step-by-step explanation:

6n - 22 = 92

    + 22 +22

----------------------

<u>6n</u> = <u>114</u>

6      6

n = 19

4 0
3 years ago
Need help on my math test!
enyata [817]
3.14 :)))))dhebebdbdbdbfnbf
3 0
3 years ago
Find all rational roots for p(x)=0
Olenka [21]

Answer

C. (5/2, -1/3)

Step by step explanation

Here we use the rational root theorem.

The possible roots are

+1, +3, +5, +15, +1/2, +3/2, +5/2, +15/2, +1/3, +5/3, +1/6 and +5/6

We have to use the synthetic division to find the correct root of this function.

Here the roots are 5/2 and -1/3

Others are not roots of this function.

Let's check x = 5/2  with synthetic division.

5/2)   6   -13   13   -39   -15

-               15    5    45    15

           --------------------------

             6     2   18     6     0

Similarly x = -1/3 is also root of this function.

Answer: C. (5/2, -1/3)


8 0
3 years ago
-2a-10+a=-28 please help me
Svetradugi [14.3K]

Answer:

a=18

Step-by-step explanation:

-2a-10+a=-28

-1a-10=-28

+10 +10

-1a=-18

divide by -1

a=18

6 0
3 years ago
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