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Natalka [10]
3 years ago
15

-1, Calculate the 16th term in the Geometric Sequence: 3,-9, 27, ....

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

=1y -2z

Step-by-step explanation:

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Need help plzz!!!!!!!
alexira [117]

Answer: D. Student 3  

Because:

13 out of 20 = 65%

7 out of 10 = 70%

1 out of 4 = 25%

5 0
3 years ago
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A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th
Mashutka [201]

Here is the full question

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 100th of second.

Equation:

y=-16x^2+153x+98

Answer:

10.2 seconds

Step-by-step explanation:

Given equation :

y=-16x^2+153x+98 shown the expression of a quadratic equation

Let y =0

∴

0 = -16x^2+153x+98

where;

a=-16\\b=153\\c=98

Using the quadratic formula:

x=\frac{-b\±\sqrt{b^2-4ac}}{2a}

replacing it with our values; we have:

x=\frac{-153\±\sqrt{153^2-4(-16)(98)}}{2(-16)}

x=\frac{-153\ + \sqrt{153^2-4(-16)(98)}}{2(-16)}    OR     x=\frac{-153\ - \sqrt{153^2-4(-16)(98)}}{2(-16)}

x_1=10.17   OR     x_2=-0.60

Hence, we go by the positive value since,  is the time that the rocket will hit the ground.

x= 10.17

x = ≅ 10.2 seconds

Therefore, the rocket will hit the ground,  to the nearest 100th of second.  = 10.2 seconds

6 0
3 years ago
What number makes the equation true? Enter the answer in the box. 4= 36 - N​
Sophie [7]

Answer:

as i see

the answer is 32.....

3 0
3 years ago
Describe an event that has a probabilty of 0% and an event that has a probability of 100%
Svetach [21]

Answer:

picking a red marble from a bag of only white and green marbles 0% picking a red marble from a bag of only red marbles 100%

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
on a field trip, 2 vans can carry 32 students. How many students can go on a field trip when there are 6 vans?
kolezko [41]

Answer:  96 students

=============================================

Work Shown:

(2 vans)/(32 students) = (6 vans)/(x students)

2/32 = 6/x

2x = 32*6

2x = 192

x = 192/2

x = 96 students

----------

Another way to look at it:

2 vans carry 32 students. That must mean each van carries 32/2 = 16 students assuming all vans carry the same amount of people.

So 6 vans would carry 6*16 = 96 students

This excludes the driver for each van.

3 0
2 years ago
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