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jok3333 [9.3K]
3 years ago
15

Which value for n makes the equation n -12= 26 true

Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0
N would have to be 38
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NEED HELP please and thank you hehe
Lesechka [4]

Answer:

113

Step-by-step explanation:

it's the x outside right?

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3 years ago
If AB = 21 centimeters, and BC = 28 centimeters, which does AC equal?
Bad White [126]

yup the answer would be c have a nice day :)

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Find the unit rate, and then use it to solve the problem.
Sergio [31]
If the company makes 50 deliveries in 5 days, he makes 50/5=10 deliveries per day.  Therefore, 400 deliveries will take 400/10=40 days.  D is the correct answer.
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What is (x² + 7x + 6) divided by (x + 1)?<br>X-6<br>- 7<br>X + 6<br>x + 7<br>need answer ASAP​
hram777 [196]

Answer:

Step-by-step explanation:

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7 0
3 years ago
A body moves s metres in a time t seconds so that s = t3 – 3t2 + 8. Find:
Lady bird [3.3K]

Using derivatives, it is found that:

i) v(t) = 3t^2 - 6t

ii) 9 m/s.

iii) a(t) = 6t - 6

iv) 6 m/s².

v) 1 second.

<h3>What is the role of derivatives in the relation between acceleration, velocity and position?</h3>
  • The velocity is the derivative of the position.
  • The acceleration is the derivative of the velocity.

In this problem, the position is:

s(t) = t^3 - 3t^2 + 8

item i:

Velocity is the <u>derivative of the position</u>, hence:

v(t) = 3t^2 - 6t

Item ii:

v(3) = 3(3)^2 - 6(3) = 27 - 18 = 9

The speed is of 9 m/s.

Item iii:

Derivative of the velocity, hence:

a(t) = 6t - 6

Item iv:

a(2) = 6(2) - 6 = 6

The acceleration is of 6 m/s².

Item v:

t for which a(t) = 0, hence:

6t - 6 = 0

6t = 6

t = \frac{6}{6}

t = 1

Hence 1 second.

You can learn more about derivatives at brainly.com/question/14800626

7 0
2 years ago
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