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Stells [14]
3 years ago
10

In math class, Sam said two different numbers can have the same absolute value. Is he right? Why or ehy not?​

Mathematics
1 answer:
Luba_88 [7]3 years ago
7 0
<h2>Answer:</h2><h2>Yes!.</h2><h2>If the domain is real number for each absolute value, there are two different one can have with same absolute value </h2>

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An engineer is trying to design a runway for an airport. He knows that airplanes have the ability to accelerate at 3.3 m/s ^ 2 a
chubhunter [2.5K]

Answer:

The proposed 1600 meters runway length is not long enough

Step-by-step explanation:

The given parameters are;

The amount by which a plane can accelerate = 3.3 m/s²

The time it takes for a plane to lift off the ground = 35 seconds

The length of the runway on the blueprint = 1,600 meters

Therefore, from the equation of motion for distance traveled, s, acceleration, a, and time taken, t, we have;

s = u·t + 1/2·a·t²

Where;

u = The initial velocity

t = 35 seconds

a = 3.3 m/s²

Given that all planes will start motion from rest, we have;

u = 0 m/s

Therefore;

s = 0 × 35 + 1/2 × 3.3 × 35² = 2021.25 meters

Which indicates that the length of the runway a plane would need for take off should be at least 2021.25 meters long, therefore, the blueprint's 1600 meters runway length is not long enough.

7 0
3 years ago
Factor 18 to prime numbers<br> 2 * 9<br> 3* 6<br> 2*3*7<br> 2*3*3
valina [46]

Answer:

Step-by-step explanation:

18 frime factorizarion is 2*3*3

because 18= 2 *9=2*3*3

5 0
3 years ago
7 students have 8 books each. Which helps you find the total number of books?
bija089 [108]

Answer:

7 × 8

Step-by-step explanation:

7 number of students × 8 books each student has 7 × 8 = 56

5 0
2 years ago
What is the solution or solutions of 2^x=7
alina1380 [7]
The answer is x=2.80735
4 0
3 years ago
Please can someone help me
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