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iVinArrow [24]
3 years ago
9

PLEASE ANSWER QUICKLY

Mathematics
1 answer:
Travka [436]3 years ago
3 0

Answer:

63 :)

Step-by-step explanation:

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WILL MARK BRANIEST: If the magnitude of the block's acceleration is 1.5 m/s2, what is the mass of the block? Show your work. (Th
puteri [66]

Answer:Answer:

F = 0.84 [N]

Explanation:

In order to solve this problem we must take into account Newton's second law, which tells us that the sum of all forces applied on a body must be equal to the product of the mass of the body by its acceleration.

F = m*a

where:

F = force [N]

a = acceleration = 1.4[m/s^2]

m = mass = 0.6 [kg]

F = 0.6*1.4

F = 0.84 [N]

8 0
3 years ago
Is 3 a factor of 20b - 10?<br> yes<br> no<br><br><br> HELP ASAP
ohaa [14]

Answer:

No. To factor the answer would be 10(2b-1)

Step-by-step explanation:

Factor  10  out of  20b − 10.

Hoped this helped!

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7 0
3 years ago
Find the number of real number solutions for the equation. x2 + 9x + 20 = 0
fiasKO [112]

x^2 + 9x + 20 = 0 \\ x^2+4x+5x+20=0\\ x(x+4)+5(x+4)=0\\ (x+5)(x+4)=0\\ x=-5 \vee x=-4

6 0
3 years ago
To solve this system of equations by elimination what operation would we use to eliminate the X variable and find the value of y
Vadim26 [7]

Answer:

Option A is correct.

Step-by-step explanation:

We have to eliminate x from the given system of equations by solving

-6x -4y=2

-4x-7y=2

We can do this by subtracting 3 times the second equation from 2 times the first equation we get

-12x -8y = 2

12x +21y =- 2

Sign of second equation changed because it is getting  subtracted

Since, we got same quantity of x with opposite signs

Hence, it will get cancelled and so eliminated.

Therefore, Option A is correct.

5 0
3 years ago
Evaluate each expression |18|
igor_vitrenko [27]
That equals 18 since the distance from zero is 18.


Hope i'm the brainliest!
4 0
4 years ago
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