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aksik [14]
3 years ago
10

How to do long division

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
5 0
For example 20 divide by 5 you would see how many times 5 can go into 20 so then you realize 5 goes into 20, 4 times. So to do division you must figure out the reverse of it so you must know how to multiply. You start by multiplying 5 times 1 and until you reach your answer. If you have a times table sheet. You must follow the number being divided into the bigger number until you see the big number.

Hope this helps.<span />
Setler [38]3 years ago
4 0
Step.1:"How many time do I have to divide"
Step 2:"Multiply"
Step 3:"subtract"
Step 4:Drop it down
Step 5:"If nessisary" Repeat
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How do perform the equation x-(4x-2y)-5y
cluponka [151]

Answer:

-3x - 7y

Step-by-step explanation:

x - (4x - 2y) - 5y

x - 4x - 2y - 5y

Combine like terms

x - 4x = -3x

-2y - 5y = -7y

Now, we have our final answer:

-3x - 7y

7 0
2 years ago
An object is launched at 29.4 meters per
Lerok [7]

Answer:

The reasonable domain for the scenario is option 'a';

a) [0, 7]  

Step-by-step explanation:

For the projectile motion of the object, we are given;

The speed at which the object is launched, v = 29.4 meters per second

The height of the platform from which the object is launched, h = 34.3 meter

The equation for the height of the object as a function of time 'x' is given as follows;

f(x) = -4.9·x² + 29.4·x + 34.3

The domain for the scenario, is given by the possible values of 'x' for the function, which is found as follows;

At the height from which the object is launched, x = 0, and f(x) = 34.3

At the ground level to which the object can drop, f(x) = 0

∴ f(x) = -4.9·x² + 29.4·x + 34.3 = 0

-4.9·x² + 29.4·x + 34.3 = 0

By the quadratic formula, we have;

x = (-29.4 ± √(29.4² - 4 × (-4.9) × 34.3))/(2 × (-4.9)

∴ x = -1, or 7

Given that time is a natural number, we have the reasonable domain for the scenario as the start time when the object is launched, t = 0 to the time the object reaches the ground, t = 7

Therefore, the reasonable domain for the scenario is; 0 ≤ x ≤ 7 or [0, 7].

4 0
3 years ago
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son4ous [18]

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Valentin [98]

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Step-by-step explanation:

i took the test >:).

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2 years ago
4 to the power of 2 -3 (7+4)
leva [86]

Answer:

-17

Step-by-step explanation:

8 0
3 years ago
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