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3 years ago

How to do long division for 2400 divided by 2.5.

Mathematics

1 answer:

defon3 years ago

3 0

Answer:

960

Step-by-step explanation:

1) multiply both numbers by 10 so you no longer have a decimal

2) use long division to divide the new numbers

3)24000÷25=960

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4x + 8y = 20 -4x + 2y = -30

zaharov [31]

Ignore what is scribbled out but I hope this helps!

5 0

3 years ago

Which amount is larger and by how much?

Solnce55 [7]

Answer:

a*(1 -0.5)*(1 +0.5) = 0.75a . . . . the original number "a" is larger

(a/(0.75a) -1) * 100% = 33 1/3% . . . . the original number is larger by 33 1/3% of the revised number

Step-by-step explanation:

3 0

3 years ago

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Katy and Jane construct a four-sided wall to surround their castle. The wall has a perimeter of

PilotLPTM [1.2K]

Answer:

The correct length is 34 feet.

Step-by-step explanation:

Let us assume that the wall created is a rectangle ABCD as shown in the attached image.

We know that opposite sides of a rectangle are equal.

Perimeter of a closed figure is calculated by adding all the sides of the figure.

Here, from the figure, the perimeter is : AB + BC + CD + DA

AB and CD are equal to length.

BC and DA are equal to width.

So,

$Perimeter = 2 \times (length + width) ....... (1)$

Here, we are given that perimeter is 100 feet and width = 16 feet

Putting values in equation (1):

$100 = 2 \times (16 + length)\\\Rightarrow 50 = 16 + length \\\Rightarrow length = 34 feet$

Hence, length is 34 feet.

5 0

3 years ago

Choose the correct simplification of (4x3 + 3x2 − 6x) − (10x3 + 3x2).

Ray Of Light [21]

Answer:
-6x (x + 1)(x - 1)

Explanation:
Before we begin, remember the following:
(-ve) * (-ve) = +ve
(-ve) * (+ve) = -ve
(+ve) * (+ve) = +ve
(+ve) * (-ve) = -ve
a² - b² = (a + b)(a - b)

Now, for the given:
(4x³ + 3x² - 6x) - (10x³ + 3x²)
First, we eill remove the brackets based on the rules mentioned above. This will give us:
4x³ + 3x² - 6x - 10x³ - 3x²
Now, we will combine like terms as follows:
(4-10)x³ + (3-3)x² - 6x
-6x³ - 6x
Taking -6x as a common factor:
-6x (x² - 1)
Factoring the bracket as difference between two squares will give us the final simplest form:
-6x (x + 1)(x - 1)

Hope this helps :)

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3 years ago

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Free 20 point just answer this randomly! How do you train dinosaur to sit!

AlekseyPX

You don’t I really don’t know though you can try

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3 years ago

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