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kondor19780726 [428]

3 years ago

8

How do you solve a TWO DIGIT BY THREE DIGIT DIVISION PROBLEM

2 answers:

Serjik [45]3 years ago

5 0

150
x12

2x0 =0 2 times 5 is 10 you carry the one and 2x1=2 + the one you carried so its 3 now put those in order 300 now do 1 times 150 it would be 150 but when you multiply the last number you always put a zero in the ones place then the number so the answer would be 1500 plus 300= 1800
1800 would be the answer

Mars2501 [29]3 years ago

4 0

First you have to know that the biggest number goes in the inside of the box and the small on the outside of the box. Then you see if that number can go into the inside number evenly. And if not you have to see how many times it can go into there then put it on top of the box over the number we used. Then subtract

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8 0

4 years ago

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The perimeter of a triangle is 300 m . If its sides are in the ratio 3:5:7. Find the area of the triangle.

nalin [4]

Answer:

<em><u>If </u></em><em><u>the </u></em><em><u>perimeter</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>3</u></em><em><u>0</u></em><em><u>0</u></em><em><u>m</u></em>

<em><u>let </u></em><em><u>the </u></em><em><u>ratio </u></em><em><u>be </u></em><em><u>in </u></em><em><u> </u></em><em><u>x </u></em>

<em><u>a/</u></em><em><u>q</u></em><em><u>. </u></em>

<em><u>3</u></em><em><u>x</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>5</u></em><em><u>x</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>7</u></em><em><u>x</u></em><em><u>. </u></em><em><u>=</u></em><em><u> </u></em><em><u>3</u></em><em><u>0</u></em><em><u>0</u></em><em><u>m</u></em>

<em><u>1</u></em><em><u>5</u></em><em><u>x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>3</u></em><em><u>0</u></em><em><u>0</u></em>

<em><u>x </u></em><em><u>=</u></em><em><u> </u></em><em><u>3</u></em><em><u>0</u></em><em><u>0</u></em><em><u>/</u></em><em><u>1</u></em><em><u>5</u></em>

<em><u>x </u></em><em><u>=</u></em><em><u> </u></em><em><u>2</u></em><em><u>0</u></em>

<em><u>hence</u></em><em><u> </u></em><em><u>angles </u></em><em><u>are </u></em>

<em><u>6</u></em><em><u>0</u></em><em><u> </u></em><em><u>,</u></em><em><u> </u></em><em><u>1</u></em><em><u>0</u></em><em><u>0</u></em><em><u> </u></em><em><u>and </u></em><em><u>1</u></em><em><u>4</u></em><em><u>0</u></em>

<em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em>

6 0

3 years ago

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What is the surface area of a sphere with a diameter of 12 centimeters ?

nasty-shy [4]

Answer:

$A=452.39\ cm^2$

Step-by-step explanation:

The formula to calculate the surface area of a sphere is the following:

$A=4\pi r^2$

Where A is the area of the sphere and r is the radius of the sphere.

In this case we know that the diameter d of the sphere is:

$d = 12\ cm$

The diameter is:

$d = 2r$ .

Thus

$r = \frac{d}{2}\\\\r = \frac{12}{2}\\\\r=6\ cm$

Then the surface area of the sphere is:

$A=4\pi (6)^2\\\\A = 144\pi\ cm^2\\\\A=452.39\ cm^2$

7 0

3 years ago

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