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3 years ago

How can you tell if 1245 is divisible by3 and by 0?

2 answers:

3 0

First check if the first two digits are divisible by 3 (45 / 3 = 15 So yes it is) And then if the first two are divisible by 3, then check if the next two are divisible by three, (12 / 3 = 4 ) Yes, so if both are, then yes the answer is divisible by three.

Stels [109]3 years ago

3 0

Dividing........,,..,..,

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Solve for y in 3(2y-4)=8y+9-9y

8090 [49]

3(2y - 4) = 8y + 9 - 9y

Distribute 3:

6y - 12 = 8y + 9 - 9y

Combine like terms:

6y - 12 = -y + 9

Add y to both sides:

7y - 12 = 9

Add 12 to both sides:

7y = 21

Divide both sides by 3:

y = 3

3 0

3 years ago

Read 2 more answers

HELPP AGAIN PLEASE!! 2/5 (10c -35) (the 35 is negative)

Zina [86]

Answer:

4c - 14

Step-by-step explanation:

2/5 (10c -35)

Distribute

2/5 * 10c - 2/5 * 35

4c - 14

7 0

3 years ago

Read 2 more answers

Mr. Johnson is working on constructing a square table for his classroom. He positioned his design on a coordinate grid, as shown

sasho [114]

Answer:

This is proved with the help of slope.

Step-by-step explanation:

Given Mr. Johnson is working on constructing a square table for his classroom. He positioned his design on a coordinate grid, as shown. Mr. Johnson will need to put a brace through each diagonal of the table in order to secure the table's stability.

Now, if Johnson use more than one brace then we have to prove that the braces will intersect at a right angle.

From the figure we have to prove the diagonals AC and BD are at right angle. To prove above we have to find the slopes of both diagonals.

$\text{Slope of AC=}\frac{y_2-y_1}{x_2-x_1}=\frac{-5-2}{4-(-3)}=\frac{-7}{7}=-1$

$\text{Slope of BD=}\frac{y_2-y_1}{x_2-x_1}=\frac{2-(-5)}{4-(-3)}=\frac{7}{7}=1$

$\text{Product of their slopes=}-1\times 1=-1$

As we know, In a coordinate plane, the slopes of perpendicular lines are opposite reciprocals of each other i.e their product is equals to -1.

⇒ AC and BD are perpendicular

⇒ Braces which put through each diagonal intersect at right angle and the table will stable.

8 0

3 years ago

3.What mathematical property is used to get the resulting

Alik [6]

Answer:

what is the condition of loss ?1)sp>mp 2)CP>sp 3) sp>CP 4)mp>spThe UN has 4 main purposesTo keep peace throughout the world;To develop friendly relations among nations;To help nations work together to improve the lives of poor people, to conquer hunger, disease and illiteracy, and to encourage respect for each other’s rights and freedoms;To be a centre for harmonizing the actions of nations to achieve these goals

Principles of United Nations

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These principles include the equality and self-determination of nations, respect of human rights and fundamental freedoms and the obligation of member countries to obey the Charter, to cooperate with the UN Security Council and to use peaceful means to resolve conflicts.

https://en.m.wikipedia.org › wiki

Chapter I of the United Nations Charter - Wikipedia

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