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3 years ago

Use models to prove that 3(a+b) is equivalent to 3a+3b

Mathematics

2 answers:

dimulka [17.4K]3 years ago

8 0

3 times a =3a and 3times b=3b you can do the rainbow

Allisa [31]3 years ago

3 0

Couldnt you just use the distributive property where you multiply 3 to A and multiply 3 to B which would equal 3a+3b

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Write down the next three terms in each sequence -8,-11,-14,-17

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3 years ago

Sam has a rectangular field whose length and breadth are in the ratio 8:7. He wants to fence the field with bamboo to make it an

USPshnik [31]

Answer:

Length = 200 m

Breadth = 175 m

Step-by-step explanation:

Perimeter of the rectangular field = Total cost ÷ rate per metre

= 12000 ÷ 16

= 750 m

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Length = 8x

Breadth = 7x

Perimeter = 750

2*(length + breadth) = 750

2*(8x + 7x) = 750

2* 15x = 750

30x = 750

x = 750/30

x = 25

Length = 8x = 8*25 = 200 m

Breadth = 7*25 = 175 m

8 0

2 years ago

Solve for x.<br> A) -7<br> C) 6<br> B) 9<br> D) 10

Mekhanik [1.2K]

Answer:

Step-by-step explanation:

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Half the length of the third side, that is

x + 31 = 2(x + 19)

x + 31 = 2x + 38 ( subtract x from both sides )

31 = x + 38 ( subtract 38 from both sides )

- 7 = x → A

5 0

2 years ago

Read 2 more answers

Simplify 5y^2 + 5y + 5y + 5x^2.

Ierofanga [76]

Answer:

5y^2 + 10y + 5x^2

Step-by-step explanation:

there's only two like terms that can be combined.

4 0

3 years ago

:(:(:(:(:(:(:(:(:(:(:(:(::(

frosja888 [35]

Answer:

Step-by-step explanation:

Let's simplify each term.

$(\frac{1}{4})^{2} = 0.0625$

$4^{3} =64$

$(4-1) = 3$

Now we multiply:

$0.0625*64*3 = 12$

Hope this helps!

3 0

2 years ago

Read 2 more answers