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3 years ago

Which expression is even for all integers a and b?

Mathematics

2 answers:

jenyasd209 [6]3 years ago

4 0

Answer:

Pretty sure it's ab + ab

Step-by-step explanation:

Taking the test myself.. if it needs to be even for all integers and it doesn't give us numbers for a or b then ab + ab is the only "even for all integers"

Irina18 [472]3 years ago

3 0

Do u have a problem that went with this?

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3 years ago

What is (2n - 1) × 11

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Answer:

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Step-by-step explanation:

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3 years ago

Match the subtraction expressions to their solutions.

iogann1982 [59]

Answer:

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2 years ago

What number does 10 need to be divided by to make 5?

notsponge [240]

Answer:

Step-by-step explanation:

We can put this into an equation:

10/x=5

first, we multiply x on both sides:

10=5x

and then we divide by 5 on both:

2=x

so the answer is 2

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2 years ago

Read 2 more answers

I need help with this I don't understand this

Mandarinka [93]

Answer:

45.8

Step-by-step explanation:

We need to find the surface area for this entire figure!

We can see that this is a pyramid here - we must find the area of the 3 triangles and the base triangle at the bottom.

The 3 triangles building up the pyramid are all equal to each other.

To find the area of a triangle, use $Area = base*height/2$

$Area=3(\frac{5*7}{3} )+(\frac{5*4.3}{2})\\Area=35+10.75=45.75$

Round to the nearest tenth: 45.75 -> 45.8

4 0

3 years ago