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Ostrovityanka [42]
2 years ago
5

What is thr answer of (a-b) (a+2b)​

Mathematics
1 answer:
kari74 [83]2 years ago
3 0

Answer:

Step-by-step explanation:

Use FOIL method

F -> First

O Outside

I inside

L Last

(a - b)(a + 2b)= a*a + a *2b + (-b)*a + (-b)*2b

                     = a² + <u>2ab - ab</u> - 2b²

Combine like terms

                       = a² + ab - 2b²

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The double number line shows that 4 bottles of water cost 10 dollars at a music festival ​
pickupchik [31]

Answer:

That means that each water is $2.50, das crazy tho

Step-by-step explanation:

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3 years ago
Two-digit natural numbers are formed, with replacement, from the digits 0 through 9.
alexdok [17]

Answer:

The first digit of a two digit number can be any of digits 1 - 9. It cannot be 0 though. Therefore there are 9 possible digits for the first place.

There are 5 possible digits for the second position. The two digit number has to be odd and therefore the final digit must be 1,3,5,7 or 9

Therefore for each and every one of the nine first digits there are 5 digits that the second can be.

Therefore ANSWER = 9 * 5 = 45 possible permutations.

2. The largest two digit number = 99

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7 0
3 years ago
Read 2 more answers
Set F1 = 5N at 0 degrees, F2= 5N at 90 degrees, F3 = 5N at 270 degrees and run the simulation. Using trigonometry, what net forc
Mrac [35]

Answer: find the solution in the explanation

Step-by-step explanation:

Let's use resolution of forces by resolving into x - component and y- component.

X - component.

Sum of forces = F1 - F3 - F4cos 15

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Y - component

Sum of forces = F2 + F4 sin 15

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F4 = -5/0.26

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Simulating F4 back into the equation

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Cos Ø = 0

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Answer:

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Step-by-step explanation:

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Round the decimal number to the nearest hundredth 56192
ira [324]

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Step-by-step explanation:

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