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3 years ago

What is the simplest form of this expression -2b(-5b+4)-4b^2

Mathematics

1 answer:

Nostrana [21]3 years ago

5 0

Answer:

-23b + 4

Step-by-step explanation:

Add the like terms. those would be: -2b - 5b -4b2 notice they all have a b in it. Its like having x amount of bananas and 4 apples, they arent the same, so you cant add those together. Use our handy dandy tiger algebra website and we get -23b. We still have the 4, so, -23b + 4. Thats your answer.

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PLEASE HELP !!!!

Eva8 [605]

The first answer is A because (b+6) represents the sidewalk length. (With the pool length and the two corners, which equal 3 ft each.) Then, the sidewalk width would be (h+6) for the same reason. Multiply them and get the pool area plus the sidewalk area. But you only need the sidewalk area so you would subtract the pool area from the whole area, to get (b+6)(h+6)-bh, or A in the end.

Unfortunately, I do not know the answers to the rest of the problems. I still hope this helped though!

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3 years ago

Determine whether the following statements are always true, sometimes true, or never true.

quester [9]

Answer:

a= true

b=never

c=true

d=never

e=true

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3 years ago

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daser333 [38]

Answer:

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3 years ago

Linda and Juan went shopping. Linda spent $14 less than Juan. If we let y represent how much Juan spent, write an algebraic expr

algol13

Answer:

An Algebraic expression representing amount spent by Linda is $y-14$ .

Step-by-step explanation:

Given:

Let the amount spent by Juan be 'y'

Now Given:

Linda spent $14 less than Juan.

We need to find an algebraic expression for how much Linda spent.

Solution;

It is given that Linda spent $14 less than Juan.

So we can say that Amount spent by Linda will be equal to amount spent by Juan minus 14.

framing in equation for we get;

Amount spent by Linda = $y-14$

Hence An Algebraic expression representing amount spent by Linda is $y-14$ .

7 0

3 years ago

Two rectangular sandwiches lie on a plate (the top view is shown). Can they be cut with just one straight cut into two equal par

Mila [183]

Answer: NO

Step-by-step explanation: The sandwiches are at different angles, so you would need two different cuts to make two equal parts each.

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3 years ago