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tamaranim1 [39]
3 years ago
9

I need help!!!!!!!!!!!

Mathematics
1 answer:
pashok25 [27]3 years ago
3 0

Account 2 = 80

Account 3 = -25

Account 4 = -40

b) He's broke.

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D/dx (5x4) - (2x³) - (x²)
My name is Ann [436]
\bf y=5x^4-2x^3-x^2\implies \cfrac{dy}{dx}=20x^3-6x^2-2
5 0
4 years ago
Jenny thinks that the expression below is equal to x²-4. If you agree, show that she is correct. If you disagree, show that she
sergiy2304 [10]

Answer:

Jenny is wrong the correct answer is x²+ 4 - 4 x.

Step-by-step explanation:

Given that

(x-2)³∕x-2

(x-2)³∕(x-2) =(x-2) (x-2)²∕(x-2)

(x-2)³∕(x-2) = (x-2)²

As we know that

(a-b)² = a²+b² - 2 ab

So

(x-2)² = x²+ 2² - 2 ˣ 2 ˣ x =  x²+ 4 - 4 x

(x-2)² =  x²+ 4 - 4 x

It means that

(x-2)³∕(x-2) = (x-2)² =  x²+ 4 - 4 x

So Jenny is wrong the correct answer is x²+ 4 - 4 x.

8 0
3 years ago
Select ALL the ratios that are equivalent to 8:6.
Marizza181 [45]

Answer:a

4:3

Step-by-step explanation: i hop this help

7 0
3 years ago
Miranda needs to cut strips of paper that are 1/8 of an inch. If she has piece of paper that is 7 and 3/4 inches long. How many
Sloan [31]

Answer:

62

if you turn 1/8 and 7 3/4 to decimals they turn into 1/8=0.125 and 7 3/4=7.75 and 7.75/0.125=62

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3 years ago
Factor completely <br><br>8y²+6y+1​
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(2y +1)(4y + 1) is the factored form
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