3 years ago

Fine the distance between the points A(2,-1) & B(-4,2)

Mathematics

1 answer:

nalin [4]3 years ago

8 0

Answer is below........

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2 years ago

Prove the polynomial identity.

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Answer:

Proven

Step-by-step explanation:

We prove the polynomial with factorization. We must first simplify the expression before we can factorize:

$(4\cdot{x^2}-2)\cdot{(4\cdot{x^2}-2)}-16\cdot{x^4}$

$16\cdot{x^4}-8\cdot{x^2}-8\cdot{x^2}+4-16\cdot{x^4}$

$4-16\cdot{x^2}$

4 is the common number and we can take it out of the expression:

$4\cdot{(1-4\cdot{x^2})}$

We can factorize further with the x term being zero. For this to be true we must have -2x and 2x to cancel out and therefore the expression is proven:

$4\cdot{(1-2\cdot{x})}\cdot{(1+2\cdot{x})}$

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2 years ago

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2 years ago

Dividing Decimals by Decimals Word Problems

LuckyWell [14K]

Answer:

speed = distance÷time 48.7÷1.2 = 40.58

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2 years ago

Help please it’s due in 20 minutes

blagie [28]

Answer:

X = 34 (by Pythagoras theorem)

STEP BY STEP:

(30) ^2 +(16)^2 =1156

Root 1156 =34

I hope it helps :))

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2 years ago