3 years ago

Find the difference between the polynomials:–3x+x3–2x2 and 4x3–2x2–4x

Mathematics

1 answer:

allsm [11]3 years ago

5 0

Answer:

x-3x^3

Step-by-step explanation:

^ means to the power of btw

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It’s A, I think not very sure

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3 years ago

How many factors of 48 are not prime numbers

nalin [4]

48 has the following 10 factors: <span>1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Of these, 1,2 and 3 are primes. The other 7 are not primes.</span>

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3 years ago

Help me please!!!!!!!!!!!!!

marusya05 [52]

Answer:

B.) (0,1)

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3 years ago

Read 2 more answers

Please help me answer questions 48 and 48 with the working out please. This is very urgent and i’m giving out 8 points not 5!!!

mariarad [96]

Answer: 65°

<u>Step-by-step explanation:</u>

$E=w(t_f-t_o)\\\\E: 10\ cubic\ feet\times \dfrac{1000\ BTU}{1\ cubic\ foot}\times \ 60\%\quad \rightarrow \quad E=6000\ BTU\\\\\\w:50\ gallons\times \dfrac{8\ pounds}{1\ gallon}\quad \rightarrow \quad w=400\ pounds\\\\\\\\E=w(t_f-t_o)\\\\6000=400(t_f-50)\\\\\dfrac{6000}{400}=\dfrac{400(t_f-50)}{400}\\\\.\quad 15=t_f-50\\\\\\.\quad 15=t_f-50\\.\ \underline{+50}\quad \underline{\quad \ +50}\\.\quad 65=t_f$

4 0

3 years ago

A length is measured at 21 cm correct to two significant figures, what is the lower bound of the length and upper bound?

Andreyy89

Answer:

20.5 and 21.5

Step-by-step explanation:

It says 2 significant figures so the least it can possibly be is 0.5 less and the most it can be is 0.5 more as if it was, lets say 20.4 it would round down to 20 not 21.

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2 years ago