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Ket [755]
3 years ago
12

What is the remainder when you divide (5x^3+23x^2-x+53) / (x+5)

Mathematics
2 answers:
lakkis [162]3 years ago
5 0

Answer:

Remainder: 8

Step-by-step explanation: Divide by equation by using long polynomial division.

Hope this helpsʕ•ᴥ•ʔ

Butoxors [25]3 years ago
4 0

Answer:

  1. 8
  2. x+5

Step-by-step explanation:

You can do regular polynomial long division as in the first attachment, or you can do synthetic division as in the second attachment. They both give the same result. The remaining fraction is 8/(x+5).

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What is 0.00308 written in scientific notation? Group of answer choices
Iteru [2.4K]

Answer:

3.08 x 10^-3

Step-by-step explanation:

when putting into  scientific notation, you must make it to where there is one number to the left of the decimal. If you move the decimal left, it equals a negative power, if you move it right, it equals a positive power.

5 0
3 years ago
Harmonic mean if a number h such that (h-a)/(b-h)=a/b Prove h is H(a,b) iff satisfies either relation a. (1/a)-(1/h) = (1/h) - (
Fudgin [204]
A.

\displaystyle\frac1a-\frac1h=\frac1h-\frac1b
\implies\displaystyle\frac{h-a}{ah}=\frac{b-h}{bh}
\implies\displaystyle\frac{h-a}{b-h}=\frac{ah}{bh}
\implies\displaystyle\frac{h-a}{b-h}=\frac ab

b.

\displaystyle h=\frac{2ab}{a+b}
\displaystyle\implies\frac{h-a}{b-h}=\frac{\frac{2ab}{a+b}-a}{b-\frac{2ab}{a+b}}
\displaystyle\implies\frac{h-a}{b-h}=\frac{2ab-a(a+b)}{b(a+b)-2ab}
\displaystyle\implies\frac{h-a}{b-h}=\frac{ab-a^2}{b^2-ab}
\displaystyle\implies\frac{h-a}{b-h}=\frac{a(b-a)}{b(b-a)}
\displaystyle\implies\frac{h-a}{b-h}=\frac ab

The other direction can be proved by following the manipulations in the reverse order.
7 0
3 years ago
Determines whether the line through the points
kotegsom [21]
Find their gradients using the change in y coords divided by the change in x coords. once you have the gradients (or slopes), multiply them by eachother - if the product is (-1) then theyre perpdendicular, if not, they are either parallel or intersect at a point
5 0
3 years ago
Plz need help on 1. 2. and 3 plz help and dont answer if you dont know it plz
sesenic [268]

Answer:

1) 32m^{6}n^{14}

2) 3j^{4}k^{8}

3) 135a^{11}b^{16}

Step-by-step explanation:

to know: when multiplying terms with same base and exponents, multiply the bases and add the exponents

to know: when dividing terms with same base and exponents, divide the bases and subtract the exponents

to know: whenever exponents are contained within a set of parentheses and separated by another set of parentheses, multiply the exponents

1) (4^{4}· m^{12} · n^{20}) ÷ 2³m^{6}n^{6} = 3j^{4}k^{8}

2) (15j^{5}k^{2}· 25j²k^{9}) ÷ 5³j³k³ = (375j^{7}k^{11}) ÷ 125j³k³ = 3j^{4}k^{8}

3) (5 · 3³) a^{11}b^{16} = 135a^{11}b^{16}

5 0
3 years ago
HELP ME WITH THIS PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
BaLLatris [955]

Answer:

\sqrt{3} = m

Step-by-step explanation:

So we can say;

Tan(30) = m/3

=> Tan(30) * 3 = m

=> \sqrt{3} = m

Hope this helps!

8 0
2 years ago
Read 2 more answers
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