3 years ago

Help what is the temperature

Mathematics

1 answer:

mote1985 [20]3 years ago

7 0

The answer is 25 degrees Celsius

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What are the zeros of the fuction f(x)=x2-13x-30

uysha [10]

X²-13x-30=0
(x-15)(x+2)=0
x = -2 or 15

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3 years ago

Can someone show me how to do this? It’s dividing polynomials.

Kisachek [45]

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Step-by-step explanation:

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Sever21 [200]

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(10x^3y^-2/5x^-3y^4)^-3, x≠0, y≠0

zhenek [66]

Answer:

$\dfrac{y^{18}}{8x^{18}}$

Step-by-step explanation:

The applicable rules of exponents are ...

(a^b)(a^c) = a^(b+c)

a^-b = 1/a^b

(a^b)^c = a^(bc)

Your expression simplifies as follows:

$\left(\dfrac{10x^3y^{-2}}{5x^{-3}y^4}\right)^{-3}=(2x^{3-(-3)}y^{-2-4})^{-3}=(2x^6y^{-6})^{-3}\\\\=(2^{-3})x^{6(-3)}y^{(-6)(-3)}=\dfrac{1}{8}x^{-18}y^{18}\\\\=\boxed{\dfrac{y^{18}}{8x^{18}}}$

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4 years ago

Open US_Crime-HW7 data. Test if West Virginia’s vehicle thefts are lower than Nebraska’s vehicle thefts on average. Answer quest

marysya [2.9K]

Answer:

c. One sided t-test

Step-by-step explanation:

One sided t test because we want to compare two means and alternative hypothesis is directional.

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