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3 years ago

10

Convert 86 degrees Fahrenheit to degrees Celsius?

2 answers:

kondor19780726 [428]3 years ago

6 0

- - 86°F=30°C

Final answer: C

Gennadij [26K]3 years ago

5 0

I am pretty sure the answer is 30

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3 years ago

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If a variable stands by itself, what is its coefficient?

Ludmilka [50]

The coefficient would be 1
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So, x is equal to 1x
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This table represents the monthly fees for checking accounts at two banks.

RUDIKE [14]

The answer is c c is the only right question

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3 years ago

Find the interval on which the curve of y equals the integral from 0 to x of 2 divided by the quantity 1 plus 3 times t plus t s

elena-14-01-66 [18.8K]

$y=\displaystyle\int_0^x\frac2{1+3t+t^2}\,\mathrm dt$

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$\dfrac{\mathrm dy}{\mathrm dt}=\dfrac2{1+3x+x^2}$

then by standard differentiation,

$\dfrac{\mathrm d^2y}{\mathrm dt^2}=-\dfrac{6+4x}{(1+3x+x^2)^2}$

$y$ is concave upward whenever $\dfrac{\mathrm d^2y}{\mathrm dt^2}>0$ . The denominator is always positive, so the sign is determined by the numerator alone:

$6+4x>0\implies x>-\dfrac32$

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3 years ago

Help!! A. 2,2 B. 4,1 C. 1,-1 D. -1,0

LiRa [457]

It is a 2,2 it’s not b

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3 years ago