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Nadya [2.5K]
2 years ago
10

How to solve this equation :

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
6 0

Step-by-step explanation:

please mark me as branlist

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the slope of the line below is -3. Use the coordinates of the labeled point to find a point-slope equation of the line
zhenek [66]
The answer to the question is a
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4 years ago
What is the value, to the nearest tenth, of 15 x 3 - 12 x 2 when x = 2.5​
Alekssandra [29.7K]

Answer:

159.4

Step-by-step explanation:

I'm assuming that it's supposed to be 15x^3-12x^2 because when you copy and paste the "^" gets cut out

15*2.5^3 - 12*2.5^2 = 234.375 - 75 = 159.375

rounded is 159.4

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3 years ago
AP Calculus Help Please!
ivanzaharov [21]
4. By the fundamental theorem of calculus,

\displaystyle\frac{\mathrm dg(x)}{\mathrm dx}=\frac{\mathrm d}{\mathrm dx}\int_{-2}^xf(t)\,\mathrm dt=f(x)

g(x) is increasing on those intervals where g'(x)=\dfrac{\mathrm dg(x)}{\mathrm dx}>0. So you have

g'(x)=f(x)=\begin{cases}3&\text{for }-3\le x

which is clearly positive for x\in[-3,0), and in the second interval you have

-x+3>0\implies x

Together, this means g'(x)>0 for all x\in[-3,3).

5. When 0\le x\le6, f(x) reduces to -x+3, so you have

g(x)=\displaystyle\int_{-2}^xf(t)\,\mathrm dt=\int_{-2}^03\,\mathrm dt+\int_0^x(-t+3)\,\mathrm dt
g(x)=6+\left(3t-\dfrac12t^2\right)\bigg|_{t=0}^{t=x}
g(x)=6+3x-\dfrac12x^2
4 0
4 years ago
One quarter has a mass of 5.67 grams. Which is the mass of two rolls of quarters each containing 40 quarters? how much is it?
Orlov [11]

Answer:

453.6 grams

Step-by-step explanation:

40 x 5.67 = 226.8

226.8 x 2 = 453.6

8 0
4 years ago
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I need help asap pls help.
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