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MrRa [10]
2 years ago
11

Please help you will get brainliest!

Mathematics
1 answer:
Vera_Pavlovna [14]2 years ago
8 0
Question 13 is 66
Question 8 is 104

The link above is a scam don’t open it
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Use the four-step definition of the derivative to find f'(x) if f(x) = −4x^3 −1.
guapka [62]

\stackrel{de finition \textit{ of a derivative as a limit}}{\lim\limits_{h\to 0}~\cfrac{f(x+h)-f(x)}{h}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{[-4(x+h)^3-1]~~ - ~~[-4x^3-1]}{h} \\\\\\ \cfrac{[-4(x^3+3x^2h+3xh^2+h^3)-1]~~ ~~+4x^3+1}{h} \\\\\\ \cfrac{[-4x^3-12x^2h-12xh^2-4h^3-1]~~ ~~+4x^3+1}{h} \\\\\\ \cfrac{-4x^3-12x^2h-12xh^2-4h^3-1+4x^3+1}{h}\implies \cfrac{-12x^2h-12xh^2-4h^3}{h}

\cfrac{h(-12x^2-12xh-4h^2)}{h}\implies -12x^2-12xh-4h^2 \\\\\\ \lim\limits_{h\to 0}~-12x^2-12xh-4h^2\implies \lim\limits_{h\to 0}~-12x^2-12x(0)-4(0)^2 \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \lim\limits_{h\to 0}~-12x^2~\hfill

7 0
2 years ago
How to round to the nearest hundred
Andrews [41]
If it is less then 5 you do the next hundred down 5 and above the next one up
8 0
3 years ago
Read 2 more answers
Find general solution of 3sinx=2tanx​
AveGali [126]

Step-by-step explanation:

remember, tan = sin/cos.

of course, one solution is x = 0. sin(0) = 0, tan(0)=0).

for the general solution we look at x <> 0.

3×sin(x) = 2×tan(x) = 2×sin(x)/cos(x)

3 = 2/cos(x)

3×cos(x) = 2

cos(x) = 2/3

x = 48.1896851...°

6 0
2 years ago
Teddy wants to wrap a gift she bought for her best friends birthday. Determine how much wrapping paper she will need to cover th
laiz [17]

Answer:

127.2

Step-by-step explanation:

3 0
2 years ago
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798/8×41 rounded to one significant figure​
Blizzard [7]

Answer:

4089

Step-by-step explanation:

798/8 x 41=

99.75 x 41 =

4089.75

Hope it helps

3 0
2 years ago
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