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Dima020 [189]
3 years ago
12

Which of the following best represents the speed of Halley's comet when it is nearest to Earth?

Mathematics
2 answers:
Tasya [4]3 years ago
8 0
I believe it would be A but i could be way off
Tema [17]3 years ago
6 0
B
1x 10-5 kilometers per hour hopefully that is right

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Please help how do I do this ??
AleksAgata [21]
For 10 here is the answer and for 9 i’ll reply to my comment

3 0
3 years ago
Integrate Sec (4x - 1) Tan (4x - 1) Dx ​
Delicious77 [7]

\bf \displaystyle\int~sec(4x-1)tan(4x-1)dx \\\\[-0.35em] ~\dotfill\\\\ sec(4x-1)tan(4x-1)\implies \cfrac{1}{cos(4x-1)}\cdot \cfrac{sin(4x-1)}{cos(4x-1)}\implies \cfrac{sin(4x-1)}{cos^2(4x-1)} \\\\[-0.35em] ~\dotfill\\\\ \displaystyle\int~\cfrac{sin(4x-1)}{cos^2(4x-1)}dx \\\\[-0.35em] ~\dotfill\\\\ u=cos(4x-1)\implies \cfrac{du}{dx}=-sin(4x-1)\cdot 4\implies \cfrac{du}{-4sin(4x-1)}=dx \\\\[-0.35em] ~\dotfill

\bf \displaystyle\int~\cfrac{~~\begin{matrix} sin(4x-1) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{u^2}\cdot \cfrac{du}{-4~~\begin{matrix} sin(4x-1) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies -\cfrac{1}{4}\int\cfrac{1}{u^2}du\implies -\cfrac{1}{4}\int u^{-2}du \\\\\\ -\cfrac{1}{4}\cdot \cfrac{u^{-2+1}}{-1}\implies \cfrac{1}{4}\cdot u^{-1}\implies \cfrac{1}{4u}\implies \cfrac{1}{4cos(4x+1)}+C

5 0
4 years ago
Pls plsss help with math, it’s easyyy!! explanation needed!!
zimovet [89]

Answer:

C. x = -12 and x = 2

Step-by-step explanation:

-x²-10x+24=0     Original equation

x²+10x-24=0      Divide everything by -1

(x+12)(x-2)=0      Factor it out

x=-12,2               Solve so that the inside of the parentheses equals 0

7 0
3 years ago
Read 2 more answers
write a story problem that can be solved by finding the sum of 506,211 and 424,809.then solve the problem
Rudik [331]
Jordan had 506,211 pairs of nike shoes then she bought 424,809 more. Jordan wants to find out how many pairs of nike shoes he has what is the answer Jordan is looking for? Answer: 931,020 pairs of nike shoes
6 0
3 years ago
Read 2 more answers
Need help ASAP!!! Only have one hour please help
rjkz [21]

Answer:

the answer is 28°

Step-by-step explanation:

opposite angles or vertical angles because the 2 lines intersect each other.

3 0
4 years ago
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