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**infinitebrain**- Replies: 1

My textbook keeps saying it is

. Could someone work it step by step and show me how that answer is derived. I would appreciate it because I keep getting lost. Thanks![

**infinitebrain**- Replies: 2

Given the sequence

find k

I found the answer as 291, through a tedious guess and check method, but I'd like someone to explain in simpler terms how to find k.

Oh yes thanks guys for this! Thanks to you and a little more studying I figured it out!

**infinitebrain**- Replies: 25

Hi guys again! I need help with this problem:

Berry Kold Creamery has four flavors of ice cream: vanilla, pistachio,black walnut, and strawberry.The daily sundae has three scoops of ice cream. How many variations of the sundae are there?

I don't need the numerical answer, I would just like how you would set the combination for the question to solve it.

Thanks!*Edited to explain more clearly, I hope this helps bobbym*

Thank you bob and bobbym! You've both been a enormous help!

**infinitebrain**- Replies: 3

Ima Hyker is camped out in the forest. After breakfast she walks 16 km on a bearing

of 327° then she walks 12 km on a bearing of 237°. What bearing will Ima have to

walk to head straight back to her camp? (nearest degree)

I know how to work it mathematically, but I need a good visual representation ! Could any of you do me a favor and graph it to show me to you can graphically look at this?

Sorry, I went back to look at the documents and it said A is correct, which is 16 2/3%!

**infinitebrain**- Replies: 3

Six boys and twelve girls are in a senior class.Half the boys and 25% of the girls wear glasses.What is the chosen probability that a student chosen randomly is a boy,wears glasses,or both? I know the answer is 50%, but could someone could explain to me clearly how you get that answer? Thanks!

**infinitebrain**- Replies: 19

Bob left Colorado City, TX at 5:00 am driving towards Amarillo at an average speed of 68 mph. His sister left 5 minutes later and drove at an average rate of 75 mph. If Amarillo is 232 miles from Colorado City, how far were Bob and his sister from Amarillo when she caught up to him?

Here are the answer choices:

a. 178.43 miles

b. 60.71 miles

c. 115.49 miles

d. 53.57 miles

e. 171.29 miles

The only thing I'm really confused about is how do you model that she left 5 minutes later on a calculator?

how do you use trig the find the angle of the triangle?

oh ok thank you sooo much bob! You've made me see the problem much clearer!

on step vii , when you're trying to chop out the green area of the rectangle, why would you need to find the area of the triangle, I'm just wondering how that helps you find out the shaded green area.

**infinitebrain**- Replies: 15

Hi I'm working on problems for UIL Calculator and I was wondering if anyone could solve this problem: (it's on the picture and it's asking for the shaded area)

And the answer is : .439

It would be great if someone could tell me how this is solved. Thanks.

Thanks John it helped a bunch! All I was doing was overthinking the situation.

Ok John I'll try your solution to it. Maybe I'm overthinking this and it's simpler than I imagine.

**infinitebrain**- Replies: 3

I really need help on this one part. If someone could help me it would be a BIG help!

Given the 3 x-intercepts (i,-i, and 2)

Write a polynomial equation

I really just need help on how to unfactor the -i back into polynomial form. Thanks.

**infinitebrain**- Replies: 3

Does anyone know where I can find questions about them? Or maybe someone else provide a question for me to work?

Specifics:

- Solve for t (time)

- complete the square question

- maximum height (vertex)

I have a test tomorrow and this would greatly help me Thanks!

very ductible thinking to both of you

Of course the answer I found was the "dumbed" down answer

**infinitebrain**- Replies: 8

Captain Malloy is flying a passenger jet. He is heading east at 720km/hr when he sees an electrical storm straight ahead. He turns the jet 20 degress to the north to avoid the storm and continues in this direction for 1 hr. Then he makes a second turn, back toward his original flight path. Eighty minutes after his second turn, he makes a third turn and is back on course. By avoiding the storm, how much time did Captain Malloy lose from his original flight plan.

It took you 2 years to fully comprehend that bobbbym! Why that's the same amount of time it took me to realize that the moon has another side to it !

but then again he said everybody and I don't know if everybody is "okay" so I'll need to take a survey to see how everyone's doing