05/08/18

Find two angles in degrees between 0° and 360° such that their Cosine is 0.12

Find two angles in degrees between 0° and 360° such that their Cosine is 0.12

Fractional form of 0.94 bar where bar is on 4

What is the fractional form of 0.94 bar  where bar is on 4  

How do I determine c1/c2 based on the values below?

C1= 4/3 ( cos 5pi/4+ i  sin 5pi/4) C2=3 (cos pi/4+ i sin pi/4)

What is (0-8i)^1/3?

What is (0-8i)^1/3?   I think that the answer is -2i^(1/3)

05/07/18

how would I solve this percent question?

university tutition increased from $12 350 to $14 125, what was the percent increased in tution.   my understanding is that I would find the difference between 12350 and 14125 and then find out... more

05/06/18

Given that sin Ø = 0.3251 and Ø is in quadrant​ I, find sin 2Ø

I have been having trouble finding a way to solve sin 2Ø when  sin Ø is a decimal and I'm not sure what steps to take to find the end result. Am I over thinking it?

05/06/18

sigma notation

Use sigma notation to re-write the sum: 1/4 + 3/8 + 7/16 +...+ 31/64

Let h(x)=xg(x), where g(x)= f^-1 (x). Find h'(5) using table below.

x   |  f(x)   |   f'(x) 2   |   4     |   -1 3   |   5     |    2 5   |   1     |    3   Let h(x)=xg(x), where g(x)=the inverse of f(x). Find h'(5)

05/06/18

PLEASE HELP MY EXAM IS TOMORROW!!!

A straight line has the formula y=5x+8. Write and equation for another straight line that is parrallel to the first. 

How do you factorise 3x^3-1?

 pls add working out as well :)

05/06/18

Insert a rational number between them : 2/3 and 7/8

Plzz help me to to this question: insert a rational number b/w 2/3 and 7/8

05/05/18

4x+3y=78 and 3x/2y=27/22 find the value of y-x

This is the questions no further information

There are two points P and Q. P=(16,9) and Q=(22,24). There is a point N on the line. Find N.

 There are two points P and Q. P=(16,9) and Q=(22,24). There is a point N on the line such that PN equals to 2NQ. Find the coordinates of N.

How do I find an ordered triple to represent u in each equation if v=(2,-4,5) and w=(6,-8,9)

u=v+w   u=v-w   u=4v+3w   u=5v-2w

05/04/18

what is the minimum value of f(x)=x^2+4x-8

where does the min or max occur and what is the value

05/03/18

What is the probability that the second card will be a multiple of 10?

A set of 40 number cards contains one each of the counting numbers from 1 through 40. A multiple of 10 is drawn from the set and is not replaced. A second card is drawn from the remaining 39... more

3 + (4 - x)^3/2 = 11 How to solve?

How is this question solved I really don't understand

How do I solve this problem on parametric equations?

Write a vector equation of the line that passes through point P and is parallel to a, then write a parametric equation for the line.     P (-2,1), a =(3,-4)

i need to solve √z+1 + √2z+3= 1

z+1 and 2z+3 are both under the radical   *im lost, i need help preferably step by step*

How long will it take to drive 60 miles at 40 miles per hour

Rene is going to the lake. If the lake is  60 miles away and Rene is driving at 4o miles per hour how long will it take her to get to lake?

04/29/18

Calculus 2 class Trig question

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 45 degrees at midnight and the high and low temperature during the day are 50 and 40... more

04/29/18

finding the limits

A subway train travels from one station to the next in 2 minutes. Its distance in Km, from the first station after (t) minutes is s(t)= t^2 - 1/3t^3. At what time will the train have a velocity of... more

Find the angle between the given vectors to the nearest tenth of a degree.

Find the angle between the given vectors to the nearest tenth of a degree.a = 7i + 2j,   b = -6i + 6j

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