Find a unit vector that is orthogonal to both →u= ⟨6,−3,−8⟩ and v= ⟨−7,10,0⟩.

Note: This question is very sensitive to rounding errors. Enter an exact answer only.

03/26/21

Use a cofunction to write an expression equal to sec 2pi/9

Please help need by 8 am EST

12/28/20

Find the function f'(x) that represents instantaneous rate of change, for each of the following below:

Find the function f'(x) that represents instantaneous rate of change, for each of the following below:a) f(x) = x-2f'(x) = ?b) f(x) = 5x3f'(x) = ?c) f(x) = sqrt(x3)f'(x) = ?

09/14/20

If the distance from point P to point L is the same as the distance from point P to point C, then P is on *

if the distance from point P to point L is the same as the distance from point P to point C, then P is on *A.) the bisector of angle C.B.) the bisector of angle L.C.) the perpendicular bisector of... more

Set up and solve a rational equation that models the following situation answer with a complete sentence

Time taken down stream = tTime taken upstream = t+4Distance paddled each side = 42 KmSpeed in still water = XSpeed Upstream = X - 4 ( Speed relative to current)Speed downstream = X +4X=?Speed =... more

01/13/20

a meal costs £125 between six people. how much do they each have to pay?

maths word equation

09/14/19

Seven fair dice are rolled, write down an expression for the probability that at least one die shows a six

Seven fair dice are rolled, write down an expression for the probability that at least one die shows a six

09/13/19

writing equations of parallel and perpendicular lines

Write the equation of the line passing through (-1,4) and is perpendicular to x+4y=8

08/24/19

How would i use the change of base formula for this problem?

Approximate the logarithm using the properties of logarithms, given logb(2) ≈ 0.3562, logb(3) ≈ 0.5646, and logb(5) ≈ 0.8271logb(0.125) = ?

08/24/19

Answer a, b, & c with show of work

A projectile is shot upward from 10 meters above the surface of earth with an initial velocity of 50 meters per second. It's position s(t) measured in meters at time t seconds later is given by... more

Use inductive reasoning to predict

Use inductive reasoning to predict the next three numbers in the pattern 2,8,10,18,28,46,...

08/04/19

If f(x)= 4x+x^2, find f(x+h)-f(x-h)/2h

Find y given the x value

proving identities

tan α - cosec α secan α (1-2 cos^2 α) = cotan α

07/11/19

Quantitative aptitude

P can alone do a task in 15days and Q can do the task in 20 days. If they work through for 4 days. How much work is left incompletly.

Write −6sin(8t)+5cos(8t) in the form Asin(Bt+ϕ) using sum or difference formulas.

-6sin(8t)+5cos(8t)= Please provide all steps! Thank You!

07/06/19

XOR of three values?

What is the simplest way to do a three-way exclusive OR? In other words, I have three values, and I want a statement that evaluates to true IFF only *one* of the three values is true. So far,... more

07/02/19

Polynomial Question

When the polynomial P(x) is divided by x-1, the remainder is 2, and when divided by x-2 the remainder is 1. What is the remainder when P(x) is divided by (x-1)(x-2).

07/02/19

Need help with solving a series and finding it's convergence/divergence

Please show work used if possible, thank you.∞∑ (3n/(1+8n))^nn=1

06/21/19

Treasury bond calculation

I have a $1500.00 Treasury bond with a current yield of 2.7% that is quoted at 113.7 points. I need to Compute the annual intrest. What is the equation and what do the points mean?

root isn't a real number

please help !!!! Evaluate the root without using a calculator, or note that the root isn't a real number1) ^4√162) ^8√256

I need to buy Laptops and Textbook for my class. The text book cost $116.00 each, and the laptops cost $439.000 each. I have 6,500 to spend and already bought 30 textbooks. How many Laptops can I buy?

I need to buy more Laptops and Textbook for science class. The text book cost $116.00 each, and the laptops cost $439.000 each. I have 6,500 to spend and already bought 30 textbooks. How many... more

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