05/01/21

Help on correlation coefficient
You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r value. The regression equation is reported asy= -61.19x+79.41and the r=0.4096.What... more
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05/01/21

What is the electron configuration for Strontium?
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04/27/21

There are 6 times as many people as chairs at the computer workshop. 125 people had to stand. How many people were at the computer workshop?
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04/27/21

Mitchel climbs 8 feet up the vertical ladder of a slide and zips down the 17-foot slide. How far is the bottom of the ladder from the bottom of the slide?
Mitchel climbs 8 feet up the vertical ladder of a slide and zips down the 17-foot slide. How far is the bottom of the ladder from the bottom of the slide?
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04/27/21

i don't understand

The cylinder can be made from steel. The top will be open and the thickness of the steel will be 0.5ft thick, making up the walls and the bottom. Steel can be purchased for $0.29 per kilogram and... more
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04/25/21

Three cards are taken out of a deck.
1.Three cards are taken out of a deck. What is the probability that the third card is a redface card or a king given the first is the king of hearts and the second is the queen ofdiamonds? Please... more
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04/24/21

What are my odds of winning a single prize raffle if I buy 10 tickets?
I’ve seen a raffle type competition online that I would like to enter but wanted to check a claim that the company are making is correct before I do.Tickets are limited to 650 entries, number are... more
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04/22/21

A math book at the Victor Valley College bookstore originally cost $60 is on sale for $36. What is the rate of discount?
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04/21/21

A) Boats depreciate as soon as they are put in the water at rate of 12% yearly. What would be the price (to the nearest penny) of a $29,000 boast after 16 years.

B) $2,000 is invested in a bank that pays an annual interest rate of 5%. At the end of 18 years, how much money will you have if the bank compounds continuously?
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04/21/21

determine if the situation represents a permutation or a combination. Then calculate the value of the permutation or combination.
From a deck of 52 playing cards, how many 5-card hands can be made?
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04/20/21

f(x)=(x^(2)-2)e^(-2x) how do i show that f'(x)= -2e^-2x(x+1)(x-2) and f''(x)=2e^-2x(2x^2-4x-3)
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04/19/21

Riemann Sum Calculus Question

Find f(x) if f'''(x)=20x^3+12x^2+4 with initial conditions f(0)= 7 and f(1)= -11f(x)=
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04/19/21

How many grams of hydrogen gas will be produced from the reaction of zinc metal with 85 grams of hydrochloric acid
Very confused and teacher is not here
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04/19/21

If f′′(x)=9e3x+4cos2x, f(0)=3 and f′(0)=13, find f(x).
If f′′(x)=9e3x+4cos2x, f(0)=3 and f′(0)=13, what is f(x).
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04/17/21

State the elementary row operations applied to the first augmented matrix A to transform it to its row-equivalent matrix B.
A = 1 −2 7 6 4 1 B = 1 −2 7 0 16 −41 A: 2R2 + R1B: 5R2 - 15R1C: (-6)R1 + R2D: Interchange R1 and R2E: None of these
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04/16/21

Dilation geometry

Graph the dilated image of Triangle ABC using a scale factor of 2/3 and a center of dilation (1,2)A(-2,-1) B(10,2) C(4,8)
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04/16/21

A particle moves in the xy-plane

A particle moves in the xy-plane so that its velocity vector at time t is v(t) = <t2, sin(πt> and the particle’s position vector at time t = 0 is <1,0>. What is the position vector of... more
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04/16/21

In the rolling or two fair dice calculate the following

P(Sum of the two dice is 9)=P(sum of the two dice is 6)=P(sum of the two dice is not 7)=P(sum of the two dice is 5 or 8)=P(sum of the two dice is not 4 and not 10)=
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04/15/21

[Special relativity] How can time be dilated for radio wave signals?
So I came across this multiple choice question on an exam whose answer I cannot understand no matter how hard I try, and its stressing me out. This is it word for word.Spacecraft S66 is travelling... more
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04/15/21

Find all angles, 0^{\circ}\le\theta<360^{\circ}0 ∘ ≤θ<360 ∘ , that satisfy the equation below, to the nearest 10th of a degree.
3tanxsinx+2sinx=0
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04/15/21

Can someone help me find the pressure? I would appreciate it, thank you!
A sample of gas at 5.00 x 10​ to the 5th power mmHg inside a rigid tank is cooled from 500.0​ celcius to 0.0​ celcius.What is the final pressure of the gas inside the tank?
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04/13/21

If sin 46° = cos x find x.
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04/12/21

Slip and slide trinomials (x^2+bx+c)
What trinomial do you get when you multiply a times c? Answer in the form: x^2+bx+c The trinomials I am trying to figure out are: 3x^2-11x+10 8y^2-10y+3 9m^2+3m-2 10p^2-p-2 Thank you!!
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04/11/21

How do you solve this problem?
What is the percent by volume of isopropyl alcohol in a solution that contains 19 mL of isopropyl alcohol in 1.9 L of water?
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04/11/21

What what is the line of action and the the direction of a force exerted boys I'm flying the plane on (S) of magnitude 3.4n
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