Expert Assistance in Solving College-level Math Problems

College

The image of the point (2,1) under a translation is (5,-3). Find the coordinates of the image of the point (6,6) under the same translation.

necessaryh 2020-10-21

For any vectors u, v and w, show that the vectors u-v, v-w and w-u form a linearly dependent set.

waigaK 2020-10-21

Consider the following vectors in $R^{4} :$ $v_{1} = [\begin{matrix} 1 \\ 1 \\ 1 \\ 1 \end{matrix}], v_{2} = [\begin{matrix} 0 \\ 1 \\ 1 \\ 1 \end{matrix}] v_{3} = [\begin{matrix} 0 \\ 0 \\ 1 \\ 1 \end{matrix}], v_{4} = [\begin{matrix} 0 \\ 0 \\ 0 \\ 1 \end{matrix}]$ d. If $x = [\begin{matrix} 23 \\ 12 \\ 10 \\ 19 \end{matrix}], f i n d {x}_{B} e$ . If $x_{B} = [\begin{matrix} 3 \\ 1 \\ - 4 \\ - 4 \end{matrix}]$ , find x.

mattgondek4 2020-10-21

An issue of BARRON’S presented information on top wealth managers in the United States, based on individual clients with accounts of $1 million or more. Data were given for various variables, two of which were number of private client managers and private client assets. a) Obtain a scatterplot for the data. b) Decide whether finding a regression line for the data is reasonable. If so, then also do parts (c)–(f). c) Determine and interpret the regression equation for the data. d) Identify potential outliers and influential observations. e) In case a potential outlier is present, remove it and discuss the effect. f) In case a potential influential observation is present, remove it and discuss the effect.

Line 2020-10-20

Suppose you are testing whether the lifetime of 4 different types of lightbulbs. You run 5 experiments each. You get a mean square error of $M S_{E} = 1.75$ and you reject the null hypothesis. The sample means you obtain for each lightbulb are below:
Type 1: 20
Type 2: 30
Type 3: 28
Type 4: 22
Which pairs are significantly different at the $5 %$ significance level? Select all that apply.

sjeikdom0 2020-10-20

Evaluate the integral. $\int x \sqrt{5 x - 1} d x$

naivlingr 2020-10-20

Let $p, q \in Z$ be district primes. Prove that $Q (\sqrt{p}, \sqrt{q}) = Q (\sqrt{p} + \sqrt{q})$ , and that $Q \subseteq Q (\sqrt{p} + \sqrt{q})$ is a degree 4 extension.

Tyra 2020-10-20

Find the general solution of $y^{″} - 2 y^{'} + 2 y = x e^{x} \cos x$

beljuA 2020-10-20

Sketch a graph of the function. Use transformations of functions when ever possible.
$f (x) = | x + 1 |$

Lennie Carroll 2020-10-20

Consider the linear transformation $U : R^{3} \to R^{3}$ defined by $U (\begin{matrix} x \\ y \\ z \end{matrix}) = (\begin{matrix} z - y \\ z + y \\ 3 z - x - y \end{matrix})$ and the bases $ϵ = {(\begin{matrix} 1 \\ 0 \\ 0 \end{matrix}), (\begin{matrix} 0 \\ 1 \\ 0 \end{matrix}), (\begin{matrix} 0 \\ 0 \\ 1 \end{matrix})}, γ = {(\begin{matrix} 1 - i \\ 1 + i \\ 1 \end{matrix}), (\begin{matrix} - 1 \\ 1 \\ 0 \end{matrix}), (\begin{matrix} 0 \\ 0 \\ 1 \end{matrix})}$ , Compute the four coordinate matrices ${[U]}_{ϵ}^{γ}, {[U]}_{γ}^{γ},$

opatovaL 2020-10-20

Check whether the standard error of the sampling distributions of bar p obtained in part(a) and part(b) are different.

Mylo O'Moore 2020-10-20

Use Green's Theorem to evaluate the line integral. Orient the curve counerclockwise. $\oint_{C} F 8 d r$ , where $F (x, y) = < < x^{2}, x^{2} > >$ and $C$ consists of the arcs $y = x^{2}$ and $y = 8 x$ for $0 < = x < = 8$

sagnuhh 2020-10-20

Express the limits as definite integral.
$lim_{‖ p \to 0 ‖} \sum_{k = 1}^{n} (\frac{1}{c_{k}}) Δ x_{k}, w h e r e P i s a p a r t i t i o n o f [1, 4]$

Rui Baldwin 2020-10-20

Determine the volume of the sold in the 1st octant bounded by $x + y + 2 z = 4$

ringearV 2020-10-20

Applications of double integrals:
A lamina occupies the part of the disk $x^{2} + y^{2} \leq 4$ in the first quadrant. Find the center of mass of the lamina if the density at any point is proportional to the square of its distance from the origin.

slaggingV 2020-10-20

A) Explain why the chi-square goodness-of-fit test is not an appropriate way to find out.
B) What might you do instead of weighing the nuts in order to use a x2 test?
Nuts A company says its premium mixture of nuts con- tains 10% Brazil nuts, 20% cashews, 20% almonds, and 10% hazelnuts, and the rest are peanuts. You buy a large can and separate the various kinds of nuts. Upon weigh- ing them, you find there are 112 grams of Brazil nuts, 183 grams of cashews, 207 grams of almonds, 71 grams of hazelnuts, and 446 grams of peanuts. You wonder whether your mix is significantly different from what the company advertises.

permaneceerc 2020-10-20

When drawing conclusions about the variance of a single population, what probability distribution is used?
When comparing the variance of two populations,
The assumption of is known to affect the F test's sensitivity when comparing two population variances. ?

Bergen 2020-10-20

The value of x for the provided equation $1.2 x + 3.4 = 5.2$ and express the solution in decimal form and also check the solution for the equation. Use your calculator whenever you find it helpful.
$1.2 x + 3.4 = 5.2$

waigaK 2020-10-20

Explain and solve how the rectangular equation $y = 5 x$ can have infinitely many sets of parametric equations.

Suman Cole 2020-10-20

Explain whether there are any outliers in these data or not.
The 5-number summary for the run times in minutes of the 150 highest grossing movies of 2010 is provided.

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College Math Questions: Expert Solutions & Tips