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Differential equations
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Here's what students ask on Decimals
Decimals
asked 2021-03-09
Given
\(\displaystyle \sin{{\left(\alpha\right)}}=\frac{4}{{9}}{\quad\text{and}\quad}\pi\text{/}{2}<\alpha<\pi\)
,
find the exact value of
\(\displaystyle \sin{{\left(\alpha\text{/}{2}\right)}}.\)
Decimals
asked 2021-03-09
To calculate: The tax due on a condominium with an assessed value of $160,000. The property tax rateis
\(\displaystyle{6.3}\%.\)
Decimals
asked 2021-03-09
Calculate net price factor and net price.
Dollars list price
\(\displaystyle-{435.20}\$\)
Trade discount rate
\(\displaystyle-{26}\%,{15}\%,{5}\%.\)
Decimals
asked 2021-03-05
On a number line, suppose the coordinate of A is 0, and
\(\displaystyle{A}{R}={23}.\)
What are the possible coordinates of the midpoint of AR?
The possible coordinates for midpoints of the segment are nothing.
(Type integers or decimals. Use a comma to separate answers if necessary.)
Decimals
asked 2021-03-02
To find: The time taken by the Glacier.
Given:
The lenght of Glacier is 31680 ft, and his speed
\(\displaystyle={31680}\)
ft per year.
Decimals
asked 2021-02-25
The decimals in the expression
\(\displaystyle{54.2}+{23.993}+{3.87}.\)
Decimals
asked 2021-02-20
The value of x for the provided equation
\(\displaystyle{0.12}{x}+{0.14}{\left({550}-{x}\right)}={72.5}\)
and express the solution in decimal form, and also check the solution to the equation.
Decimals
asked 2021-02-19
Equation: 8 divided by
\(\displaystyle{\left({x}^{2}+{x}+{1}\right)}={1}\)
Use crossing graphs method to solve the above equation. There are 2 solutions. Round answers to 2 decimals. Provide smaller and larger value:
\(\displaystyle{x}={\left({s}{m}{a}{l}\le{r}{v}{a}{l}{u}{e}\right)}{x}={\left({l}{a}{r}\ge{r}{v}{a}{l}{u}{e}\right)}\)
Decimals
asked 2021-02-10
In the upper-plane plane model for hyperbolic geometry, calculate the distance between the points
\(A(0,\ 4)\ \text{and}\ B(3,\ 5).\)
Give your answer accurate to three decimals. Hint: Recall the definition of distance in the upper-half plane model.
Decimals
asked 2021-02-09
To find:
The exact circumference of the circle with radius 7 meters and approximate the circumference.
Decimals
asked 2021-02-08
To Find: The value of x for the provided equation
\(\displaystyle{0.7}{x}+{1.4}={3.92}\)
and express the solution in decimal form. And also check the solution for the equation.
Decimals
asked 2021-02-08
In the EAI sampling problem, the population mean is $ 71,500 and the population standard deviation is $5000. For
\(n = 30,\ \text{there is a}\ 0.4908\ \text{probability of obtaining a sample mean within}\ \pm\ $\ 600\)
of the population mean.
a) What is the probability that
\(\bar{x}\)
is within $ 600 of the population mean is a sample of size 60 is used (to 4 decimals)?
b) Answer part (a) for a sample of size 120 (to 4 decimals).
Decimals
asked 2021-02-06
Find the sum of the given vectors
\(\displaystyle{700}{N}\angle{320}^{\circ}+{400}{N}\angle{20}^{\circ}\)
\(Rx = ?\)
\(Ry = ?\)
\(R = ?\)
\(\theta = ?\)
Decimals
asked 2021-02-06
Given
\(\displaystyle \csc{{\left({t}\right)}}={\left[\frac{{-{12}}}{{{7}}}\right]}\)
\ \text{and}\ \displaystyle{\left[{\left(-\frac{\pi}{{2}}\right)}<{t}<{\left(\frac{\pi}{{2}}\right)}\right]}\) .
Find
\(\sin\ t,\ \cos\ t\ \text{and}\ \tan\ t.\)
Give exact answers without decimals.
Decimals
asked 2021-02-01
Among a student group 49% use Google Chrome, 20% Internet Explorer, 10% Firefox, 5% Mozilla, and the latter use Safari. What is the probability that you need to pick 7 students to find 2 students using Google Chrome? Report answer to 3 decimals.
Decimals
asked 2021-01-31
Find the solution to this equation:
\(\displaystyle\sqrt{{2}} \cos{{\left({x}\right)}} \sin{{\left({x}\right)}}+ \cos{{\left({x}\right)}}={0}\)
The solution should be such that all angles are in radian. for solution the first angle should be between
\(\displaystyle{\left[{0},{2}\pi\right)}\)
and then the period.
And when 2 or more solutions are available then the solution must be in increasing order of the angles.
Decimals
asked 2021-01-30
Solve the system of equations by either the addition method or the subtitution method.
Express numbers as integers or decimals.
\(\displaystyle-{0.1}{x}+{0.1}{y}={0.2}\)
\(\displaystyle{0.1}{x}+{0.1}{y}={0.1}\)
Decimals
asked 2021-01-23
A planning committee for a major development project must consist six members. There are eight architects and five engineers available to choose from. In how many different ways can this planning committee be formed (rounded off to zero decimals)?
Decimals
asked 2021-01-15
To make: A true statement by inserting a symbol
\(<,\ >\ or\ =\ \text{between the given numbers}\ \displaystyle\overline{{0.6}}{\quad\text{and}\quad}\frac{5}{{6}}.\)
Decimals
asked 2021-01-08
The of the graph of the inequality and the interval notation of the solution.
The given inequality equation is,
\(\displaystyle-{1}>{x}\)
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