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Post New Question
All Questions
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230566 Questions
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285
1
please help
need hep with this
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Guest
Feb 6, 2021
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247
0
please help stuck on math homework
For the sequence given by 𝑎𝑛 = 3𝑛 − 5 , answer the following
A.Write the first five terms of the sequence
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Guest
Feb 6, 2021
0
279
1
geometry
In the diagram, K, O and M are the centers of the three semi-circles. OC = 30 and CB = 38,
What is the area of the semi-circle with center k?
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Guest
Feb 6, 2021
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302
3
Functions Algebra Help
#1) ?
[looking for s(3)]
#2)
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Guest
Feb 6, 2021
-1
375
2
+328
Henrick's presents
Henrick got a total of 5 birthday presents from his 5 siblings — Holly, Hugh, Hilda,Howard, and Harry — and he decided to unwrap one present per day in the next fewdays, starting today with Harry’s gift (because it is perishable). How many possible sequences
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Potatobird
Feb 6, 2021
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701
1
+93
There is a polynomial in the form ax^6 + bx^5 + cx^4 + dx^3 + ex^2 + fx + g.
There is a polynomial in the form ax^6 + bx^5 + cx^4 + dx^3 + ex^2 + fx + g.
The product of this polynomial's roots is negative.
Explain why the equation has at least one positive root.
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RandomUser
Feb 6, 2021
0
421
1
Help pls
The points $P,$ $Q,$ and $R$ are represented by the complex numbers $z,$ $(1 + i) z,$ and $2 \overline{z},$ respectively, where $|z| = 1.$ When $P,$ $Q$, and $R$ are not collinear, let $S$ be the fourth vertex of the parallelogram $PQSR.$ What is the maximum
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Guest
Feb 6, 2021
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272
1
geometry hw
AB is tangent to a circle at the point B. AC is another tangent to the circle, with C being the point of tangency. The circle has radius 11 and the length of AB is 10. What is the length of AC?
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Guest
Feb 6, 2021
0
335
1
geometry
AB and CD are two chords of a circle that intersect at a point E. Arc AC has an arc measure of 84° and arc DB has an arc measure of 20°. What is the measure of ∠AED?
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Guest
Feb 6, 2021
0
574
1
counting problem
A class has 5 freshmen, 4 sophomores, 6 juniors, and 5 seniors. A committee is to be formed by selecting two members from the seniors and one member from each of the other grades. How many different committees are there?
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Guest
Feb 6, 2021
0
273
1
mixture problem
How much water should be added to 8 mL of 6% saline solution to reduce the concentration to 4%?
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Guest
Feb 6, 2021
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569
1
algebra
Which of the following expressions is equivalent to (3 - 5b)^2?
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Guest
Feb 6, 2021
0
285
0
countinig
A palindrome is a number which reads the same forward as backward, for example 313 or 1001. Ignoring the colon, how many different palindromes are possible on a 24-hour digital clock displaying only the hours and minutes? (Notice a zero may not be inserted
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Guest
Feb 6, 2021
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450
1
help pls
For each of the next five days, Mary plans to spend 1/3 of the money she has at the beginning of the day. At the beginning of the first day, Mary has $243. Assuming that Mary doesn't get any new money over the next five days, how much money will she
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Guest
Feb 6, 2021
0
270
1
trig
In right triangle ABC with angle B = 90, we have AB = 6 and BC = 10. Find cos A.
Answer with an exact number.
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Guest
Feb 6, 2021
0
237
0
pls help
ABCD is a rhombus. If angle A is 129 degrees and the perimeter of ABCD is 60, then find the length of each diagonal.
Guest
Feb 6, 2021
0
1189
2
interest rate
6700 dollars is placed in an account with an annual interest rate of 8%. How much will be in the account after 24 years, to the nearest cent
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Guest
Feb 6, 2021
0
263
1
area
What is the area of the shaded region?
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Guest
Feb 6, 2021
0
562
2
Please answer this
A number $x$ equals $2^{15}\cdot3^6$. What number's cube equals $x$?
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Guest
Feb 6, 2021
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381
1
functional equation
Suppose f(x) is a function such that f(x) + x = f(y) + y for all real numbers x and y. If f(-1) = 5 then compute f(-1001).
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Guest
Feb 6, 2021
0
591
3
+50
Uniform convergence of sequence of functions
Study the pointwise and uniform convergence of $f_n(t)=n^{n^t}$ for $t\in\mathbb{R}$.
It is $f_n \to 1 $ pointwise if $t<0$, while $f_n \to \infty$ for $t \geq 0$; since $f_n(t)=e^{n^t \log n}$ it is $f_n'(t)=n^t e^{n^t \log n}\log^2n>0$
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Hitago
Feb 6, 2021
0
381
2
question on harmonic progression
If the \(10^\text{th} \) term of a harmonic progression is 21 and the \(21^\text{st}\) term of the same harmonic progression is 10, then find the \(210^\text{th}\) term.
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Guest
Feb 6, 2021
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