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I have a small pyramid of cards on the table (two cards face down at the bottom, one card face down at the top).
What is the probability of first selecting a red card in the remaining deck of 49, then flipping over one of the lower-level pyramid cards followed by the upper-level pyramid card and hoping that both of these two cards are pairs?

genestesya 2022-09-04

Let A be a nonempty set of real numbers which is bounded below. Let -A be the set of all numbers -x, where $x \in A$ . Prove that
$inf A = - sup (- A)$

Mackinzzie Ausbrooks2022-08-30

A man usually rides his bike 9 kilometers per hour, yet the wind slows him to 6.76 kilometers for 26 minutes and 5.55 kilometers for 10; how long until he gets home 11.54 kilometers away?

alan3885uo 2022-08-20

Find the charge $q (t)$ flowing through a device if the current is:
(a) $i (t) = 3 A, q (0) = 1 C,$
(b) $i (t) = (2 t + 5) m A, q (0) = 0$
(c) $i (t) = 20 c o s (10 t + π / 6) μ A, q (0) = 2 μ C$
(d) $i (t) = 10 e^{- 30 t} \sin 40 t A, q (0) = 0$

Guabellok4 2022-08-20

Sand falls from a conveyor belt at the rate of $10 \frac{m^{3}}{min}$ onto the top of s conical pile. The height of the pile is always three-eighths of the base diameter. How fast is the radius changing when the pile is 4 m high? Give your answer in cm/min,

slawejagdw 2022-08-19

The Gompertz model has been used to model population growth.
$\frac{d y}{d t} = r y \ln (\frac{K}{y}),$
where $r = 0.73 p e r y e a r, k = 33, 800 k g, \frac{y_{0}}{k} = 0.27$ Use the Gompertz model to find the predicted value of y(3)Round your answer to the nearest integer

Jaydip Gayen2022-08-18

Paulkenyo 2022-08-18

This formula describes the multiplication rule for finite summation. $(\sum_{k = 0}^{n} a_{k}) \sum_{j = 0}^{n} b_{j} = \sum_{k = 0}^{n} \sum_{j = 0}^{n} a_{k} b_{j}$
This formula is called Langrange's identity.
${(\sum_{k = 1}^{n} a_{k} b_{k})}^{2} = (\sum_{k = 1}^{n} a_{k}^{2}) \sum_{k = 1}^{n} b_{k}^{2} - \sum_{k = 1}^{n} \sum_{j = K + 1}^{n} {(a_{k} b_{j} - a_{j} b_{k})}^{2}$
Explain the difference between these two summation rules. Why is the product of two sums a double row and the square of the sum is a double row? Why does the square intersect the terms but not the product? Provide proof.

Patience Owens 2022-08-18

Suppose $(B - C) D = 0$ , where B and C are $m \times n$ matrices and D is invertible. Show that $B = C$

Patience Owens 2022-08-18

List all the permutations of ${a, b, c}$

Malcolm Gregory 2022-08-17

Make a conclusion by induction for the following number sequences.
a) $- 4, - 1, 4, 11, \dots$
$- 4 = 1^{2} - 5$
$- 1 = 2^{2} - 5$
$4 = 3^{2} - 5$
$11 = 4^{2} - 5$
b) $4, 5, 7, 11, \dots$
$4 = 2^{0} + 3$
$5 = 2^{1} + 3$
$7 = 2^{2} + 3$
$11 = 2^{3} + 3$
c) $5, 12, 21, 32, \dots$
$5 = 4 (1) + 1$
$12 = 4 (2) + 4$
$21 = 4 (3) + 9$
$32 = 4 (4) + 16$
d) $3, 8, 17, 30, \dots$
$3 = 3 (1) + 2 {(0)}^{2}$
$8 = 3 (2) + 2 {(1)}^{2}$
$17 = 3 (3) + 2 {(2)}^{2}$
$30 = 3 (4) + 2 {(3)}^{2}$

Adesina Sherif Adesola2022-08-16

What is the Laplace inverse of s²+1/s²(s²-4s-9)

Nicole Bitsui2022-08-08

Jete Igbodo2022-07-19

Differentiate y= tanx using first principle

Jete Igbodo2022-07-19

Differentiate y= tanx using first principle

Hayley Bernard 2022-07-19

A ball rolls down an inclined plane with an acceleration of $6 f t / s e c^{2}$ ? What initial velocity must be given for the ball to roll 300 feet
a), 15 ft/sec
b) 25 ft/sec
c) 0 ft/sec
d) 10 ft/sec

capellitad9 2022-07-15

An upper-level math course is open to both udergraduate students and graduate students. THe table below gives the perfomance of the two level of students in the class last semester on the final exam:
$\begin{array}{cc} Score, S, on Final Exam \\ S < 70 & 70 \leq S < 80 & 80 \leq S < 90 & 90 \leq S \leq 100 & Total \\ Undergraduate & 16 & 14 & 17 & 3 & 50 \\ Graduae & 4 & 10 & 19 & 7 & 40 \\ Total & 2024 & 36 & 10 & 90 \end{array}$
1) Find the probability that a student scored 80 or above and was a graduate student
2) Given that a student scored below 80, find the probability that the student was a graduate student
3) Find the probability that an undergraduate student scored 90 or above

comAttitRize8 2022-07-15

If I am a senior student, then I can take upper-level math class. I cannot take ypper-level math class
a) Use proportion variable to label each proposition.
b) Determine if the argument is valid
c) If the argument is valid, what is the rule of inference used?
d) What is the conclusion of the argument?

In the majority of cases, students dealing with upper-level Math questions will have to solve not only numerical problems or equations but also verbal tasks. The answers that are provided below free of charge will help you to find solutions to your questions that are dealing with more advanced Maths problems. Remember that one must look into analysis and evaluation of original instructions, which is why upper-level Maths requires more thinking as you study questions and see how the answers have originated. The trick is to see similarities in solutions that are being provided as it always helps.

Upper Level Math

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