05/22/22

What is the mean score of all students together? (Please show work)
In a psychology class, 43 students have a mean score of 82.4 on a test. Then 9 more students take the test and their mean score is 61.5.What is the mean score of all of these students together?... more
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05/19/22

What are the coordinates of the point 2/3 of the way from A (-1,7) to B (5,1)
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05/16/22

graph a relation ship in which the value of y is 5 less than half the value of x
I know the answer is y=0.5x+3 but I would like to know why it is that answer
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05/14/22

How do you know when to simplify further when simplifying radicals?
I’m not sure how to phrase this, but say you are simplifying √128 and solve it as such:√128 = √16 √8 = 4√16Now, you can see that the process is correct, but the student did not use the highest... more
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05/14/22

Can someone help me understand how to solve this problem?
Find the polar equation of the conic with focus at the pole.Parabola Directrix: x = -1
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05/13/22

Using the Law of Sines to find a triangle with one obtuse angle if ∠ A = 46 ∘ , a = 23 , b = 26 .

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05/08/22

Find the centroid of the region bounded by the graphs of the functions
The functions:y=6x2 , y=x2+3The centroid is at (x,y) wherex=y=https://prnt.sc/Z2vuX7_tutKR
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05/01/22

Find the arc length of the graph of the given equation from A to B. y = 6x^2/3 +1; А(-1,7), В(-8,25)
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04/29/22

what equation do i need to solve this problem
The angles of elevation to a balloon between two points on level ground is 42◦10’ and 23◦50’. The two points are 10.2 miles apart. Find the height of the balloon.
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04/28/22

If a fair coin is tossed 4 times, what is the probability, to the nearest thousandth, of getting exactly 3 tails?
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04/28/22

precalc homework
A triangular parcel of land has sides of lengths 680 feet, 620 feet and 186 feet.a) What is the area of the parcel of land? Round your answer to 2 decimal places Area =   b) If the land is valued... more
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04/26/22

Use the discriminant to determine the number of solutions of each quadratic equation.
6x^2-2x+4=0I need a benchmark answer and possibly a demonstration on how an answer would be achieved
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04/26/22

Use Newton's method to approximate the given number correct to eight decimal places. 6sqrt(47)
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04/26/22

Use Newton's method to find the absolute maximum value of the function f(x) = 5x cos(x), 0 ≤ x ≤ 𝜋,
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04/26/22

Use Newton's method to approximate the indicated root of the equation correct to six decimal places.
The negative root of ex = 4 − x2
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04/26/22

The four sequential sides of a quadrilateral have lengths a = 5.9 , b = 7.2 , c = 8.4 , and d = 10.3 (all measured in yards). The angle between the two smallest sides is α = 100 ° .
The four sequential sides of a quadrilateral have lengths a=5.9, b=7.2, c=8.4, and d=10.3 (all measured in yards). The angle between the two smallest sides is α=100°.
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04/26/22

Use the quadratic formula to solve each quadratic equations. If necessary, approximate the solutions to the nearest tenth.

x^2 + 9𝑥 + 14 = 0 I just need a base answer so i can figure out how to answer my following questions :)
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04/25/22

Find the sum of the first 10 terms in the sequence using the appropriate formula. Show the formula and the steps used to get your answer
Find the sum of the first 10 terms in the sequence using the appropriate formula. Show the formula and the steps used to get your answer5,-20,80,-320r= -4
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04/25/22

Converting Polar Equations
Given x^2 - y^2 = 9 (NOTE: Minus sign, not plus sign), find what r^2 equals. (Covert from Cartesian to Polar). I am pretty confused on how to solve this, so if you could go step-by-step, it would... more
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04/23/22

fundamental theorem math question

A population of critters grows according to a logistic population model, p(t), with p(0) = 1000critters, and dp/dt = 500e^−0.25t/(1+e^−0.25t)^2 critters/year. Find p(10). Round your answer to the... more
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04/22/22

Help! Evaluate the indefinite integrals using Substitution. (use 𝐶 for the constant of integration.)
Please help I am stumped with this problem.∫(28x+10)(7x2+5x+3)5 dx = ???
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04/22/22

Let h(x) = - 8ln(x+8)/x+8 -5

Let h(x)= -8ln(x+8) - 5 x+8Determine the absolute extrema of h on [-7,-3]. If multiple such values exist, enter the solutions using a comma-separated list. Leave all answers in... more
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04/22/22

Integral Calculus

Find the area of the region bounded by the parabola y = x^2, the tangent line to the parabola at the point (2,4) and the x-axis
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04/22/22

geometric sequences
For a given geometric sequence, the 1stterm, a1, is equal to 47/9, and the 4th term, a4 is equal to −141 Find the value of the 7thterm, a7. If applicable, write your answer as a fraction.
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04/21/22

Find the derivative of y=(−4x−9)^csc(x). Be sure to include parentheses around the arguments of any logarithmic or trigonometric functions in your answer.
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