Mark M.

04/17/21

LSAT test scores are normally distributed with a mean of 155 and a standard deviation of 7. Find the probability that a randomly chosen test-taker will score 148 or lower

You may need to use the appropriate appendix table or technology to answer this question.LSAT test scores are normally distributed with a mean of 155 and a standard deviation of 7. Find the... more

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Math Calculus Statistics

04/17/21

Z is the standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.62 ≤ Z ≤ 0.11)

You may need to use the appropriate appendix table or technology to answer this question.Z is the standard normal distribution. Find the indicated probability. (Round your answer to four decimal... more

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Math Algebra 1

04/17/21

Algebra 1 Math Question

You buy a used car for $6599.Its value decreases by 12% each year. -When(how many years) will the value be 0?

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Calculus Derivative

04/17/21

How do you find the first derivative of an equation that has a minus sign, but is not solved by the product rule?

Hello! I tried to find z'(x) where two functions p(x) and d(x) are used. The equation is z(x) = 7*p(x) - 4*d(x). I've tried using the product rule to solve it, but the website I'm submitting it on... more

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Calculus Precalculus

04/17/21

Polynomial Functions

The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=1 and a root of multiplicity 1 at x=−4. The y-intercept is y=−0.8.

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Math Algebra 1 Algebra 2

04/17/21

A normal distribution has a mean of 10 and a standard deviation of 1. Find the probability that a randomly selected value is between 8 and 11.

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Math Algebra 1 Algebra 2

04/17/21

Calculate the probability of picking 8 cards from a stand 52-card deck, with replacement, and getting exactly 3 spades.

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Precalculus Trigonometry

04/16/21

Plot the complex number. -3 - 7i

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Precalculus Trigonometry

04/16/21

Write the polar form of the complex number and perform the indicated operation. (√3+i)(1+i)

Check your answer by performing the indicated operation using the standard form and comparing the results.

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Math Sat Math Mathematica

04/16/21

Rays HG and HJ are tangent to ⊙Q. What is 𝑚𝐺𝐾𝐽⏜ ?

Rays HG and HJ are tangent to ⊙Q. What is 𝑚𝐺𝐾𝐽⏜ ? = ˚

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Precalculus Pre Calculus

04/16/21

Find all the values of 𝑦 such that the distance between the points (−3,10) and (−2, 𝑦) is 29

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Precalculus Pre Calculus

04/16/21

𝑥2 + 𝑦2−18𝑥 + 6𝑦 + 26 = 0 is the equation of a circle with center (ℎ, 𝑘) and radius 𝑟 where: ℎ = 𝑘 = 𝑟 =

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Math Algebra 1

04/16/21

What is the x-intercept of the line, given the slope is -5 and y-intercept is 20?

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Algebra 2

04/16/21

Find a function in standard form that has zeros of 4,sqrt5,-sqrt5

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Trigonometry Inverse

04/16/21

Find RADIAN measure of theta= sec^-1(-2) without a calculator

working it out I got sec= 1/cos(theta) which is -1/2 but looking at the unit circle there's multiple -1/2 s , how do I figure out which to choose?

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Calculus Precalculus

04/16/21

Construct a Polynomial, URGENT PLEASE HELP

Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms.Third-degree, with zeros of −2, −1, and 3, and passes through the point (1,11).

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Algebra 2

04/16/21

I need the width and length of the rectangle

You are making a fence for your rectangle garden.The length of the garden is six less than four times the width.

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Algebra 1b

04/16/21

a certain forest covers an area of 2300 km² suppose that each year this area decreases by 8.5% what will the area be after 11 years

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Geometry

04/16/21

If mAC = 54°, find m∠B in degrees.

Use the figure below to answer the question.If mAC = 54°, find m∠B in degrees.

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Geometry

04/16/21

AB is the common chord of ⊙O and ⊙Q.If AB = 10 and each circle has a radius of length 13, how long is OQ?

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Geometry

04/16/21

For each scenario below, determine which calculation should be made: Perimeter, Area, Lateral Area, Total Surface Area, or Volume.

Elena wants to paint her jewelry box blue. The jewelry box is in the shape of a cube and has an edge length of 4 in. How much blue paint will Elena need?

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Geometry

04/16/21

Find an equation of the circle and sketch it if it has: Center on x =3, tangent y -axis at (0, 5)

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Geometry

04/16/21

Which of the vector are: In opposite directions?

a = (1,2), b = (0,1), c = (−2,−4), u = (−2,1) , v = (2,4), w = (−6,3)

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Algebra 2 Precalculus

04/16/21

The Great Sin To find Secant question

Given sin (x) = -4/7 , 3π/2< x < 2π find sec x

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Algebra 2 Trigonometry

04/16/21

the graph of y=tan x - pi/2 compared to the graph y= tan x

moved up or down pi/2 units or moved left or right pi/2 units

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LSAT test scores are normally distributed with a mean of 155 and a standard deviation of 7. Find the probability that a randomly chosen test-taker will score 148 or lower

Z is the standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.62 ≤ Z ≤ 0.11)