06/28/25

System of Equations
kx - 2y = 37x + 4y = 4In the system of equations above, k is a constant and x and y are variables. For what value of k will the system of equations have no solution?A) -21/4B) -7/2C) 7/2D 21/4
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11/15/24

What's the value of cos(arctan(x))?
Evaluate cos(arctan(x)).
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07/30/24

A radioactive element has decayed to 1/32 of its original concentration in 30 days. What is the half-life of this element?
A radioactive element has decayed to 1/32 of its original concentration in 30 days. What is the half-life of this element?
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07/25/24

When you add three consecutive odd integers together, the sum equals 117. What are the three integers?
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07/23/24

what is the meaning of this Élevée à Paris par une mère française, elle rejoignait son père
What is the meaning of this sentence: Élevée à Paris par une mère française, elle rejoignait son père.Reared in Pairs by a French mother, she was traveling (in order) to join her father.1 is this... more
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07/05/24

Finding the condition that m and c satisfy with a given circle
How can I find the condition that m and c satisfy if y = mx + c touches the circle x2 + y2 - 2ax = 0
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07/02/24

Solve the following inequality:
2/x-2≤x-1Please explain in a detailed step-by-step process, I am very lost. Thank You.
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06/25/24

What are the values of X
2tanx/1-tan^2x = 1/√3I know it is pi/6 + pin/2 but the answers to choose are: 7pi/12 +npi, 11pi/12 +npi, 5pi/12 +npi and pi/12 +npi. Are the correct answers 7pi/12 +npi and pi/12 +npi Thank you
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06/20/24

find an angle theta

find an angle (theta) with 0 degrees < theta < 360 degrees that has the same:Sine as 80 degrees: theta = ? degreesCosine as 80 degrees: theta = ? degrees
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06/20/24

The terminal side of angle β in standard position goes through the point (-15,-8). Find the values of the six trigonometric functions of β.

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06/20/24

Find the exact value for the expression under the given conditions. (cosα+β), sinα = −8/ 17for α in Quadrant III and cosβ = −8/15 for β in Quadrant II.
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06/19/24

How do you solve a system of linear equations using the substitution method?
Example Question:Solve the following system of equations using the substitution method:y=2x+3x3x - y = 5 As a tutor, I can help you master solving systems of equations using various methods,... more
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06/18/24

Prove the law of sines
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06/13/24

How do I determine whether two circles intersect?
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06/13/24

Find the intersection points of two circles.
A circle of radius 10 at center (3,-2) and a circle of radius 10 at center (1,0) intersect. Find where they intersect.
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06/11/24

standard form of -16(t+1)(t-5)
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05/30/24

Find the slope of the line through P and Q. P(−8, 1), Q(5, −4)
1.10 Lines
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04/01/24

PERMUTATIONS HELP: When drawing 7 cards from a deck, what is the probability of drawing...

a.) 3 face cards? - answer 15.03%b.) at most 5 spaces? - answer 99.95%For a, I am doing this but this isn't right:[(12P3)(40P4)] / 52P7
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03/23/24

Linear Algebra Question
Find the shortest distance from the point P=(-3,-2,-3) to a point on the line given by 1: (x,y,z) = (-7t, 1t, 1t). Please help ASAP. Another person answered this before but got it wrong. I also... more
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10/04/22

solve the matrix equation for x
solve the matrix equation for xx[ -1 0 1 1 1 0 3 1 -1 ]=[1 3 0-7 1 10]
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02/03/22

write (x^3)^2 without exponents

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10/19/21

Write the below problem without exponents

(4y4)2
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04/25/21

Struggling with this problem
Use the properties of exponents to rewrite y=5e^{-0.7t} in the form y=a(1+r)^t or y=a(1-r)^t . Round the value of r to the nearest thousandth. Then find the percent rate of change to the nearest... more
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04/20/21

Exponents and Logarithms, Simplifying and simplest form
Write each expression as a single logarithm in simplest formLog5 (x2-16) - Log5 (x2-2x-8)3Log8 (x+3) - Log8 (x2+x-6)They have to be in the format that is logx[x/x]A simplified fraction in simplest... more
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03/03/21

How do you simply this answer with using only positive exponents
x-9 divided by x2
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