2,685 Answered Questions for the topic SAT math

Sat Math

11/15/21

An Uber driver charges $6 to pick up a passenger and 50 cents per mile for any trip.
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11/13/21

To make the game fair, who should gain points if a 1 is rolled, and how many points should they gain?
A single six-sided die is rolled and point values are assigned to each outcome. The dice is rolled once and if the dice shows a 5 or a 6, Joe gains 6 points. If the dice shows a 2,3 or 4, Fred... more
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11/13/21

Find the probability that Fred will have a sum of 7, find the probability that Joe and Fred will both have the same sum, and find the probability that billy has a higher sum than 9.
Joe rolls two dice and adds the numbers showing. Fred then rolls two dice and adds the numbers showing.
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Sat Math Math Math Precalculus

11/13/21

Independent events, A and B where P(B) = 0.25 and P(A ∩ B) = 0.15. Find P(B' l A) and P(A' ∩ B')
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Sat Math Math Geometry

11/12/21

What is the equation of a line (in standard form) that passes through point A(1,-4) and has a slope of 3/4?
What is the equation of a line (in standard form) that passes through point A(1,-4) and has a slope of 3/4?
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Sat Math Math Physics Finance

11/11/21

Complicated Work time math help.
A and B working together for 9 hours work in x days. B and C can get the job done in half the time A and B could in the same no of days. C and D working 8 hours takes 15 days longer than A and B to... more
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11/10/21

Can you show me how to find (1.016)^3 without calculator?
Anyone can do 1.0163 with a calculator but I am weak in decimal-related calculations and have to sit for exams that do not allow calculators. So can anyone show how to do this step by step without... more
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Sat Math Math Act Math

11/09/21

Counting boxes and remainders
You need to place the boxes in the cages so that in each cage there is the same amount of boxes. After placing 5, 6, 8 boxes, always one box was remaining. What is the minimum number of boxes there... more
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11/09/21

Tricky probability problem
Please help me to solve this one.Mark bought 5 yellow, 3 green, 2 blue, and 2 red notebooks. The next day he brought two of his 12 notebooks. IF he takes the third notebook from the remaining ones,... more
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11/08/21

How to do that?
The parametric equations for the motion of a charged particle released from rest in electric and magnetic fields at right angles to each other take the forms x=a(θ−sinθ),y=a(1−cosθ). Show that the... more
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Sat Math Calculus Act Math

11/08/21

How can i do that?
Using logarithmic differentiation, Show that y(x)= xa2x ex^2 has no stationary points other than x=0, if e-√2 <a <e√2
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Sat Math Calculus Gre Act Math

11/08/21

How can i solve this?
American Airlines requires that the total outside dimensions (length+width+height) of a checked bag not exceed 62 inches. Suppose you want to check a bag whose height is same as its width. What is... more
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Sat Math Calculus Algebra

11/08/21

How to solve this?
Differentiate xsin-1(x) with respect to sin-1x
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11/08/21

How to solve this?
Find the equations of tangents for the implicit function x3y+cos(x2y)=x2 at the points on the curve where y=0.
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11/06/21

If Sergio has 4 times as many nickels as quarters and they have a combined value of 315 cents, how many of each coin does he have?
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Sat Math

11/05/21

linear relationships and slope form
A student has a business selling snowballs during the summer. For each snowball the student sells, they makes a profit of $1.50. On the hottest day of the summer, the student sold 125 snowballs and... more
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11/04/21

You spend $1,363 for a bond with a $1,000 face value and a 6% coupon. After one year, though, you decide to sell it. You’re pleased to find that the value of the bon….
You spend $1,363 for a bond with a $1,000 face value and a 6% coupon. After one year, though, you decide to sell it. You’re pleased to find that the value of the bond is now $1,461, so you sell for... more
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11/04/21

5. A $10,000 bond carries a 9% coupon and is 12 years from maturing. .,,..
5. A $10,000 bond carries a 9% coupon and is 12 years from maturing. If prevailing interest rates are 3%, what would you be willing to pay for the bond
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11/02/21

Trigonometry: finding value of sin(a)
How to solve such problems:a) find sin(a), when tan(a/2)=4/3 and 0<(a/2)<(π/2)b) sin (4a), when tan(2a)=-2 and (π/2)<2a<π
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10/31/21

Statistics Probability Question
Let Y be a random variable that represents the number of infants in a group of 4,000 who die from asthma in a year. In the United States, the probability that a child dies from an acute asthma... more
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10/30/21

Probability Question

 Consider a group of nine individuals selected from the AARP (American Association of Retired People) of 50-year-olds and above in the United States. The number of persons in this sample who suffer... more
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Sat Math

10/29/21

If I deposit $2,000 into an account that owns 4% simple annual interest how much money will I have in 5 years
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10/28/21

How to solve this math by k(x+h)-k(x)/h this formula?

Consider the piecewise functiong(x)={(1+x)4−1, if x≥0 sin(4x), if x<0.Discover whether g(x) is differentiable at x=0 using the limit definition of the derivative. Without carrying out any... more
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Sat Math Math Act Math Maths

10/28/21

AMDM (Mathematics) Question
A vector starts at point ( 7, -5) and ends at point (9, -4) what is the vertical component of the vector?
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Sat Math Math Act Math Maths

10/28/21

AMDM (Mathematics) Question
A person is pushing on a car with a force of <25,-13> and another person is pushing on a car with a force of <18,2>. What is the net force in the vertical direction?
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