2,691 Answered Questions for the topic SAT math

Sat Math

01/01/20

Sat question (Answer is 6)
An after-school sewing club has 120 yards of fabric to divide equally among the members of the club. When two more students join the club at the last minute, each member gets 5 fewer yards of... more
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12/29/19

Find the Amplitude Equation
A wave has the following equation:y=0.3(0.7+1.2cos(pi/2))What is it's Amplitude?Is it just 0.3 because that's what I thought?
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12/29/19

Function of a single angle! Please Help!
Express this as a function of a single angle:tan 55°-tan 17°/1+tan 55°tan 17°
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12/29/19

Express the following as a function of a single angle.
cos(60°)cos(-20°)-sin(60°)sin(-20°)I got sin40. Is that correct?
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12/29/19

rocket maximum question
The path of a rocket is given by the function, h(t) = -3t2 + 30t + 73, where 'h' is the height in meters and 't' is the time in secondsa. what is maximum height of rocketb. at what time does rocket... more
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Expert Answers •4

12/28/19

Solve for X Problem
Solve for x where pi/2 ≤ x ≤ 3pi/2.-4 cos^2(x) + 4sqrt(2) sin(x) + 6=0.Enter your answer as a fraction.
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12/28/19

Find x where 0 ≤ x ≤ 2pi
4sqrt(2) tan x - sqrt(2)= 3sqrt(2) tan xEnter your answers as fractions from smallest to largest.
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12/28/19

Simplify this Cosine Problem
sin^2x-cos x (cos(-x)) sin^2x
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12/28/19

Solve this Problem
sin(-x)/cos(x)Solve this problem.
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Expert Answers •3

12/28/19

Simplify this Sine Problem
cos(pi/2 - x)[sec(pi/2 - x)-cos(pi/2 - x)]
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12/27/19

Simplify the Problem
cos(pi/2 - x)[sec(pi/2 - x)-cos(pi/2 - x)]
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12/27/19

Sec Csc Problem
Which expression is not equal to the following: sec^2(x)csc^2(x)A. sec^2(x) + csc^2(x)B. cos^2(x) + sin^2(x)C. sec^2(x) + sec^2(x) cot^2(x)D. (1+ tan^2(x)) csc^2(x)
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Expert Answers •3

12/27/19

Sine Function Problem
a sine function has an amplitude of 4/7, period of 2pi, horizontal shift of -3pi, and a vertical shift of 1. what is the y-value of the positive function at x=pi/2?
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12/27/19

Find the Horizontal Shift

y=-2cos(1/4x- pi/2)Find the horizontal shift of this problem.
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Sat Math Math Calculus Algebra

12/27/19

Write a rule that represents the function
(0,0)(1,4)(2,16)(3,36)(4,64)
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Expert Answers •3

12/27/19

Graphing Question For Trig
Which of the following points is not on the graph of y= cot x?A. (5pi/6, -sqrt(3))B. (7pi/4, -1)C. (4pi/3, sqrt(3))
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12/26/19

Cosine Problem for Trig
if y= -cos x, what x-value corresponds to a y-value of 1 between 0 and 2 pi
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12/26/19

Please Help With This Trig Problem
5(cos 220° + i sin 220°)/2(cos 115° + i sin 115°)A. 5/2(cos 105° + i sin 105°)B. 2/5(cos 105° + i sin 105°)C. 5/2(cos 335° + i sin 335°)D. 10(cos 335° + i sin 335°)
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12/25/19

Find the Quotient
5(cos 220° + i sin 220°)/2(cos 115° + i sin 115°)A. 5/2(cos 105° + i sin 105°)B. 2/5(cos 105° + i sin 105°)C. 5/2(cos 335° + i sin 335°)D. 10(cos 335° + i sin 335°)
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Sat Math

12/25/19

If 2a-b=4, what is the value of 4^a/2^b?
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12/25/19

Trig Problem Please Help
A car travels in the direction of 135°. What is its compass heading?(In Degrees)When I did the problem, I got 315°. Is that correct?
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12/25/19

Word Problem Please Help
An airplane flies 200 km due west from city A to city B and then 300 km in the direction of 30.0∘ north of west from city B to city C. How far is city C from city A?
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Sat Math

12/25/19

After a 20% discount, followed by a 20% tip, the price of a meal for two is $24. What was the original price for both meals?
I know the answer to this question but one step still confuses me. I know a 20% tip is really 1.2, so my teacher did 1.2y=24. She made “y” the amount of the original meal with the discount. I don’t... more
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12/23/19

polynomial function problem
given : p(x) = x(x+5)(x+3)(x-2)2what degree is the polynomial function?what is the end behavior of p(x)?
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12/23/19

Polynomial problems
Find all real zeros of the polynomials and determine the multiplicity of each. (solve by factoring)f(x) = x3 - 6x2 - 9x + 54f(x) = x4 + 5x3 + 6x2
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