2,690 Answered Questions for the topic SAT math

10/31/19

I don't even know where to start
A bridge with a supporting parabolic arch spans 60 feet with a 30-ft wide road passing underneath the bridge. In order to have a minimum clearance of 16 feet at either edge of the roadway, what is... more
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Sat Math Math Precalculus Psat

10/30/19

In a mixture of potting soil, the ratio of peat moss to compost is 3:5. How much of each is in a 12 pound bag of potting soil?
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10/30/19

can I get some explanation for this problem please

A coin is tossed four times. Then it is tossed again, the number of times a head was obtained in the first four tosses. What is the probability of getting at least 5 heads altogether?
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Sat Math

10/29/19

Which of the following expressions is not equivalent to 6^4/6^6 ?
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10/29/19

Trig Question, Please Help If You Know How To Do The Problem
I keep having to ask for help with this lesson, so if you have time time and are able to help me, step-by-step would be a huge help. Find x where pi ≤ x ≤ 2pi. 4 cos^2 x - 2 = sec^2 x - tan^2 x
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10/28/19

Trig Question, Help Needed Fast
find x where 0 ≤ x ≤ 2pi. cos x - tan^2 x=1. give your answers as a fraction ordered from least to greatest.
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10/26/19

Using the given information write the equation of parabolas:
a). the parabola has vertex at the origin and directrix x = −5.b). the parabola has focus (3, 0), and directrix y=3PLEASE HELP AND THANK YOU IF YOU DO!!
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10/25/19

Trig Class Question, Please Help If You Can
Find x where 0 ≤ x ≤ pi/2.5sqrt(3)/3 cos x= 1 + sqrt(3) cos x
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Sat Math

10/25/19

At davidson’s bike rentals, it cost $33 to rent a bike for 9 hours. how many hours of bike use does a customer get per hour?
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Sat Math

10/24/19

what is 92000 x 85000
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10/24/19

I can anyone help me understanding this problem

Let F and G be sequences which satisfy the joint recursion:𝐹𝑛+1 = 𝑎𝐹𝑛 + 𝑏𝐺𝑛𝐺𝑛+1 = 𝑐𝐹𝑛 + 𝑑𝐺𝑛Where a, b, c, and d are non-zero constants. Find recursions for F and G individually.
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10/24/19

Please Help! Quadratic Work!
Solve for x where 0 ≤ x ≤ 2pi.cot^2 x + 2 cot x +1 = 0.
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10/23/19

Trig Question Help Really Needed
Solve for x where 0 < x < pi/2.4sqrt(3) csc x -4 - 3 csc^2 x = 0
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10/23/19

quadratic equation help in my trig class needed
solve for x where pi ≤ x ≤ 2pi.tan^2 x + 2sqrt(3) tan x + 3 = 0.
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10/23/19

Trig Question! Thank you in advance!

Solve for x where pi ≤ x ≤ 2pi.sin^2 x - cos^2 x / cos^2 x = 0
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10/23/19

Quadratic Equation! Please Help!
Solve for x where 0 ≤ x ≤ pi.sec^2 x + 3 sec + 2 = 0.(the answers should be given as fractions, from least to greatest)
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10/23/19

Please Help! (Quadratics)
The problem says to solve for x where 0 ≤ x ≤ 2pi.cot^2 x + 2 cot x + 1=0. It also says that the answers should be given as fractions?
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10/22/19

Please Help!!! I'm not sure how to solve this.

how would i solve this equation for x where pi ≤ x ≤ 2pi? sin^2x-cos^2x ÷ cos^2x=0. it says that the answers should be entered as fractions. i know the steps but i can't figure out where i am going... more
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Sat Math

10/21/19

The sum of two numbers is 15 the difference is 7, what are the numbers?
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Sat Math

10/20/19

Simplify the expression using the properties of exponents. Expand any numerical portion of your answer and only include positive exponents.
(x^-2y)^2 (5x^0y)^3 ---------------------------(4x^3y^4)^3 (xy^-1)^3
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10/20/19

Polynomial Inequality Equation
x2 + 4x + 4 ≥ 9 2x3 + 13x2 - 8x ≥ 52
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10/20/19

Write series as a summation in sigma notation.
3+2+5/3+3/2PLEASE HELP ME AND THANK YOU IF YOU DO!!!!
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10/19/19

Write both series as a summation in sigma notation.
a). 3+2+5/3+3/2b). 5+8+11+14+17+20PLEASE HELP ME AND THANK YOU IF YOU DO!!!!
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10/19/19

Find the equation of the hyperbola if:

a). the asymptotes are y=0.5x and y=−4−0.5x, and one of the vertices is (−4, 0).b). it has x-orientation, with vertices (2, 0) and (−2, 0), and it goes through the point (4, 5sqrt(3))PLEASE HELP... more
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10/19/19

Using the information given below write the equation of the hyperbola:
a). The hyperbola has vertices (–2, 9) and (–2, 3) and foci (–2, 13) and (–2, –1).b). The transverse axis of the hyperbola lies on the line y=–3 and has length 6; the conjugate axis lies on the... more
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