02/10/23

SAT Reading Section: How Can I improve scores for 19th Century Fiction Passages?

Given that each SAT exam, as well as each ACT exam, has Reading Passages that were written before 1900, how can I get better at understanding what they mean? How can I find ways to make sense of... more
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12/12/22

Suppose f(x) = 3x + 5. Describe how the graph of each function compares to f.
Suppose f(x) = 3x + 5. Describe how the graph of each function compares to f.1. g(x) = f(x) + 122. h(x) = f(x) −7 3. g(x) = f(x + 8)4. h(x) = f(x − 14)5. g(x) = 4f(x) 6. g(x) = f(5x)
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12/10/22

Prove the following identities: (i)cos^2x (1+tan^2x)=1, (ii) (2 sin x +cos x)^2=5, (iii) (1+sin x/cos x)^2=1+sin x/1-sin x, (iv) 1- (sin^2 x)/1+cos x= cos x, (v) 1-2cos^2 x/sin x+cos x= sinx-cosx.
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12/09/22

Pre algebra plz help me asap
 Two values that would make the x < -10 true. Explain how you know the values are solutions to the inequality.
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12/09/22

algebra 2 helpp
Determine the quotent (5x⁴+12x³-64x²-95x+132) divided by (x-3) possible answersA). 3x³+21x²+x-31B). 3x³-21x²-x+31C). 5x³+27x²+17x-44D). 5x³-27x²-17x+44
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12/06/22

Trig Identities
I am unsure of how to verify this using trig identities...(1)/(1+sec(A))+(1)/(1-sec(A))=-2cot^(2)(A)
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12/02/22

Kyla invests USD 2,397 in a fixed annual interest account, compounded every 2 months; after 5 years, the account has reached USD 2,689.88.

What is the interest rate on this account?
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12/01/22

Find the exact solutions to sin(4x)cos(x)=cos(4x)sin(x) in the interval [0,2π). If the equation has no solutions, respond with DNE.
Find the exact solutions to sin(4x)cos(x)=cos(4x)sin(x) in the interval [0,2π). If the equation has no solutions, respond with DNE.
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11/27/22

find the domains of following functions

The domain of arccot(x) is .The domain of arcsec(x) is .The range of arccos⁡(x) is .The range of arcsin⁡(x) is .Note that you must enter the appropriate intervals here. Endpoints of intervals: If... more
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11/17/22

Math Conversion
The drainage basin of the Delaware River encompasses about 35,500 km^2 (= 35 x 109 m^2). The average annual precipitation for the drainage area is about 44 inches/year (= ~1.1 m/yr) and the... more
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