2,685 Answered Questions for the topic SAT math

06/01/21

A population of rabbits oscillates 15 above and below average during the year
A population of rabbits oscillates 15 above and below average during the year, hitting the lowest value in January (t = 0). The average population starts at 900 rabbits and increases by 190 each... more
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06/01/21

If csc ( x ) = 7 , for 90 ∘ < x < 180 ∘ , then

If csc ( x ) = 7 , for 90 ∘ < x < 180 ∘ , then sin ( x/2 ) = cos ( x/2 ) = tan ( x/2 ) =
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Sat Math Math Precalculus Sat

06/01/21

Use half angle or power reduction formulas to fill in the blanks in the identity below:
Use half angle or power reduction formulas to fill in the blanks in the identity below:(sin(5x))^4 = ___ −1/2cos(____  x )+1/8cos(____  x)
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06/01/21

Use a half angle or reduction formula to fill in the blanks in the identity below:
Use a half angle or reduction formula to fill in the blanks in the identity below: ( cos ( 4 x ) )^2____ = + ____ cos ( x )
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06/01/21

Solve 6cos(2ϕ)=6sin^2(ϕ)+5 for all solutions 0≤ϕ<2π
Solve 6cos(2ϕ)=6sin^2(ϕ)+5 for all solutions 0≤ϕ<2πϕ =   Give your answers accurate to at least 2 decimal places, as a list separated by commas
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06/01/21

Solve 3 sin(2t)+3sin(t)=0 for all solutions 0≤t<2π
Solve 3 sin(2t)+3sin(t)=0 for all solutions 0≤t<2πt =   Give your answers accurate to at least 2 decimal places, as a list separated by commas
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06/01/21

Using a double-angle or half-angle formula to simplify the given expressions.
Using a double-angle or half-angle formula to simplify the given expressions.(a) If cos^2(31∘) − sin^2(31∘)=cos(A∘), then A=____    degrees(b) If cos^2(5x) − sin^2(5x)=cos(B), thenB=  ___  .
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06/01/21

If sin x = 1 4 sinx=14 , x in quadrant I, then find (without finding x) precalculus
If sin x = 1/4 , x in quadrant I, then find (without finding x) sin(2x)= cos ( 2 x ) = tan ( 2 x ) =
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06/01/21

A woman drives an SUV that gets 13 ​mi/gal (mpg). Her husband drives a hybrid that gets 65 mpg.
A woman drives an SUV that gets 13 ​mi/gal (mpg). Her husband drives a hybrid that gets 65 mpg. Every​ week, they travel the same number of miles. They want to improve their combined mpg. They have... more
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05/31/21

A group of children were asked how many hours a day they spend watching television.
A group of children were asked how many hours a day they spend watching television. Determine the mean, mode, and median.
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05/31/21

A company considers 5 things when hiring people.
A company considers 5 things when hiring people. Each applicant gets a score from 1 – 5 and each category has a weighting from 1 – 3 in terms of importance. Below is the result of one applicant’s... more
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05/31/21

urgent help weighted mean
How to know when to use weighted mean in a question? And could someone explain the formula, and what it means please! Thank you so much.
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05/31/21

urgent help Sample & Population Mean
How to know when to use sample or population mean? And could someone explain both formulas, and what they mean please!
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05/31/21

Probability of Combined Events
A bag contains 22 red marbles, 15 purple marbles and a number of green marbles. A marble is randomly selected from the bag. Probability choosing red marble is 11/25. Find the number of green... more
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05/31/21

Probability of Combimed Events
Two fair dice are tossed simultaneously. Find the probability of getting(a) prime numbers and odd numbers. (b) an even number or a number greater than 4.
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05/29/21

Quadratic equation
The quadratic equation 2x²=6x+3 has roots p and q. Find the quadratic equation with the roots p2q dan pq2.
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05/29/21

Urgent Help Which type of bias is the following?
a) A survey asks,What is your favorite flower: tulip, rose, or orchid?Is this measurement bias?
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05/27/21

Linear, quadratic, and exponential

These data show the mass of algae in a pond during summer changes over time.Time (s) 5 10 15 20 25 30Mass (kg) 4.4 5.2 6.6 8.4. 10.8 13.6a) Perform linear,... more
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Sat Math Math Act Math Maths

05/27/21

the subset of the real number consisting of all real numbers x that lie between a and b, excluding a and b, can be denoted by a<x<b or by the open interval? True or False?
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Sat Math Math Act Math Maths

05/27/21

if the slope of a line is a horizontal line or straight left and right it is said to?
A. has aslope of oneB. not have a slope or undefinedC. has a slope of zeroD. has a slope of negative
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Sat Math

05/27/21

An organization has 20 members. How many ways are there to choose a president, vice president, secretary, and treasurer of the club?

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05/26/21

I need some help solving this written equation. Please and thank you
If $1,800 is deposited into a bank account that earns 12% annual interest, compounded continuously, what is the amount in the account after 10 years, rounded to the nearest dollar? What formula... more
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05/26/21

Is this equation exponential growth or decay?
Does the equation y=0.89^x represent exponential growth or exponential decay?
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05/26/21

I need help solving this algebra question. Can someone help? Thank you!
Mr. Frankel bought 5 tickets to a puppet show and spent $22. He bought a combination of child tickets for $2 each and adult tickets for $8 each. Which system of equations below will determine the... more
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05/26/21

Urgent Help! A teacher creates a new blog about mathematics and statistics.
A teacher creates a new blog about mathematics and statistics. She collects data showing the number of pageviews in the first few months.d) Predict the number of pageviewsexpected in December.
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