2,195 Answered Questions for the topic Pre Calculus

06/02/21

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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Pre Calculus Math Precalculus Statistics

06/02/21

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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Pre Calculus Math Precalculus Statistics

06/02/21

ive been stuck need help please explain cleary
If csc ( x ) = 8 , for 90 ∘ < x < 180 ∘ ,, then sin(x/2)= cos(x/2)= tan(x/2)=
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06/02/21

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 ( 7 x ) ) ^ 2=___+____cos(____x)
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Pre Calculus Math Precalculus Statistics

06/02/21

help please explain cleary its due in a hour
~Solve  5 cos ( 2 t ) = 5 sin ^ 2 ( t ) + 1 for all solutions  0≤ t <2π t =     Give your answers accurate to at least 2 decimal places, as a list separated by commas
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Pre Calculus Math Precalculus Statistics

06/02/21

If sin x = 2/5, x in quadrant I, then find (without finding x)

If sin x = 2/5 sinx=25 , x in quadrant I, then find (without finding x) sin ( 2 x ) = cos(2x)= tan(2x)=Please explain clear it takes time for me to understand
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Pre Calculus Math Finance

06/02/21

HELP PLEASE!!! ASSIGNMENT DUE SOON
A furniture company allows customers to purchase household furnishings with an in-store loan, pay with cash or a credit card, or Rent-To-Own with a lease agreement. A customer chooses furniture... more
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Pre Calculus Math Finance

06/02/21

HELP PLEASE!!! ASSIGNMENT DUE SOON
Kawai requires a loan of $33,000 to buy a used sport utility vehicle. His banks offers financing at 6.75% compounded monthly, for a term of 6 years, payable monthly. What is the total cost of this... more
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Pre Calculus Math Finance

06/02/21

HELP PLEASE!! assignment due soon
A tithe of $35,000 is made to a local church. The money is to be invested and theaccumulated amount used to purchase a new youth group bus. How long will it take for the tithe to double in value if... more
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Pre Calculus Math Precalculus Sat Math

06/01/21

can you explain so i can understand?

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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Pre Calculus Math Precalculus Sat Math

06/01/21

please explain clearly thank you this is precalculus by the way
If csc ( x ) = 7 , for 90 ∘ < x < 180 ∘ , thensin ( x/2 ) =cos ( x/2 ) =tan ( x/2 ) =
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Pre Calculus Math Precalculus Sat Math

06/01/21

A spring is attached to the ceiling and pulled 16 cm down from equilibrium and released. After 4 seconds
A spring is attached to the ceiling and pulled 16 cm down from equilibrium and released. After 4 seconds the amplitude has decreased to 7 cm. The spring oscillates 6 times each second. Assume that... more
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Pre Calculus Math Precalculus Sat Math

06/01/21

A spring is attached to the ceiling and pulled 8 cm down from equilibrium and released.

A spring is attached to the ceiling and pulled 8 cm down from equilibrium and released. The amplitude decreases by 7% each second. The spring oscillates 16 times each second. Find an equation for... more
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Pre Calculus Math Precalculus Sat Math

06/01/21

please help its due in 1 hour precalculus

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 1000 rabbits and increases by 6% each... more
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Pre Calculus Math Precalculus 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
Follows • 2
Expert Answers •1
Pre Calculus Math Precalculus Sat Math

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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Pre Calculus Math Precalculus Sat Math

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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Pre Calculus Precalculus Sat Math Sat

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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Pre Calculus Math Precalculus Sat Math

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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Pre Calculus Math Precalculus Statistics

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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Pre Calculus Algebra 2

06/01/21

You are working for a power plant that is located on a highway from east to west. Please help me find the answers to 1-4

The town of Cortez is located 50 miles east of the power plant and 6 miles north of the freeway. The town of Joplin is located 43 miles east of the power plant and 10 miles south of the freeway. To... more
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Pre Calculus Precalculus

05/30/21

Help this is due in 20 minutes
If a ball is thrown directly upward with a velocity of 38 ft/s, its height (in feet) after t seconds is given by y = 38t − 16t2.What is the maximum height attained by the ball? (Round your answer... more
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Pre Calculus Math Precalculus Sat

05/24/21

Solve 7cos(4x) precalculus

Solve 7cos(4x)=2 for the smallest three positive solutions.Give your answers accurate to at least two decimal places, as a list separated by commas
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Pre Calculus Math Precalculus Sat Math

05/24/21

Solve cos(x)=−0.9 precalculus

Solve cos(x)=−0.9 on 0≤x<2πThere are two solutions, A and B, with A < B  A =   B =   Give your answers accurate to 3 decimal places
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