2,685 Answered Questions for the topic SAT math

06/03/21

Statistics Question, urgent help
Show all steps please I really don't understand Why isn't it 8(1/2) + 5(2.9) / 4.1, why can't it be divided by 4.1 (sum of category weights) its part of the formula, (sum of(category value x... more
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06/02/21

A spring is attached to the ceiling and pulled 16 cm down from equilibrium and released
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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06/02/21

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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06/02/21

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 month
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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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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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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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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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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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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06/02/21

Integrals Problem
∫410 f(x)dx − ∫49f (x)dx = ∫ab f(x)dxwhere a= and b=
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06/02/21

Integrals Problem

Given that 7≤f(x)≤10 for 1≤x≤4, estimate the value of ∫14 f(x)dx ....... ≤ ∫14 f(x)dx ≤ ......
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06/02/21

Integrals Problem

Let y=∫1cos(x) (−9t+10sin(t))dt. Use the Fundamental Theorem of Calculus to find y′.y′=
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06/02/21

True or False. Proving Identities
(csc4x - 2 csc2 x + 1)/(cot2x) = (tan2x) is an identity.True or False?
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06/02/21

True or False. Proving Identities

(1 +sin t)/cos t + (cos t)/(1 + sin t) = (2 csc t) is an identity.True or False?
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06/02/21

True or False? Proving Identities
(1 -sin t)/(cos t) + (cos t)/(1- sin t)= (2 sec t) is an identity.True or False?
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06/02/21

How do you mark the measures of central tendency on a histogram?

How do you mark the measures of central tendencyon a histogram? Say you have Mode interval: (2-3) or 2.5, Median = 9.5, Mean = 2.7 for example.Please show this if you can, thank you so much.
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06/02/21

Statistics Question, please explain steps
Please explain all steps, thank you. Which formula is used?
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06/02/21

math question help, please explain
PLEASE explain and which formula is used sample or population mean?
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06/02/21

Math Question Help
1.Lisa needs a science mark of 90% to get into her college program. If her term mark is82% and it is worth 70% of her final mark, is it possible for her to achieve the 90%?
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06/01/21

Math Question Help
The average daily rainfall for the first four days of May was 21 mm. On the first day itrained 15 mm, on the second day it rained 21 mm, and on the third day it rained 12 mm.How much did it rain on... more
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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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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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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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Expert Answers •1

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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Expert Answers •1

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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