08/23/21

From Singapore, Just do not know how to do some question on trigonometry
1) 2cos2θ = -12) secθ = 3cosθ3) secθ = 3cosθThank you so muchhhh!!!!
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08/23/21

Brief Calculus.
A clothing business finds there is a linear relationship between the number of sweaters that it can sell and the price they charge per sweater. In particular data shows that when the price was set... more
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08/23/21

Areas under The normal Curve
The mean of 200 numbers is 52 with a standard deviation of 7, what is the probability of getting a number between 50and 72?Write your answer in four decimal places.
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08/23/21

The sum of Mr Lee and his son;s age is 60 years. Six years ago, Mr Lee's age was trice that of his son. How old is each of them now?
The sum of Mr Lee and his son;s age is 60 years. Six years ago, Mr Lee's age was trice that of his son. How old is each of them now?
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08/22/21

Simplifying expressions with radical exponents
(243x^10y^5)^1/5Could someone provide the answer to this problem along with explained steps to how you solved it please?
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08/22/21

The North Bend Women's Soccer League has eight teams. If each team plays all the others twice, how many games will have been played?
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08/22/21

twice a number divided by 6 is 42
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08/22/21

Help Math problem
Determine the restrictions on x9/x-6 - 4/x-7= 3/4 if there is more than one answer, use the “ and” button
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08/21/21

The equation of the line with an x-intercept of −1 and a y-intercept of −5 can be written in the form y=mx+b where
The equation of the line with an x-intercept of −1 and a y-intercept of −5 can be written in the form y=mx+b wherethe number m is:   the number b is:   
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08/21/21

Your client, Jake, spends 4 hours a day doing his homework. 25% of his time spent doing homework is math homework. How many hours a day is Jake spending doing math homework?
 Your client, Jake, spends 4 hours a day doing his homework. 25% of his time spent doing homework is math homework. How many hours a day is Jake spending doing math homework?
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08/21/21

Order of Operations with decimals and a few addition/subtraction problems on the numerator and decimals and more problems as the denominator
I'm homeschooled and I don't know who really to ask on how to solve problems like these. 1.) 5.6899 x 9-7/6.1388+52.) 6.6587 + 5/63.) 10/9-3 + 1.8489/7.9582 Do I... more
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08/21/21

The statement "A number p decreased by three times another number q is equal to r", can be expressed algebraically as
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08/21/21

Write the algebraic expressions for 2 less than 3 times m
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08/21/21

IF f(x)= 5x^2-3x+2 and g(x)=5x+8, find f(g(x))
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08/21/21

Need Help with math problem :(
Given that ƒ(x) = 2x + 1 and g(x) = 3 + 6/xa) Find ƒ(g(x))b) Find g^-1 (x)c) Suppose that h(3+6/x) = 9 + 36/x^2Find h(x)
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08/21/21

Study Guide for final exam
(Total 8) A box contains 4 quarters, 3 dimes, and 2 nickels.a. (4) Two coins are selected at random without replacement one at a time.Compute the probability that the first coin is a dime and the... more
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08/21/21

Solution for x,y
-2x=4x+62(2y+3)=3x-5
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08/20/21

Math help me please

an assistant receives a 10% raise bringing the salary to $47,028 what was the salary before the raise?(round to the nearest dollar)
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08/20/21

Find the equation (in terms of x ) of the line through the points (-2,5) and (2,0) y =
Find the equation (in terms of x) of the line through the points (-2,5) and (2,0)y=
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08/20/21

raise n to the 5th power, divide m by the result, then double what you have
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08/20/21

Can someone please make sure this Pre-Algebra problem is correct? I’m trying to help my younger brother with his homework, and I want to make sure it’s correct.
Two cards are drawn at random from a normal deck of 52 cards and not replaced. What is the probability that both cards are red?(A) 1/4(B) 1/2(C) 13/51(D) 25/102My brother and I both got (B) 1/2,... more
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08/20/21

Describe the transformation of the graph of f into the graph of g as either a horizontal or vertical stretc
Describe the transformation of the graph of f into the graph of g as either a horizontal or vertical stretch.  and  
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08/20/21

help with precalculus
1/ Determine if the function is one-to-one.   i think yes2/ Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x)=4/x and g(x)=4/2
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08/20/21

You invested $29,000 in two accounts paying 8% and 9% annual interest, respectively.
You invested $29,000 in two accounts paying 8% and 9% annual interest, respectively. If the total interest earned for the year was $2360, how much was invested at each rate?
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08/20/21

what is a real world problem for 4 divided by 1/3
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