02/28/22

Calculus Question
The half-life of cesium-137 is 30 years. Suppose we have a 150-mg sample.(a) Find the mass that remains after t years.y(t) =  ______ mg(b) How much of the sample remains after 120 years? (Round... more
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02/28/22

An item costs $430 before tax, and the sales tax is $34.40, find the sales tax rate
An item costs $430 before tax, and the sales tax is $34.40, find the sales tax rate
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02/28/22

whats the answer for this I am very confused
The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 308 people entered the park, and the admission fees collected totaled 862.00 dollars. How many... more
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02/28/22

The gym has a total of 25 treadmills and stationary bikes. There are 7 more stationary bikes than treadmills. How many treadmills are there, how many stationary bikes are there?
I need to know how to find those two and solve them.
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02/28/22

Fractions, Please help
Nick and Ken have some yellow staplers and some pink staplers. The number of pink staplers Nick has is equal to the number of yellow staplers Ken has. 1/4 of Nick's staplers are yellow and 1/5 of... more
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02/28/22

The lengths of the diagonals of a rhombus are 2x and 8x. What expressions give the perimeter and area of the rhombus?
The lengths of the diagonals of a rhombus are 2x and 8x. What expressions give the perimeter and area of the rhombus?The lengths of the diagonals of a rhombus are 2x and 8x. What expressions give... more
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02/28/22

can anyone help me in this
Quadrilateral ABCD is a parallelogram. What is BC?BC = 
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02/28/22

is this a kite?

Give the most precise classification for the figure.
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02/28/22

Find the equation of the line that goes through the points (4,−7) and (9,5). Write your answer in slope intercept form
Find the equation of the line that goes through the points (4,−7) and (9,5). Write your answer in slope intercept form
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02/28/22

The perimeter of a rectangle is 30 inches. If its length is 3 times its width, find the dimensions

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02/28/22

The perimeter of a rectangle is 30 inches. If its length is 3 times its width, find the dimensions

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02/28/22

A laptop has a listed price of 519.99 before tax. If the sales tax rate is 8.5%, find the total cost of the laptop with sales tax included. Round your answer to the nearest cent, as necessary
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02/28/22

Please answer the following question below and pick one answer
Which of the following sentences does not contain an inappropriate shift in verb tense? After Joy vacuums the floor, Frank polished it. After Joy vacuumed the floor, Frank polishes... more
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02/28/22

Solve the system for each variable, and check your solutions.
12. x + y + z = 6 and 2x – y + z = 3 and x + 2y – 3z = -413. x + y + z = 12 and x + 2y + 3z = 31 and 9y + z = 1
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02/28/22

Calculus Question
The half-life of cesium-137 is 30 years. Suppose we have a 150-mg sample.(a) Find the mass that remains after t years.y(t) =  ______ mg(b) How much of the sample remains after 120 years? (Round... more
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02/28/22

A model for a​ company's revenue from selling a software package is ​R(p)=-2.5p^2+600p, where p is the price in dollars of the software. What price will maximize​ revenue? Find the maximum revenue.
i need help asap pls pls pls pls
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02/28/22

A lottery offers five Php 1000, two Php 5,000, and one Php 10,000. One Thousand tickets are sold at Php 30 each. Find the expectation if a person buys one ticket.
Mean and Variance of the given myu=E[ x times P(x)]
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02/28/22

PLEASE HELP ME IN THIS
The flight path of a plane is a straight line from city J to city K. The roads from city J to city K run 9.4 miles south and then 15.1 miles east. How many degrees east of south is the plane’s... more
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02/28/22

Find the missing value of the ordered triple that will make the solution to the equation x + 2y – 3z = 8 true.
7. (4, , 0)8. ( , -2, -2)9. (2, 3, )10. (-3, -2, )
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02/28/22

Algebra - Solving Equations by Complete the square.
A rectangular deck has an area of 320 ft2. The length of the deck is 4 feet longer than the width. Find the dimensions of the deck. Solve by completing the square.
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02/28/22

write a equation of the points (4,-2) and (8,-6)
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02/28/22

Word problem with multiple decimal operations: Problem type 2
Greg made 2 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for both necklaces was $8.40. If the beads cost $2.40 for each necklace, how much did each... more
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02/28/22

Suppose that y varies inversely as the square of x, and that y=9 when x=14. What is y when x=9? Round your answer to two decimal places if necessary.
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02/28/22

Functionnnnnnnnn
What is the function if the x values are 1,2,3,4 and y values are 2,0,-2,-4.
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02/28/22

Use the rational zeros theorem to list all possible rational zeros of the following.
h(x) = -9x3 + 25x4 - 6x2 - x - 1Be sure that no value in your list appears more than once.
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