If
f left parenthesis x right parenthesis equals 5 x squared minus 7 x plus 9f(x)=5x2−7x+9,
find f(0)=
In: Math
A coffee distributor needs to mix a Terraza coffee blend that normally sells for $10.50 per pound with a Gazebo coffee blend that normally sells for $13.40 per pound to create 100 pounds of a coffee that can sell for $10.60 per pound. How many pounds of each kind of coffee should they mix? pounds of the Terraza Blend. pounds of the Gazebo Blend
In: Math
Rosita wants to install a circular sink in her new triangular countertop.She wants to choose the largest sink that will fit.which point of concurrency must she locate? explain how to find the answer and make a sketch
In: Math
A projector screen is 3.5 ft tall and 6 ft wide. You want to project a photo that is 4 in tall by 6 in wide. What are the dimensions of the image of the largest photo that will fit on the screen?
In: Math
Square pyramids A and B are similar. In pyramid? A, each base edge is
99
cm. In pyramid? B, each base edge is
33
cm and the volume is
33
cmcubed3.
a. Find the volume of pyramid A.
b. Find the ratio of the surface area of A to the surface area of B.
c. Find the surface area of each pyramid.
In: Math
A company surveyed 1000 people on their age and the number of jeans purchased annually. The results of the poll are shown in the table.
| Jeans Purchased Annually | |||||
|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 or More | Total | |
| Under 12 | 0 | 64 | 79 | 57 | 200 |
| 12-18 | 10 | 69 | 76 | 65 | 220 |
| 19-25 | 21 | 69 | 114 | 56 | 260 |
| over 25 | 31 | 65 | 204 | 20 | 320 |
| Total | 62 | 267 | 473 | 198 | 1000 |
A person is selected at random. Compute the probability of the
following.
(a) The person is over 25 and purchases 3 or more pairs of jeans
annually.
(b) The person is in the age group 12-18 and purchases at most 2
pairs of jeans annually.
(c) The person is in the age group 19-25 or purchases no jeans
annually.
(d) The person is older than 18 or purchases exactly 1 pair of
jeans annually.
In: Math
In: Math
Discuss the differences and similarities in the analytic geometries developed by Fermat and Descartes.
In: Math
Profit Parabolas: The baseball card shop is trying to sell limited baseball cards for $30, yet no one is interested in buying the cards. The owner of the baseball card shop, reduced the price of the cards to help sales. The baseball card owner found for every $1 that, the price was reduced, it created 8 more customers daily( per day). If the baseball card owner reduced the price to $ 20, how many people(customers) will be buying baseball cards each day? What will be the total profit? What should be the price of the baseball cards to create the greatest profit for the owner? Graph the function. Clearly label the graph.
In: Math
What are some modern day applications of Pick's theorem?
In: Math
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Prove that the axiomatic set for Fano's 7 point/line geometry is independent
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Ali sails on a bearing of N20E for 18 km then S85E for 6 km . How far is he from his starting point?
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A pilot flew a jet from City A to City B, a distance of 1600 mi. On the return trip, the average speed was 20% faster than the outbound speed. The round-trip took 5 h 20 min. What was the speed from City A to City B?
It took a crew 3 h 44 min to row 7 km upstream and back again. If the rate of flow of the stream was 1 km/h, what was the rowing speed of the crew in still water?
In: Math
Determine whether you think the given pair of events is independent.
You frequent casinos. You have lost money gambling.
In: Math