|
PREP07 Test 1
|
Archaeologists in Michigan have excavated a Native American camp near Dumaw Creek. Radiocarbon dating of animal bones found at the site indicates that the camp dates from some time between 1605 and 1755. However, the camp probably dates to no later than 1630, since no European trade goods were found at the site, and European traders were active in the region from the 1620's onward.Which of the following, if true, most strengthens the argument?
|
|
GWD
|
The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
|
|
|
There are 8 magazines lying on a table; 4 are fashion magazines and the other 4 are sports magazines. If 3 magazines are to be selected at random from the 8 magazines, what is the probability that at least one of the fashion magazines will be selected?
|
|
|
Is the sum of $${p}^{2}$$ and $${q}^{2}$$ greater than 1?(1) p is greater than $$\frac{1}{2}$$.(2) q is greater than $$\frac{1}{2}$$.
|
|
|
What is the sum of the integers from -190 to 195, inclusive?
|
|
KMFDS
|
If (y+3)(y-1) - (y-2)(y-1) = r(y-1), what is the value of y?(1) $${r}^{2}={25}$$(2) r = 5
|
|
OG18-数学分册
|
If x and k are integers and $$({12}^{x})({4}^{2x+1})=({2}^{k})({3}^{2})$$, what is the value of k?
|
|
PREP07 Test 2
|
A certain farmer pays $30 per acre per month to rent farmland. How much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 605 feet? (43,560 square feet = 1 acre)
|
|
OG15 OG16 OG17 OG18 OG19 OG20 OG2022
|
Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m. By what percent did the ratio of price per share to earnings per share increase, in terms of k and m?
|
|
OG15 OG16 OG17 OG18
|
In the xy-plane, what is the slope of the line with equation 3x + 7y = 9?
|
|
|
If f is the function defined for all k by f(k) = $$\frac{k^5}{16}$$, what is f(2k) in terms of f(k)?
|
|
|
Working alone at its constant rate, machine K took 3 hours to produce $$\frac{1}{4}$$ of the units produced last Friday. Then machine M started working and the two machines, working simultaneously at their respective constant rates, took 6 hours to produce the rest of the units produced last Friday. How many hours would it have taken machine M, working alone at its constant rate, to produce all of the units produced last Friday?
|
|
|
At a certain bookstore, the regular price of each book is 20 percent less than its list price. If during a sale the price of each book at the store was 15 percent less than its regular price, then the price of a book during the sale was what percent less than its list price?
|
|
|
If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M?
|
|
|
If $$\frac{k}{60125}={0.001}$$, what is the units digit of k?
|
|
OG18-数学分册
|
For each landscaping job that takes more than 4 hours, a certain contractor charges a total of r dollars for the first 4 hours plus 0.2r dollars for each additional hour or fraction of an hour, where r>100. Did a particular landscaping job take more than 10 hours?(1) The contractor charged a total of $288 for the job.(2) The contractor charged a total of 2.4r dollars for the job.
|
|
|
If x is an integer, is 3x + 7 even?(1) (x – 5)(x + 1) = 0(2) x is a factor of 105.
|
|
|
 In parallelogram PQRS shown, if PQ = 4 and QR = 6, what is the area of PQRS?
|
|
|
If xy=165, where x and y are positive integers and x>y, what is the least possible value of x – y ?
|
|
|
There were 2 apples and 5 bananas in a basket. After additional apples and bananas were placed in the basket, the ratio of the number of apples to the number of bananas was $$\frac{1}{2}$$. How many apples were added? (1) The number of apples added was $$\frac{2}{3}$$ the number of bananas added. (2) A total of 5 apples and bananas were added.
|