Math Pt. 1
(2x+4)(3x+1)
6x2+14x+4 (FOIL)
If (2/a-1) = 4/y, and y does not equal 0 where a does not equal 1, what is y in terms of a?
y=2a-2
Explanation:
2y=4a-4
y=2a-2
The share of library materials that is in nonprint formats is increasing steadily; in 2010, at least 18.5 million e-books were available #1 for them to circulate.
Choose which sounds the best for #1:
a. No change
b. to be circulated by them
c. for their circulating
d. for circulation
d. for circulation
More like a #1 fair then an actual cafe, the first Repair Cafe took place in Amsterdam, Netherlands.
Choose which is best for #1:
a. No change
b. fair than
c. fare than
d. fair, then
b. fair than
4 people want to split 12 cookies. How can these 4 people split the cookies evenly.
Each person gets 3 cookies (12/4=3)
In the complex number system, which of the following is equal to (14-2i)(7=12i)? (Note i=the square root of -1)
122+154i
Explanation:
Distributive property, then simplify
As a result, librarians must now be proficient curators of electronic information, compiling, #1 catalog, and updating these collections.
Choose which is best for #1:
a. No change
b. librarians cataloging
c. to catalog
d. cataloging
d. cataloging
While #1 they await for service, patrons can enjoy coffee and snacks and mingle with their neighbors in need.
Choose which is best for #1:
a. No change
b. awaiting
c. they waited
d. waiting
d. waiting
Sammy earns 3 dollars an hour. How many dollars will he have after 5 hours.
15 dollars (3x5=15)
If (1/a2)=x, where a is greater than 0 and x is greater than 0, which of the following equations give a in terms of x?
a= 1/x2
Explanation:
Divide by x2 and isolate the variables
In recent years, Public libraries in the U.S. have experienced #1 reducing in their operating funds due to cuts imposed at the federal, state, and local levels.
Choose which is best for #1:
a. No change
b. reductions
c. deducting
d. deducts
b. reductions
It was the brainchild of former journalist matrine postma, #1 wanting to take a practical stand in a culture.
Choose which is best for #1:
a. No change
b. whom wants
c. who wanted
d. she wanted
c. who wanted
Solve x2+7x+10
(x+5)(x+2)
If y=x3+2x+5 and z=x2+7x+1, what is 2y+z in terms of x?
2x3+x2+11x+11
Explanation:
2(x3+2x+5)+x2+7x+1
combine like terms
As I walked through the exhibit, I overheard a #1 visitors' remark, "You know, that grandfather clock actually runs."
Choose which is best for #1:
a. No change
b. visitors remarking,
c. visitor remarked,
d. visitor remark,
d. visitor remark,
are characterized by elegantly curved arms and #1 legs, they are covered in luxurious velvet,
Choose which is best for #1:
a. No change
b. legs, the couch and chairs
c. legs and
d. legs
c. legs and
How many seconds are in 24 hours?
86,400 (60x60x24=86,400)
Which of the following is equal to sin(pi/5)?
cos(3pi/10)
Explanation:
sin(x)= cos(pi/2 -x) therefore,
sin(pi/5)= cos(pi/2-pi/5)= cos(3pi/10)
Without sea otters present, #1 nevertheless, kelp forests run the danger of becoming barren stretches of coastal wasteland known as urchin barrens.
Choose which is best for #1:
a. No change
b. however,
c. hence,
d. likewise,
b. however,
Scientists knew this but did not recognize #1 how large a role they played in helping kelp forest...
Choose which is best for #1:
a. No change
b. how large a role sea otters played
c. how large a role sea otters played
d. that they played such a large role
c. how large a role sea otters played