Questions LLC
Login
or
Sign Up
Ask a New Question
Liz
Questions and answers by
Liz
, page 7
Questions (728)
For the vectors x=(0,6,-5), y=(2,1,4) and z=(-2,3,-1) what is the value of (2x+y)·(3y-z)? (dot product question and each letter
4 answers
408 views
Beth leaves a dock in a motorboat travelling at 14 m/s. She heads downstream at an angle of 40° to the current, which flows at
3 answers
1,143 views
A parallelogram is determined by the vectors a = [-2, 5] and b = [3, 2]. Determine the diagonals of the parallelogram.
2 answers
563 views
How would I find the concentration of an unknown acid if I have a Ka value of 3.98x10^-5?
4 answers
425 views
If the absolute value of a negative number is 2.78, what is the distance on the number line between the number and its absolute
1 answer
498 views
two students are playing a math game. the object of the game is to make the least possible number by arranging the given digits
3 answers
1,080 views
the deepest point in elevation in the indian ocean is the java trench, which is 25,344 feet below sea level. elevations below
10 answers
1,992 views
a number and its absolute value are equal.if you substract 2 from the number, the new number and its absolute value are not
3 answers
613 views
Jeremy has 4 1/2 cups of iced tea. He wants to divide the tea into 3/4 cup servings. use the model to find the number of
5 answers
1,406 views
Dao has 2 3/8 pounds of hamburger meat. he is making 1/4 pound hamburgers. does Dao have enough meat to make 10 hamburgers?
3 answers
663 views
the area of a rectangular picture frame is 30 1/3 square inches. the length of the frame is 6 1/2 inches.please help find the
2 answers
594 views
List these numbers from least to greatest
7/3, 3/4, 2/3, 0.5, 1.3
4 answers
472 views
A communications tower is located at the top of a steep hill, as shown. The angle of inclination of the hill is 58°. A guy wire
4 answers
11,738 views
Problem 6 [Total 5 marks] The drug Ziac is used to treat hypertension. In a large clinical trial it was found that 32% of those
1 answer
456 views
I have to write a 5 paragraph comparison and contrast essay on Agamemnon, Hamlet, and The Love song of J. Alfred Prufrock. When
2 answers
892 views
A rescue plane is flying horizontally at a height of 132 m above the ground. The pilot spots a survivor and releases an
2 answers
1,202 views
If an object is propelled upward from ground level with initial velocity of 55 feet per second, it's height h in feet t seconds
2 answers
1,076 views
Ed is using the recipe shown to make fruit salad. He wants to use 30 diced strawberries in his fruit salad. How many bananas,
13 answers
4,085 views
Tomas makes balloons sculptures at a circus. In 180 minutes, he uses 252 balloons to make 36 identical balloon sculptures. Part
7 answers
1,916 views
On December 16, 1811, an earthquake occurred near New Madrid, Missouri, that temporarily reversed the course of the Mississippi
4 answers
1,395 views
Which of the following stylistic movement best represents Weird Al Yankovic's song Canadian Idiot? Would it be existentialism,
2 answers
775 views
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint to create green paint. Gina mixes 4 pints of yellow
4 answers
849 views
A grocery store sells snacks by weight. A six ounce bag of mixed nuts costs $3.60. Predict the cost of a two ounce bag. Please
4 answers
1,712 views
A 24.00 kg block at rest on a horizontal frictionless air track is connected to the wall via a spring. The equilibrium position
3 answers
591 views
A man pushes 100.0 N on the handle of a 40.0 kg lawnmower. The applied force is in the same direction as the handle, which is
1 answer
612 views
A block of mass m is pulled across a level surface by a rope that makes an angle θ with the horizontal. The coefficient of
4 answers
1,281 views
How would you determine if a given compound is acidic, basic or neutral? Also if given a compound, how would you determine if
2 answers
571 views
I have two questions that I do not know how to answer. Thanks for your help!
1. Calculate the [OH^-], [H^+], pH, and pOH for a
1 answer
373 views
Suppose that $6,400 is invested at 0.5% interest, compounded monthly. How much, to the nearest penny,
is in the account after 7
1 answer
387 views
Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined
2 answers
607 views
I did a lab on vinegar and titration. The question asks..
In the titration of acetic acid and NaOH the use of the color indicator
4 answers
3,898 views
Assuming that the lab procedure was conducted in an identical manner in all other respects, if a large quantity of vinegar had
2 answers
789 views
At the beginning of a new school term, a
student moves a box of books by attaching a rope to the box and pulling with a force of
4 answers
1,056 views
Ana had some money. she used 4/7 to buy shoes which cost $96. if she spent another 2/7 to buy a dress how much would she spend
4 answers
667 views
I've tried to do these problems multiple times and I'm just so confused.
1. (root x-5) + 5 = 0 2. (root 2-7x) = 2x Thanks!
3 answers
347 views
1)Suppose that the weight of tomato juice in mechanically filled cans follows a normal distribution with a mean of 464 grams and
2 answers
582 views
What is the 11th term of the following geometric sequence? Enter a whole number
7/9,-7/3,7,-21,63
3 answers
1,612 views
Identify the antecedent for the underlined pronoun in the sentence below.
The boy was excited about his date with Sheila, but he
7 answers
4,587 views
The earliest type of trade was
A. Bartering B. Currency C. Economies D. Cowry shell currency Is the answer A? Thank you
5 answers
2,083 views
I have a problem that reads as:
-4x-2y=12 4x+8y=-24 And when solved the answer is (2,-2), but I checked the answer in the back
1 answer
352 views
Calculate the pH of a potassium phosphate buffer if the pKa of KH2PO4 is 7.2 and the acid-base ratio is 2:1
I took Chemistry 7
3 answers
526 views
Which set of integers are in the right order from least to greatest?
A. -8,8,6,|-7|,5 B. |-7|,-8,8,6,5 C. -8,5,6,|-7|,8 D.
35 answers
9,442 views
Which symbol is used to make -6? |-8| a true statement?
A. > B. < C. = Is the answer B? Thank you
2 answers
593 views
A force of 64 N is applied on a body producing an acceleration of 2.4 m/s^2. What is the mass of a body?
4 answers
584 views
Amy is building a house. The basement floor is at -15 feet. The roof of the house is above the ground 25 feet. Express the
2 answers
493 views
Amy is building a house. The basement floor is at -15 feet. The roof of the house is above the ground 25 feet. Express the
1 answer
465 views
Describe a real-world problem that can be solved using the expression 29 divided by (3/8 + 5/6). Find the answer in the context
2 answers
751 views
Joe scores 1770 on the SAT. Assuming that both tests measure the same thing, what score on the ACT is equivalent to Jose's SAT
3 answers
1,236 views
Working together two people can cut a lawn of grass in 5 hours. One person can do the job alone in 1 hour less than the other.
3 answers
697 views
An experiment requires 0.34 M NH3(aq). The
stockroom manager estimates that 15 L of the base is needed. What volume of 15 M
1 answer
726 views
Determine the number of grams of water in 7.00 g of copper(II) sulfate pentahydrate.
3 answers
480 views
Lindsay has 10 inches of ribbon. She buys another three lengths of ribbon, each 5 inches long. How much ribbon does she have
6 answers
2,449 views
inverse laplace transform of {5/(s-4)^3}
4 answers
1,327 views
The sum of measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what
6 answers
1,852 views
How would one solve similar right triangles if the first triangle has y and x as legs and a (altitude) as hypotenuse, and the
1 answer
482 views
How do I set up a trihybrid punnett square if the cross is TTRRPp x TtRrPp?
2 answers
506 views
If 100 students are surveyed, about how many students own 2 or more pets? Explain please
0 pets __________ 1/20 1 pet __________
10 answers
4,109 views
A car dealer makes a 12% commission on every car sold. If the dealer sells a car for $10,000, how much does he make in
2 answers
512 views
ken has 4 times as much money as Jake. if Jake gave Ken £360 he would still have more money than Ken. whats the least money Ken
2 answers
578 views
In the formula d=rt d represents distance in miles, r represents average speed in miles per hour, and t represents time in
5 answers
1,623 views
The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a
1 answer
1,055 views
Solve the equation on the interval [0, 2π).
cos x + 2 cos x sin x = 0 would the answer be 7pi/6 , 11pi/6 ?
3 answers
573 views
Solve the equation on the interval [0, 2π).
tan2x sin x = tan2x would it be 0, pi/2 ?
3 answers
1,468 views
Verify the identity. Show your work.
cot2x + csc2x = 2csc2x - 1 1+cosec^2x +cosec^2x Cot^2x+cosec^x= 1+2 cosec^2x Would this be
3 answers
806 views
For the data set shown by the table,
a. Create a scatter plot for the data. (You do not need to submit the scatter plot) b. Use
1 answer
892 views
Find the vertical asymptotes, if any, of the graph of the rational function. Show your work.
f(x) = (x-4)/(x(x-4)) How would I
2 answers
683 views
Which factor contributed most to Florida becoming a U.S. territory?
a. the outcome of the Seminole Wars b. the weakening of
5 answers
2,403 views
Find the vertical asymptotes, if any, of the graph of the rational function. Show your work.
f(x) = (x-4)/(x(x-4)) (x-4)/x(x-4)
2 answers
1,049 views
Locate the foci of the ellipse. Show your work.
x^2/36+y^2/11=1 c^2=a^2-b^2 c^2=36-11 c^2=25 c= ± sqrt25 c= ±sqrt5*5 is this
3 answers
416 views
Solve the system by the substitution method. Show your work.
2y - x = 5 x2 + y2 - 25 = 0 I solved the problem but I got it wrong
3 answers
703 views
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work.
4x
2 answers
489 views
Compare the values of each of the digits
337 The 3 in the tens place is ---------the value of the 3 in the hundreds place.
5 answers
1,894 views
The compound copper(II) nitrate is a strong electrolyte. Write the reaction when solid copper(II) nitrate is put into water:
3 answers
2,895 views
The function C(m) = -.41m^2 + 6.7m - 44/ .7m represents Miles Traveled per lb. of CO 2
released as a function of speed(in MPH)
6 answers
428 views
What is a catchy title for an essay about greed?
4 answers
1,294 views
The triangle in the trapezoid share a 15 inch base and a height of 10 inches. The area of the trapezoid is less than twice the
5 answers
1,174 views
The angles of elevation to an airplane from
two points A and B on level ground are 50◦ and 67◦ , respectively. The points A
2 answers
1,038 views
Which number labels Yasmin's native country of Spain?
A 1 B 2 C 4 D 6 Which number labels Yasmin's current home in Sweden? A 1 B
12 answers
1,553 views
70% of 7 graders have iPhone and 60%are in chorus. However, 15% of 7th graders are neither in chorus or own phone. What % of
1 answer
392 views
could you please double check my work
question:find the roots of the equation 2x^2+8x=12 by completing the square. leave answer
2 answers
627 views
am i correct on this?
question: solve and check square of 5x+6 is equal to x work and answer: square each side 5x+6=x^2 subtract
1 answer
469 views
What is true of a random sample?
A) it is the only way to sample a population. B)Each member of the sample is a volunteer. C) It
5 answers
1,018 views
Rolinda’s first five Spanish test scores are 85, 85, 60, 62, and 59. a. Find the mean, the median, and the mode of Rolinda’s
6 answers
1,944 views
i did my question already but i was wondering if someone could double check my work.
the question says to graph the following
2 answers
516 views
k. (64 to the root of 3)^4
l. (3 to the root of 4)^-8 f. (5^2/5/^2)^-1/2 4. The radius of a sphere r is given in terms of its
3 answers
499 views
The class average on the quarterly exam was65% with a standard deviation of 7%. Is the probability that a student got 70% or
2 answers
515 views
Which zone is home to some decomposers, but no producers?
3 answers
914 views
The coordinate plane below represents a town. Points A through F are farms in the town.
graph of coordinate plane. Point A is at
3 answers
2,059 views
The radius of the Earth is about 6.37 × 106 m.
a) What is the centripetal acceleration of a point on the equator due to the
4 answers
1,898 views
According to a survey conducted in 1990 by
Independent Sector, the percent of their incomes that Americans give to charities is
3 answers
1,187 views
Can someone check my work and answer?
Evaluate the integral from -1 to 0 of (4x^6+2x)^3(12x^5+1)dx My work: let u=4x^6+2x
3 answers
653 views
Help please
reviewing for test and in my notes I have a comment. Animal cell oraganella are larger than plant cell organella is
3 answers
529 views
A field goal kicker has made 21 out of 30
attempted field goals so far this season. His field goal average is 0.7. How many
3 answers
777 views
Your membership at a movie rental club costs
$12.7 per year. The charge for members to rent a movie is $2.29. At the end of the
2 answers
525 views
Your membership at a movie rental club costs
$12.7 per year. The charge for members to rent a movie is $2.29. At the end of the
2 answers
506 views
Your membership at a movie rental club costs
$12.7 per year. The charge for members to rent a movie is $2.29. At the end of the
2 answers
536 views
Found a gold ring engraved with cop 91© 8 on it, what does this mean? And is there any worth to it
5 answers
3,396 views
if a 0.625g sample of magnesium chloride is dissolved in water and then precipitated with a silver nitrate solution,how many
1 answer
1,123 views
Electromagnetic waves are ___ electric and magnetic fields.
A. transverse B. constant C. oscillating D. parallel
2 answers
826 views
Calculate the boiling point of water if the atmospheric pressure is 767 mmHg.
Thanks!
2 answers
584 views
Pages
1
2
3
4
5
6
7
8