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Questions (1,507)
Which is equivalent to this expression
-4(-3x)+5(-7) A. -12x + 35 B. 12x - 35 C. -7x + 12 D. 7x - 12 Which is equivalent to the
1 answer
628 views
Write a variable on both sides that has infinite solutions.
1 answer
372 views
ich of the following best illustrates the government's role in controlling financial institutions?
A. The government directly
3 answers
876 views
Determine how many grams of Al must react with 2.5 M NaOH in order to produce 40 mL of hydrogen gas at 22°C and 1.02 bar
1 answer
573 views
Find the area of the region bounded by the graph of f(x)=x(x+3)(x+1) and the x-axis on the interval [-3,0]
1 answer
1,531 views
Evaluate one viewpoint on each of the following in the Andes and the Pampas: the environment, globalization and the economic
1 answer
643 views
I'm looking for globalization in the Andes. I'm not looking for answers just maybe a link for help or something? thanks.
1 answer
466 views
How does elevation impact ecosystems in South America
A. Farmers can grow different crops at different elevations (this one?) B.
1 answer
946 views
5.88 moles of nitrogen and 16.2 moles of oxygen are mixed until the equilibrium is established, 11.28 moles of nitric oxide are
4 answers
2,264 views
For questions 1–4, find the slope of the following graphs.
1. a. 1/2 b. 2 c. 2 d. -1/2 2. a. 3/2 b. 1 c. -1 d. -3/2 3. a. 2/3
49 answers
14,716 views
For questions 1–4, find the slope of the following graphs.
1. (1 point) 2 –2 – 2. (1 point) 1 –1 – 3. (1 point) 3 –
2 answers
850 views
identify the sequence as arithmetic, geometric, or neither. please explain answer
1.6,0.8, 0.4, 0.2,...
3 answers
704 views
use the expression to find the value of the 20th term.
a. 24 b. 76 c. 80 d. 84
3 answers
1,739 views
which algebraic expression represents the sequence shown 4,8,12,16,...
a. 4n b. n + 4 c. 4n + 4 d. 4 ( n-1)
7 answers
3,090 views
what are the first 4 terms in the sequence represented by the expression 2n + 3?
a. 2,5,8,11 b. 4,5,6,7 c. 5,7,9,11 d. 5,10,15,20
1 answer
1,159 views
indentify the sequence as arithmetic, geometric, or neither.
3,4.5,6,7.5,... a. arithmetic b. geometric c. neither please help i
1 answer
872 views
which values will be part of the sequence?
3,4.5,6,7.5,...
7 answers
3,597 views
identify the sequence as arithmetic, geometric, or neither 3, 4.5,6,7.5,...
1 answer
1,456 views
A spinner is divided into 10 equal sections numbered from 0 to 10. you spin the spinner once. what is P ( divisible by 3)?
a. 1/3
2 answers
941 views
1.Justin writes the letters I-L-L-I-N-O-I-S on cards and then places the card in a hat. What are the odds in favor of picking an
2 answers
1,171 views
Please show me all the steps to solving the problem also you can use comment field to explain the work
QUESTION: a box contains
5 answers
1,074 views
1.Justin writes the letters I-L-L-I-N-O-I-S on cards and then places the card in a hat. What are the odds in favor of picking an
2 answers
1,884 views
please show me the steps that you use to solve the problem. you can also use the comment field to explain the work.
QUESTION: 1.
1 answer
758 views
Please show me all the steps to solving the problem also you can use comment field to explain the work
QUESTION: a box contains
3 answers
913 views
whats 12! divide by (4!8!)
i don't know the answer please help
1 answer
490 views
1. the probability of a basketball player hitting a foul shot is 1/3. how many shots would you expect her to make in 90
2 answers
3,970 views
1. A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of you picking
2 answers
2,484 views
1.Justin writes the letters I-L-L-I-N-O-I-S on cards and then places the card in a hat. What are the odds in favor of picking an
3 answers
2,676 views
Jennifer writes the letters M-O-N-T-A-N-A on cards and then places the cards in a hat. What is the probability of picking an M?
a
1 answer
1,040 views
The vertex of a parabola represented by f(x)=x^2-4x+3 has coordinates of (2,-1). Find the coordinates of the vertex of the
1 answer
4,348 views
I have a case study that I need to do and I need someone to help simplify it for me. I would greatly appreciate it and thanks in
0 answers
560 views
a(t)=4sin3t;v(0)=1,s(0)=6
I'm trying to find expression for s(t). Should I wait till the end to add find and add constant. I got
1 answer
439 views
In a student's experiment, when 40 mL of 6% (w/w) hydrogen peroxide solution was reacted with 10 mL 0.5 M FeCl3 solution, a ΔrH
3 answers
577 views
which of the following are autotrophs ?
A. plants , some protists and some bacteria B. plants C. plants and some bacteria D.
1 answer
507 views
A 5.5 foot tall woman walks at 6ft/s torward a street light that is 16.5 ft above the ground. what is the rate of change of the
1 answer
8,573 views
Write a sentence explaining the meaning of the slope and y-intercept for the given linear relation.
According to the Statistical
2 answers
2,277 views
All the surfaces of the lantern will be made of paper. What is the least amount of paper needed to make the lantern?
5 answers
530 views
An investor invested a total of $1900 in two mutual funds. One fund earned a 6% profit while the other earned a 2% profit. If
1 answer
595 views
A metal worker has a metal alloy that 15% copper and another one is 70% copper. how many kilograms of each alloy should the
1 answer
1,057 views
A metal worker has a metal alloy that 30% copper and another one is 55% copper. how many kilograms of each alloy should the
1 answer
1,364 views
which shape has 5 faces 5 vertices and 8 edges?
triangular Pyramid** Rectangular pyramid Pentagonal pyramid
15 answers
5,952 views
Excerpt from “I Am a Native of North America” by Chief Dan George
Man must love fully or he will become the lowest of the
5 answers
1,902 views
How did improvements in transportation, communication, farming, and manufacturing affect the economy of the North? Break down
1 answer
735 views
A 313 μF defibrillator capacitor is charged to 4.94×103 V. When fired through a patients chest, it loses 95 % of its charge in
1 answer
519 views
a box of mass 7 kg is pulled up a frictionless 30 degree incline by a force of 381 N which acts parallel to the incline surface.
1 answer
1,700 views
The bottom of a shopping bag measures 8 inches by 10 inches. The bag has a height of 12 inches. How much paper is needed to make
4 answers
1,514 views
Julia measured the high temperature in her town for one week. Using the chart below, find the mean absolute deviation for the
45 answers
3,490 views
Thirteen bowlers were asked what their score was on their last game. The scores are shown below. 190, 150, 154, 194, 182, 190,
18 answers
3,395 views
The line plot below represents the number of letters written to overseas pen pals by the students at Waverly Middle School. Each
7 answers
2,270 views
A projectile which is fired from the ground with a velocity of 960 ft/sec, at an angle of 30° above the ground, has a height at
2 answers
2,148 views
7.) How many moles of fluroine are required to react with 12 g of sodium iodide?
I already balanced it but am confused to go from
2 answers
964 views
If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?
2 answers
1,818 views
True/False question
Suppose that A is a 2 x 3 matrix such that A[1, 1, 1]^t = [2, 3]^t = A[2, 3, 4]^t. Then [1, 2, 3]^t belongs
1 answer
639 views
Find the volume of the solid generated by rotating the region of the x-y plane between the line y=6, the curve y=3sin(x)+3 for
1 answer
618 views
Calculate the mass of Mg needed to produce ~40 mL of H2. how do I do this?
2 answers
563 views
A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After
2 answers
828 views
The first three terms of a geometric sequence are: T1; T2; and T3. If T2 = T1 + 4 and T3 = T2 + 9, determine the values of T1;
1 answer
389 views
A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After
2 answers
767 views
Find the function y = y(x) which solves the initial value problem: 4sec(x)*dy/dx = e^(y+sin(x)) where y(0) = -5
1 answer
480 views
What is the secret to reaching someone with words? Which of the poems—"Concrete Mixers," "The City Is
So Big," or "Harlem Night
11 answers
5,983 views
The quadratic function f is negative only on the open interval (−2, 1 4 ) and its graph passes through the point (−1, −5).
1 answer
1,132 views
The quadratic function f is negative only on the open interval (−2, 1 4 ) and its graph passes through the point (−1, −5).
1 answer
888 views
Write a simpler expression for z = ln(4x^4 + 11x^3) + ln(1/5x^3) which does not involve any powers on x which are bigger than 1.
1 answer
497 views
Emily borrows 20,000 for 8 years at a nominal discount rate of 6% compounded quarterly. Calculate the amount of discount that
1 answer
524 views
You have $100 and could use it to buy 80 songs from itunes. Instead, you invest your $100 at an annual effective interest rate
0 answers
478 views
I need help making a table
3. One of the fireworks is launched from the top of a 70ft tall building with an initial upward
2 answers
930 views
A train travels from city A to city B and then to city C. The distance from A to B is 220 miles and the distance from B to C is
1 answer
517 views
Write an equation in standard form of the parabola that has the characteristics below.
Vertex at (1,-8); passing through the
2 answers
523 views
Certain seismic waves travel as..
A) electromagnetic and transverse waves. B) visible light and longitudinal waves. C)
2 answers
1,408 views
When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat, the energy of the light
0 answers
1,193 views
A function is created to represent the amount of money in your checking account. What restrictions would be made to the domain?
-
4 answers
3,312 views
Perry can fill a sorter with oranges from the conveyer belt in 10 minutes. While Perry fills the sorter, Gillian takes oranges
2 answers
1,673 views
1. A 12 kg wagon is being pulled at an angle of 38o above horizontal. What force is applied to
the wagon if it accelerates from
1 answer
753 views
Which sentence is correct?
The teacher: told the child's mother "Please be sure to dress Jackie warmly tomorrow." The teacher
1 answer
550 views
Two cyclists start out on the same trail together that is overall 20km long. The first cyclist completes the entire trail and is
1 answer
647 views
Question 1)
A rock is dropped from the top of a 100 meter tall cliff. A. ) How long will it take for the rock to reach the
1 answer
1,071 views
1. A car travels from one point to another point that is 4km to the east of its original position and then back to its original
1 answer
506 views
Two springs are set up on a table. The longer spring has a spring constant of 221 N/m and an initial length of 44.0cm. The
2 answers
482 views
What is the diagonal of a 9 in x 12 in rectangle?
2 answers
1,631 views
Which of the following describes a correct method for solving the equation below? -7/2n + 5 = -16
1. add 5 to both sides, then
7 answers
1,772 views
Compute the number of molecules of water driven off when 12.05g of sodium acetate trihydrate is heated.
0 answers
466 views
The last part of the Declaration of Independence contains a list of complaints the colonists had against King George. Which of
6 answers
1,660 views
I have a few questions. It was a long assignment and most of the questions were easy but a few I'm nervous about.
Short story
5 answers
14,430 views
A comparative adjective is used to show comparison between two or more nouns or pronouns.
True*** False To make the comparative
6 answers
5,430 views
How did dissolving the monasteries give Henry money?
1 answer
409 views
The mass density at a given point of a thin wire is C is delta(x,y,z)=x. If C is parametrized by r(t)=<e^t,2t,2e^-t>, 0<=t<=1,
1 answer
435 views
Compute the flux of the vector field v(x,y)=(x,y) across the circle around the origin of radius 3.
Compute the flow of the vector
1 answer
584 views
0.400 g of a solid base X(OH)2 was dissolved in 50.0 mL of water. The solution was neutralized with 65.80 mL of 0.150 mol/L HCl.
1 answer
550 views
If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the
2 answers
2,642 views
The number of goals that bully scores in each game is shown in the table below.
Number of goals Frequency 0. 4. 1. 8 2. 5 3. 3
1 answer
603 views
Four numbers have a mean of 6. Two numbers are added and the mean increases by 1. One of the numbers is twice the other. What
1 answer
395 views
A fertilizer covers 5/8 square foot in 1/4 hour.
I got 20/8 5/8 / 1/4 5/8 • 4/1 20/8
1 answer
524 views
Which two square roots are used to estimate the square root of 42
25and36 36and49 49and64 25and64
1 answer
467 views
1) For tax purposes a manufacturer is allowed to depreciate the value of a machine by 10% each year. If the original value of
2 answers
524 views
A list of tasks to be completed by a company for a special project is a
Detailed Invoice Statement of Work Statement of Workload
1 answer
478 views
Typically, a heroin abuser may inject up to ________ a day.
A. 10 times B. 7 times C. 2 times D. 4 times I think D?
7 answers
598 views
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar,
0 answers
785 views
6. The Neolithic Revolution __________
A) was a result of systematic agriculture. *** B) is reflected in cave drawings. C) caused
4 answers
1,251 views
A child in a boat throws a 5.90-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 26.6 kg and the
1 answer
1,052 views
Solve for x and check answer:
Nx=4j-5x X=(4j)/(5+n) How do I do the check?
1 answer
489 views
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