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Marina

Questions (109)

4 plus e
1. 0 answers
2. 104 views
In the movie drawer, there are six action movies, five comedies, and four dramas. What is the probability of choosing a drama or
1. 1 answer
2. 307 views
An observer stands 25 m behind a marksman practicing at a rifle range. The marksman fires the rifle horizontally, the speed of
1. 1 answer
2. 745 views
Seth uses a school camera to take pictures for the yearbook and for the school paper. Last month he took 270 pictures for the
1. 2 answers
2. 396 views
The detail on p. 199, in "Of Wolves and Men," that describes how the wolf's fur carries seeds to be dispersed along his trail
1. 32 answers
2. 15,314 views
The circle graph to the right shows how the Miller family spends their income.How much money do the Millers spend on vacation
1. 1 answer
2. 833 views
There are 12 balloons in a bag: 3 each of blue, green, red, and yellow. Three balloons are chosen at random. Find the
1. 8 answers
2. 2,415 views
The population of a town double every 10 years from 1960 to 1990.what was the percent increase in population during this time
1. 1 answer
2. 2,577 views
Hi there is somebody can help me to understand the problem and how to do it? Thank youh(n) = n^2 + 4n g(n) = 4n + 2 Find (h +
1. 2 answers
2. 376 views
Jennie skated for 2 5/6 hours on Saturday and 1 3/6 hours on Sunday. Her goal was to skate 6 hours over the weekend. How much
1. 3 answers
2. 502 views
Jack is learning to ride a bicycle. In his first try, he rode for 1/100mile. The second time he rode for 5/100 mile. In the next
1. 1 answer
2. 867 views
Kelly has 236 feet of fence to use to enclose a rectan space for her dog. She wants the width to be 23 feet. rectangle that
1. 3 answers
2. 2,531 views
A landscape architect is designing a new park for the city.His design must include the following types of figures.Exactly 4
1. 2 answers
2. 687 views
A camera lens rotates 15° and then stops to take a picture.They it rotates 5 take another picture. The camera takes two
1. 2 answers
2. 898 views
A camera lens rotates 15° and then stops to take a picture.They it rotates 5 take another picture. The camera takes two
1. 1 answer
2. 694 views
A clock's minute hand moves 60 grade in 10 minutes and 180 grade in 30 minutes low far does it move from 11:00 to 11:40? What is
1. 1 answer
2. 755 views
A large angle is made up of two smaller angles. The smaller angles measure 48 and 11. What is the measure of the large angle?
1. 1 answer
2. 432 views
Dale grew 63 tomatoes. She sold them at a roadside stand. She put 5 tomatoes in each carton and sold each full carton for $3.
1. 1 answer
2. 538 views
Given IE is congruent to GH, EF is congruent to HF. F is the midpoint of GÌ.Prove the triangles EFI is congruent to HFG. . Can
1. 2 answers
2. 1,760 views
The sum of the measures of the angles of a triangle is 180°Find the three angles of a triangle if one angle is 20° greater
1. 1 answer
2. 663 views
Joleen earns $250 plus a commission of 3% of her sales each week. This week she wants to earn $460. How much in sales does she
1. 3 answers
2. 766 views
Thank you so much for helping me with the first question. I have and another question that I am a little confused on also, could
1. 3 answers
2. 427 views
Can you please show me the steps and solution to this problem?I really don't understand. Thank you very much. Write an equation
1. 2 answers
2. 517 views
a 280. kg crate, to the right of the pulley, is released from rest and begins to fall to the ground. If the mass on the left is
1. 0 answers
2. 592 views
A group of construction workers are building a house and want to lower down an excess bundle of 2390 kg bricks to ground. They
1. 0 answers
2. 665 views
A row of blocks are lined up with masses of 1.10 kg, 2.72 kg and 4.05 kg. The masses are then pushed forward by a 14.3 N force
1. 1 answer
2. 856 views
Simplify and evaluate the expression for a = -0.5, b = 2.52.5a - 3b(-4.1 + a(-3.3b - b) - b) + a
1. 2 answers
2. 1,512 views
Identify all the components of this statement: 3a + 2b = 7Is this an equation or an expression and why? constant variable term
1. 3 answers
2. 1,210 views
The solubility of insoluble substances changes depending on the nature of the solution. Below are two solutions in which copper
1. 1 answer
2. 915 views
An iron nail with a mass of 0.750 g was dissolved in dilute sulfuric acid and diluted to 100.0 mL volume. A 10.0 mL aliquot of
1. 1 answer
2. 1,070 views
I am having trouble solving this.A rocket tracking station has two telescopes A and B placed 1.7 miles apart. The telescopes
1. 2 answers
2. 1,171 views
I am having a hard time with this question.A boat went 15 miles downstream in 1 hour and then returned upstream to its dock in
1. 1 answer
2. 584 views
6 m of soil containing 50% clay was mixed into 10 m of soil containing 10% clay. What is the clay content of the mixture?How
1. 0 answers
2. 516 views
Mrs. Crawford has invested $ 6,000 at 3% interest. How much additional money should she invest at 8% interest so that the total
1. 2 answers
2. 645 views
Mr Joyce invested $ 25,000, part at 4% interest and the remainder at 7% interest. The total income he received from his
1. 2 answers
2. 793 views
Find the time required for an investment of 5000 dollars to grow to 7900 dollars at an interest rate of 7.5% per year,
1. 2 answers
2. 2,587 views
A wooden artifact from an ancient tomb contains 45% of the carbon-14 that is present in living trees. How long ago, to the
1. 1 answer
2. 811 views
A wooden artifact from an ancient tomb contains 45 percent of the carbon-14 that is present in living trees. How long ago, to
1. 1 answer
2. 1,290 views
You go to the doctor and he gives you 13 milligrams of radioactive dye. After 20 minutes, 4.5 milligrams of dye remain in your
1. 1 answer
2. 1,561 views
The doubling period of a baterial population is 10 minutes. At time t=80 minutes, the baterial population was 500001What was the
1. 1 answer
2. 750 views
I came up with some examples on my own, but I'm not sure if I'm heading in the correct direction.Any help would be great. Here
1. 3 answers
2. 498 views
How to simplify 6y (3y <squared -1)We are doing trinomials
1. 0 answers
2. 492 views
I know what an epic simile is but I'm trouble finding two epic similes in these line I've given below. And I also need to know
1. 4 answers
2. 3,912 views
Can you give me some tips on how to draw graffiti (anything really)? I am good with drawing something but the thing is I have to
1. 4 answers
2. 587 views
I am currently in Spanish 1. I am gradually catching on to Spanish, but my question is.. Can you help clarify to me when I
1. 5 answers
2. 985 views
Express sin(x+y+z) in terms of cosines and sines of x, y and z
1. 0 answers
2. 1,141 views
An isosceles triangle has an area A, an apex angle 2 theta, and a height of h. Determine an expression for theta in terms of A
1. 0 answers
2. 500 views
Starting from rest, a horse pull a 250-kg cart for a distance of 1,5km. it reaches a speed of 0,38m/s by the time it has walked
1. 1 answer
2. 1,003 views
The table shows the number of people switching to a new telecommunications company over a 7-day period in August.Day=number of
1. 1 answer
2. 940 views
The table shows the number of people switching to a new telecommunications company over a 7-day period in August.Day=number of
1. 0 answers
2. 622 views
Use "completing the square" to find the zeros of the polynomial.=2x squared + 6x + 5 = 0
1. 2 answers
2. 471 views
find the LCD and solve:x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3
1. 1 answer
2. 481 views
simplify the following complex fraction:x ____ -2 x-5 _____________________________________ x squared - 9x - 10
1. 1 answer
2. 442 views
simplify:2(x+h)squared+5(x+h)-6-(2x squared + 5x - 6)
1. 1 answer
2. 399 views
rationalize the denominator:5 + the sq. rt. of 3 ________________________ 4 + the sq. rt. of 3
1. 1 answer
2. 473 views
A girl with a mass of 83 kg is climbing in a tree 20 m above the ground. If she lands on a trampoline with a constant of 312
1. 1 answer
2. 554 views
A bomb is dropped out of a plane 100 m above the ground, how fast will it be moving when it hits the ground?
1. 1 answer
2. 690 views
A golfer hits a ball off a tee from an elevated platform 13m above the ground. if the golf ball leaves the tee at 85 m/s @ 15
1. 1 answer
2. 878 views
A soccer ball is kicked off of the ground at 17 ft/sec @ 30 degrees. Determine the maximum height above the ground the ball
1. 1 answer
2. 637 views
A boy runs off the edge of a 5 foot high wall @ 2.5 ft/sec. How long will he spend in the air? How far from the base of the wall
1. 1 answer
2. 534 views
How much force is needed to accelerate a 125 kg block up a 35 degree include at 3.4 m/s2 if the coefficient of friction is 0.28?
1. 1 answer
2. 523 views
A 625 N crate, which is at rest on the floor, is pulled along the floor by a horizontal force of 85 N. The coefficient of
1. 1 answer
2. 466 views
What is the necessary coefficient of friction needed to keep a 1200 kg car on a road moving at a speed of 27 m/s on a turn with
1. 1 answer
2. 452 views
Two cables suspend a 500 N sign above the hallway. The left cable makes a 40 degree angle with the ceiling and the right cable
1. 2 answers
2. 800 views
What is the apparent weight of a 55 kg person in an elevator accelerating downward at 2.2 m/s2?
1. 1 answer
2. 794 views
Compute the force of attraction between a 25 kg. mass and a 45 kg. mass that are 9.6 meters apart from center to center.
1. 4 answers
2. 560 views
A 50 foot see-saw has 4 kids sitting on it. A 62 lb. girl sits on the left end, with a 76 lb. girl sitting 2.5 feet in front of
1. 1 answer
2. 637 views
How do i write an equation of a line with the given slope and y-intercept for m= 2/9, b=3?
1. 1 answer
2. 328 views
The largest mass migration in human history has taken place in china. why ?
1. 2 answers
2. 1,496 views
Caenorhabditis elegans hermaphrodites have six different homologous chromosome pairs: five pairs of autosomes (called I-V) and
1. 0 answers
2. 777 views
An analysis of generic antacid tablets labeled to contain 250mg of CaCO3 (MM= 100.09g/mol) per tablet of active ingredient was
1. 1 answer
2. 1,358 views
Find all vales for a so thatf(x) { x+1...x<=a { x^2...x>a is continuous
1. 1 answer
2. 410 views
If lim(f+g)=1 as x-->aand lim(f-g)=1 as x-->a find lim fg as x-->a
1. 1 answer
2. 355 views
Factorx^4+64
1. 3 answers
2. 401 views
A wheelchair ramp is said to have an angle of 4.5° with the ground. the deck at the top of the ramp is 20 inches above ground
1. 1 answer
2. 1,404 views
Hi! This is my final French paper and I would be really appreciative if someone could look it over before I turn it in. Merci!Le
1. 2 answers
2. 486 views
In an assembly line of a factory, which produces networking switching hubs, two robots are utilized. The first one (A) is able
1. 0 answers
2. 471 views
What kinds of people sailed to the New World in the 1400s?
1. 1 answer
2. 1,020 views
What kinds of people sailed to the New World in the 1400s?
1. 2 answers
2. 555 views
The line m has the equarion y= 2x + 1. The line n is perpendicular to m and passes through the point A(2,1). Write an equation
1. 1 answer
2. 509 views
I am writing an essay about why marriage is an important institution. I have several ideas such as financial benefits,more
1. 0 answers
2. 558 views
Choose the word which best completes the sentenceNeither the cat nor the dog (play, plays) together. And Neither the cat nor the
1. 5 answers
2. 653 views
1.) 4(2-a)^2-812.) -(x-y)^3 3.)3x^2-27(2-x)^2 4.) 9(y-1)^2-25
1. 1 answer
2. 343 views
Hey I need help finding the English meaning of each of these Latin words.1 habeo to have 2 3 habemus 4 5 habes 6 you have 7
1. 6 answers
2. 568 views
40 children in the class 3 out of every 4 wears jeans how many students in the class are wearing jeans?
1. 2 answers
2. 489 views
Dana has a piggy bank(she is just starting to save money in her piggy bank).1- All of the coins in her bank expect two quarters.
1. 1 answer
2. 682 views
A projectile is fired straight up from a cliff which is 200 feet above ground with an initial velocity of 220 ft/sec. Assume
1. 1 answer
2. 951 views
A projectile is fired straight up from a cliff which is 200 feet above ground with an initial velocity of 220 ft/sec. Assume
1. 3 answers
2. 943 views
can someone explain in simpler term what a nonvascular plant is?please and thank you (:
1. 1 answer
2. 380 views
in humans, the genotype XX results in a ____any help, please?
1. 0 answers
2. 425 views
Can someone please help me with this???I was given a systems equation. Two masses are on a flat frictionless surface tied
1. 0 answers
2. 671 views
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and
1. 0 answers
2. 660 views
I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and
1. 0 answers
2. 625 views
So for my class, I have to write a poem with these guidlines:1. You have to include 3 elements of romanticism. 2. It doesn't
1. 1 answer
2. 607 views
1. name an organism in which the respiratory and circulatory systems are separate.2. name an organism with a closed circulatory
1. 1 answer
2. 564 views
Recognition of incongruity (difference) between what is seen and what is accepted.~inference or irony
1. 1 answer
2. 474 views
what are organisms that can synthesize energy-containing organic compounds?organisms that add to the total energy stored in
1. 0 answers
2. 615 views
does isomerism exist in double sugars?
1. 0 answers
2. 651 views
In the theory of relativity, the mass of a particle with velocity v ism = m0 / sqrt(1-v^2 / c^2) where m0 is mass of the
1. 1 answer
2. 1,391 views
f(x) = x+ 1g [f(x)] = x g(x) = ?
1. 0 answers
2. 304 views

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