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A big gap in the fossil record exist between ancient and modern forms of species which of the following is the most appropriate
1. 2 answers
2. 488 views
What is the least number of notes and coins i can be given as change from $50 note after spending 16.45?
1. 5 answers
2. 1,688 views
How was a vice president chosen in 1796?
1. 1 answer
2. 319 views
What is 100÷5+100×55×888
1. 2 answers
2. 260 views
PLEASE CHECK THESE1. Write a ratio and a and a percent for the shaded area. (the area is 6x6 and the shaded area is 4x3) My
1. 2 answers
2. 1,221 views
Model 25% on a 4x3 grid.
1. 11 answers
2. 4,141 views
24. two stores carry a similar stereo for the same original price of $573. one store offers a 16% discount and the second store
1. 1 answer
2. 522 views
Consider the following chemical reaction: Cr3+(aq) + 6H2O(l) → [Cr(H2O)6]3+(aq)Would this reaction have a positive or negative
1. 2 answers
2. 1,632 views
-3,-12,48,-192 what is the 9th term of the sequence
1. 1 answer
2. 885 views
Which composer wrote more than a hundred motets?A. Johann Sebastian Bach B. Giovanni Pierluigi da Palestrina C. Josquin Desprez
1. 9 answers
2. 2,033 views
A game show contestant won a prize by pushing a bowling ball 20 m using her nose. The amount of work done was 1470 J. How much
1. 1 answer
2. 460 views
write the ratio 15:25 as a fraction in simplest form
1. 48 answers
2. 10,385 views
Of the53 students in a class, 33 are taking the class because it is a major requirement, and the other 20 are taking it as an
1. 0 answers
2. 838 views
50 employees in an office wear eyeglasses.43 have single-vision correction, and 7 wear bifocals. If two employees are selected
1. 4 answers
2. 2,665 views
Scott Mason purchased a 5-unit apartment building as an investment before he retired. From the rent he collects each month,
1. 2 answers
2. 1,777 views
david works 7 1/3 hours today and planted 11 trees.it takes him about the same amount of time to plant each tree.how long did it
1. 2 answers
2. 624 views
Rewrite the expression secvcscv+cotv/secvcscv in terms of sine and cosine, then simplify using trigonometric identities.
1. 1 answer
2. 730 views
Simplify the expression (tanθ+cotθ)^2 - (tanθ-cotθ)^2 using algebra and trigonometric identities.
1. 1 answer
2. 840 views
Use Newton's method to find the coordinates, correct to six decimal places, of the point on the parabola y = (x − 7)2 that is
1. 1 answer
2. 2,297 views
In a game there are black counters and white counters. One third of the counters are black. What is the ratio of black counters
1. 1 answer
2. 1,008 views
1. Find the area of a parallegram with base h and height h B=82 cm H=16.6 please help
1. 1 answer
2. 330 views
I have 1.62 but I need to have 4 sig figs not 3Please help what do I do
1. 0 answers
2. 356 views
A heat engine using a monatomic gas follows the cycle shown in the pV diagram to the right. The gas starts out at point 1 with a
1. 1 answer
2. 2,146 views
Particle 1 carrying -4.0 μC of charge is fixed at the origin of an xy coordinate system, particle 2 carrying +8.0 μC of charge
1. 0 answers
2. 738 views
How did reconstruction of fact waste relations in the United States
1. 1 answer
2. 508 views
Kendra has a painting canvas that is 20 inches wide by 39 inches high. She painted a red rose, which covered 60% of the canvas.W
1. 1 answer
2. 534 views
A test solution is prepared by pipetting 2.0 mL of an original sample into a 250 mL volumetric flask and then diluting to themar
1. 4 answers
2. 922 views
A cylindrical swimming pool has a diameter of 16 feet and a height of 4 feet. About how many gallons of water can the pool
1. 1 answer
2. 1,270 views
Philip has 2/5 of a spoon of yarn. He is for project of it for his project. What fraction of the spoon was used for his project?
1. 1 answer
2. 370 views
A salesperson's ratio of successful signups to the number of people called is 0.275. This month, the salesperson had 55
1. 1 answer
2. 594 views
Identify the sequence as arithmetic, geometric, both, or neither1.7,9,11,13
1. 1 answer
2. 513 views
A 25% vinegar solution is combined with triple the amount of a 45% vinegar solution and a 5% vinegar solution resulting in 20
1. 2 answers
2. 2,283 views
Scenario 1: You and your friend enjoy riding your bicycles. Today is a beautiful sunny day, so the two of you are taking a long
1. 1 answer
2. 1,164 views
On Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly charge. For 500 minutes she pays $35 total,
1. 1 answer
2. 1,576 views
Least common multiple of the monomial 5a^2 and 16a^3
1. 6 answers
2. 2,772 views
Simplify: (6 x 10^5) x (3 x 10^4
1. 1 answer
2. 382 views
Show that 5x7^n+3+11^n-8 is always divisible by 3 for all numbers for n
1. 1 answer
2. 456 views
We define two numerical operations labelled T and R.The effect of T is to add 1 to a number. For example, if we apply the
1. 1 answer
2. 703 views
The angle between two force a and b vectors is 114o. The scalar projection of is –13 N. Determine the magnitude of b. Can the
1. 2 answers
2. 567 views
Determine the numbers a, b, and c, such that the vector (a, b, c) is a unit vector with directional angles of 60.3o, 34.0o, and
1. 1 answer
2. 1,103 views
Bruce draws rings of rhombuses about a common centre point. All rhombuses have the same side length.Rhombuses in the first, or
1. 2 answers
2. 950 views
Tangent Lines practice problems. Unit 73. In the figure below, lines that appear to be tangent are tangent. Point O is the
1. 11 answers
2. 6,658 views
Adam used the three fractions to make a circle graph dhd
1. 2 answers
2. 816 views
The critical angle is the angle at which a ray of light is no longer refracted but completely reflected.True False
1. 1 answer
2. 420 views
The Random Variable X is normally distributed with mean 560 and standard deviation 20.Find P(X<530) which I calculated as
1. 1 answer
2. 599 views
The Random Variable X is normally distributed with mean 560 and standard deviation 20.Find P(X<530) which I calculated as
1. 1 answer
2. 1,016 views
Complete the following:Describe one way that concepts about similarity could be used in real life. Write two proportions in the
1. 2 answers
2. 729 views
Based on your learning in this unit, what is one place that holds special significance for native american identity in new
1. 5 answers
2. 837 views
Evaluate using the Pythagorean indentitiesFind sinθ and cosθ if tanθ =1/6 and sinθ >0 Help please ! Thank you !
1. 1 answer
2. 600 views
The first term in the sequence is -2 and the fifth term is -1/8 what is the common ratio
1. 1 answer
2. 434 views
which word in the following sentence is a conjunction? Wow, aren't computer amazing?A. Aren't B. Wow C. Computers D. amazing Ms.
1. 6 answers
2. 1,064 views
A desk fan has three (approximately) rectangular sheets of 15.8 cm long and 5 cm wide, each with a mass of 140 g. The fan is
1. 2 answers
2. 627 views
A uniform disc of 2.98 kg is mounted so that it can rotate in the horizontal plane around a frictionless axis through its center
1. 1 answer
2. 623 views
What is the mass of BaCl2 contained in 250 mL of solution since after the addition of 40.00 ml of AgNO3 0.1020M to 25.00 mL of
1. 0 answers
2. 498 views
An electron is acted upon by a force of 3.50×10−15 N due to an electric field. Find the acceleration this force produces in
1. 0 answers
2. 1,148 views
A block with a weight of 3.7 N is launched along a slope upwards by a spring with k = 2.25 kN / m. The slope makes an angle of
1. 2 answers
2. 657 views
A placekicker kicks a football with a velocity of 35 m/sec and an angle of 25˚above the horizontal. When the football is 10 m
1. 2 answers
2. 1,124 views
A flight attendant pulls her 66 N flight bag a distance of 359 m along a level airport floor at a constant velocity. The force
1. 2 answers
2. 688 views
An urn contains 55 green marbles and 44 red marbles. One marble is removed, its color noted, and not replaced. A second
1. 1 answer
2. 1,371 views
Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate.Suppose 49.02 mL of 0.040 M silver(I)
1. 1 answer
2. 901 views
Two students are passing a ball back and forth, allowing it to bounce once between them. If one students bounce passes the ball
1. 5 answers
2. 1,188 views
Find all $2 \times 2$ matrices $\bold{A}$ that have the property that for any $2 \times 2$ matrix $\bold{B}$,\[\bold{A} \bold{B}
1. 1 answer
2. 3,755 views
For a vector $\bold{v}$, let $\bold{r}$ be the reflection of $\bold{v}$ over the line\[\bold{x} = t \begin{pmatrix} 2 \\ -1
1. 1 answer
2. 1,528 views
Let $\bold{w} = \begin{pmatrix} 2 \\ -1 \end{pmatrix}$. There exists a $2 \times 2$ matrix $\bold{P}$ such that\[\text{proj}_{\b
1. 1 answer
2. 1,633 views
Find the 2 x 2 matrix A such that pmatrix{(-1,-1)(1 -1)} A = I, where I is the 2 x 2 identity matrix.
1. 1 answer
2. 441 views
I need an acrostic on the word eukaryotic
1. 1 answer
2. 679 views
Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the
1. 4 answers
2. 1,357 views
A boat leaves the shore of a stream. It starts directly across from point A, asshown. The velocity of the boat is 5.2 m/s, at an
1. 0 answers
2. 576 views
An aircraft travels 250 km on a heading of 330 degrees. It then turns due east and travels 420 km. How far and on what heading
1. 2 answers
2. 976 views
The two non-parallel sides of an isosceles trapezoid are each 7 feet long. The longer of the two bases measures 22 feet long.
1. 1 answer
2. 1,599 views
George plans to cover his circular pool for the upcoming winter season. The pool has a diameter of 20 feet and extends 12 inches
1. 3 answers
2. 1,243 views
If x/w=28 and 5yw=3, then xy=?
1. 3 answers
2. 744 views
Why was inflation a problem after World War II?
1. 5 answers
2. 1,922 views
When Alina was hungry she ate c cookies, which was 30% of all the cookies she had. How many cookies did she have in the
1. 7 answers
2. 4,261 views
There were d passengers in the train. 15% of all of them went in the first car, 20% went in the second car. How many passengers
1. 1 answer
2. 435 views
This 3 demensional shape has 7 faces that are rectangles as well as two bases that are polygons. What is this shape ?
1. 1 answer
2. 476 views
This 3 demensional shape has 7 faces that are rectangles as well as two bases that are polygons. What is this shape ?
1. 1 answer
2. 498 views
This 3 dimensional shape has 6 faces that are triangles as well as one base that is a polygon. what is this shape?
1. 0 answers
2. 595 views
I am a 3 dimensional shape whose 8 faces are equilateral triangles. What am I?
1. 1 answer
2. 571 views
positive comparative superlative for troubled, straight, friendly, dry, safe, useful, flat, willing, blue, worst, and sad.
1. 5 answers
2. 368 views
Let's say you flip 2 coins simultaneously. There are 3 possible outcomes: Both are heads, both are tails, or one is heads and
1. 1 answer
2. 764 views
Let's say you flip 2 coins simultaneously. There are 3 possible outcomes: Both are heads, both are tails, or one is heads and
1. 2 answers
2. 948 views
Consider the equation xy2 − x2y = 6.(a) Find all points on the graph when x = 2. (b) Find a formula for dy dx in terms of x
1. 2 answers
2. 787 views
consider the function f(x) = 9/x^3 -10/x^7 let F(x) be the antiderivatice of f(x) with F(1)=0then F(x)=
1. 1 answer
2. 352 views
A particle is moving as given by the data below4sin(t)-3cos(t); s(0)=0
1. 1 answer
2. 440 views
A particle is moving as given by the data below4sin(t)-3cos(t); s(0)=0
1. 4 answers
2. 647 views
consider the function f(x) = 9/x^3 -10/x^7 let F(x) be the antiderivatice of f(x) with F(1)=)then F(x)=
1. 1 answer
2. 349 views
Consider the function f(x)= x^3+5 sqrt(x)Let F(x) be the antiderrivative of f(x) with F(10=-9
1. 1 answer
2. 388 views
Find the anti derivative for 4/(x^2+1)
1. 3 answers
2. 429 views
Apply the concepts of calculus (limits and derivatives) to describe the graphy = sec(x). Include a quality graph
1. 1 answer
2. 505 views
1. The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 × 10^−8 L/mol/s.What is the
1. 0 answers
2. 1,640 views
Find all solutions to the equation with 0 is less then or equal to a is less then or equal to 2pi Give an exact answer if
1. 1 answer
2. 534 views
If possible find a solution to 2 cos(theta)=-0612.theta=
1. 3 answers
2. 406 views
Find all solutions to tan(theta)=1/sqroot(3). In the interval 0 less then or equal to theta less then or equal to 2pi.Theta=
1. 1 answer
2. 524 views
Solve the equations below exactly Give your answers in radians, and find all possible values for t If there is more than one
1. 1 answer
2. 681 views
If cos of theta= -7/12 and theta is in quadrant 2 then finda. tan(theta) cot (theta)= b. csc(theta) tan(theta)= c. sin^2(theta)+
1. 1 answer
2. 842 views
Claire has borrowed $\$5,\!000$. She plans to pay off the loan in full after two payments. She will make one payment in 3 years,
1. 9 answers
2. 4,387 views
Claire has borrowed $\$5,\!000$. She plans to pay off the loan in full after two payments. She will make one payment in 3 years,
1. 0 answers
2. 712 views
Is under a preposition? True or False.
1. 1 answer
2. 433 views
your cousin borrow 5000 at an interest rate of 7.5% and the rest at an interest rate of 12% the total paid is 819 . how much did
1. 1 answer
2. 523 views

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