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Heather
Questions and answers by visitors named
Heather
, page 6
Questions (682)
Explain why the lengths of the corresponding sides of rectangles ABCD and EFGH vary proportionally. I cant post the picture of
1 answer
414 views
Find the missing sides of the similar triangles ABC and DEF.
AC=2 AB=5 CB=? DF=4 FE=8 DE=?
1 answer
492 views
a parking lot can allocate 3 compact car spaces for every 2 spaces for full sized cars. if part of the lot has space for 40 full
4 answers
690 views
The letters CHEMISTRY were spray painted in blue paint on the snow. After a while the sun comes out and the snow under the blue
3 answers
1,879 views
The most chemically reactive metal elements are the alkali metals. They react
spontaneously with water or other substances in the
3 answers
545 views
First off, how do you eve find out if it would be colored or colorless? Will aqueous solutions of the following salts be colored
3 answers
1,025 views
Potassium metal, K, is more reactive than sodium, Na. Calcium, Ca, is less reactive than
sodium. The comparative reactivity of
4 answers
1,260 views
Sodium vapor lamps are often used in residential street lighting. They give off yellow light with a frequency of about 5.91 ×
3 answers
1,200 views
what supplies do you need to make a volcanoes lava if you were to make a volcano.
What would be the best thing to use to make a
4 answers
411 views
Now that you have a full time job you are ready to start investing for retirement. Your corporation will match 50 cents of each
2 answers
519 views
Combine like terms. What is a simpler form of the expression. -3(-y-2)+5y
2 answers
737 views
Solve the equation or formula for the indicated variable.
s=6r^5t for t
2 answers
568 views
what is the solution of the system of equations?
2x+2y+3z=-6 3x+5y+4z=3 2x+3y+4z=-10
3 answers
404 views
For the function f(x)=(3-4x)^2, find f^-1. Determine whether f^1 is a function.
3 answers
440 views
The tendency of Congress to defer to the President in foreign policy has at times led to
an American dictatorship. a plebiscitary
4 answers
942 views
The 2000 presidential election is an example of where it is possible to
win the popular vote but not have a majority vote in the
5 answers
586 views
Theodore Lowi suggested the remedy for cumbersome bureaucracy was
returning to juridical democracy. delegating even more
6 answers
775 views
For Max Weber, the bureaucracy was the highest form of rationality because
bureaucrats would become cogs in the wheel. it was
5 answers
450 views
The American bureaucracy conjures up the following images except
cumbersome “red tape.” civil servants who are inefficient,
1 answer
448 views
Steve can run 3.5 miles in 30 minutes. If Steve increases his rate by 1/2 mile per hour, how far will he run in 2 hours?
3 answers
1,448 views
Milk with a mass of 0.021 kg and a tempera-
ture of 13�C is added to 0.12 kg of coffee at 94�C. What is the final temperature?
1 answer
475 views
Use roster notation to create and write two proper subsets of your original set.
3. Do the following and write your answers in
2 answers
657 views
Is the line through points P(3,-5) and Q(1,4) parallel to the line through points R(-1,1) and S(3-3)? Explain please.
4 answers
3,998 views
What is an equation in slope-intercept form for y(-4,-2) and x (5,1)?
1 answer
319 views
in the rhombus angle 1=140. what are angle 2 and angle 3?
a. angle 2=140, angle 3=20 b. angle 2=40, angle 3=70 c. angle 2=40,
2 answers
1,002 views
Aaron is a salesman that earns a base salary of $1,200.00 per month and a commission of 5% on the amount of sales he makes. One
2 answers
828 views
1. Which of the following is not a natural cause of climatic change?
A. Earth's tilt B. Solar activity C. Human activity D.
2 answers
739 views
The greenhouse effect is a result of
A. consumption of fruits and vegetables that produce a biofuel. B. absorption and radiation
5 answers
1,138 views
Given the lengths of the sides of a triangle, identify the triangle as acute, right, or obtuse.
37,12,34 5,12,13 20,21,28
4 answers
1,640 views
The glide reflection Ry--x degree T <4,1> maps the P to (4,3). Find the coordinates of P. Please help I'm really confused.
2 answers
985 views
#19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of
4 answers
2,965 views
For a particular redox reaction NO is oxidized to NO3^- and Cu^2+ is reduced to Cu^+ . Complete and balance the equation for
7 answers
5,677 views
Find the scale factor troy will to build his pool. The width is 625cm. The olympic pool is 50m long and 25m wide. Then find the
2 answers
552 views
Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of
3 answers
1,486 views
Find an equation that models a hyperbolic lens with a=16 inches and foci that are 40 inches apart. Assume that the center of the
4 answers
1,151 views
Unemployment is on the rise though inflation is quite low. Gross Domestic Product is rising but more slowly than the goal rate.
5 answers
1,202 views
In a specific industry, two dominant firms work together to set prices. We call this
A. competition. B. collusion. C. market
2 answers
795 views
If Bridgette marrow is a sophomore at state college ad is running out of money. wanting to continue her education, Bridget is
4 answers
1,358 views
i need help with my outline. not sure where to go. i am at a complete loss
i know i want my topic to be Why banning the use of
2 answers
613 views
If 2a = 3b, 1/3c = 6b^2, and b > 0, what is c in terms of a?
The answer choices are: (A) 8a^2 + 6 (B) 8a^2 + 12 (C) 12a^2 + 6 (D)
5 answers
2,176 views
Prove the following identity:
1/tanx + tanx = 1/sinxcosx I can't seem to prove it. This is my work, I must've made a mistake
2 answers
685 views
I can't seem to prove these trig identities and would really appreciate help:
1. cosx + 1/sin^3x = cscx/1 - cosx I changed the 1:
2 answers
1,188 views
The length of a rectangle is 1 foot less than twice the width, and the area of the rectangle is 21 ft.². Find the dimensions of
4 answers
2,734 views
One out of every five people who buys ice cream buy vanilla ice cream. If a store sells 125 ice cream cones in one day, about
4 answers
6,510 views
Your weight on the moon is relative to your weight on Earth. Neil Armstrong weighed 360 lbs. in his moon gear while on Earth,
3 answers
1,942 views
Find the standard form for the equation of a circle
(x−h)^2+(y−k)^2=r^2 with a diameter that has endpoints (−8,−10) and
2 answers
587 views
A glider of length 10.1 cm moves on an air track with constant acceleration. A time interval of 0.732 s elapses between the
1 answer
472 views
the reaction of 7.10g carbon with excess O2 yields 12.25g of CO2. what is the percent yield of this reaction?
I have tried
5 answers
12,949 views
A round silo is 60 ft tall and has a 15 ft radius. About high would a load of 32,000 cubed feet fill the silo to?
Do I start with
4 answers
1,273 views
If light travels 10,000km ( 3.3 x 10 to the -2 power) seconds, how will it take to travel one meter. I know 1 meter = 0.001km
3 answers
516 views
14 boys play basketball, 12 boys play soccer, 16 boys play baseball. How many boys play basketball, soccer, or baseball?
2 answers
511 views
Various forms of a trait may be more or less ________ under given environmental conditions.
1 answer
374 views
Sorry there are quite a few problems, but I just need to know if these are correct (and if they aren't, where I went wrong):
1.
2 answers
574 views
All of the following statements about simple sentences are true except
a. a simple sentence consists of a subject and a verb. b.a
7 answers
2,326 views
I have no idea how to solve this one problem:
Round to two decimal places. Two observers 25 feet apart, sight to the top of the
2 answers
576 views
Show at least one metaphysical account of reality
For example, you might discuss Plato, Aristotle, or the Cartesian method. Make
2 answers
519 views
2 roads intersect at an angle of 60 degrees. A friend's mail box is 434 feet from that intersection and your mailbox is on the
6 answers
531 views
I don't understand how to do these problems:
Find two pairs of polar coordinates for each point with the given rectangular
2 answers
1,264 views
Find the product 8 1/3 x 3/5 in simplest form
Find the product 5 1/2 x 3 1/3 in simplest form Use distributive property to find
2 answers
840 views
The Health Corp issued an 12%, 15 yr bond 5 yrs ago. At the time of issue the bond's par value was $1,000. Comparable bonds are
2 answers
572 views
Hi! Can someone help me with these? Thanks a bunch! :)
1.) Find the dot product. <0, 3> ∙ <4, -2> 2.) Find the dot product of u
1 answer
330 views
Hi! Can someone help me with these? Thanks a bunch! :)
1.) Find the dot product. <0, 3> ∙ <4, -2> 2.) Find the dot product of u
1 answer
361 views
Hi! So I asked about this question earlier and I've been trying to solve it with the directions I was given by someone before,
2 answers
607 views
Look for the angle (θ) between the vectors. Remember to round your answer to the nearest tenth.
a.) u=<3,2> v= <4,0> b.) u = 2i
1 answer
458 views
A 45.4 grams of a gold metal sample was heated with the amount of energy of 228 J. Which of the following would the most
2 answers
670 views
Hi! Can someone check my answers? Thanks!
Directions: Solve each system by using the elimination method. Make sure to write your
2 answers
743 views
Hi! I wanted to know how you would sketch the graph of this system of inequalities.
Math problem: 2x2 + y ≥ 2 x ≤ 2 y ≤ 1
1 answer
386 views
Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the
2 answers
473 views
Hi! My teacher wanted me to sketch the graph of solution set of each system. For the first question, she wants me to use the
2 answers
614 views
A 51 kg block of metal has specific heat of 222 j/kg c. how heat energy must be applied to the block of metal to raise its
2 answers
660 views
. Which of the following is not an example of an ethical dilemma a defense
attorney may face? A) the prosecutor's winning record.
3 answers
2,507 views
Males are arrested at rates much higher than females for the following crimes
except: A) murder. B) . C) fraud. D) weapon
7 answers
1,148 views
. The largest category of convictions for felonies is:
A) drug offenses. B) violent crimes. C) sexual crimes. D) property crimes.
2 answers
1,304 views
. The view that a defense attorney's main concern is looking out for the client's
interest; that nothing matters more to them
3 answers
844 views
I need help with logs. Thank you!
Evaluate. 1. log base(3) 25 to the cubed root Condense. 2. 1/3logx + 2logy^3 -3log(z+1)
1 answer
350 views
Find the value of the following matrix's.
1.) [-5 2 -8 -7] 2.) [3 -4 7 9]
1 answer
343 views
Hi! I'm a little confused on what I'm suppose to do for this problem. Can someone help? Thanks!
Directions: Which element would
1 answer
292 views
Suppose a 95% confidence interval for the mean salary of college graduates in a town in Mississippi is given by [$36,080,
3 answers
957 views
As far back as __________, researchers began to explore possible racial /
ethnic bias in sentencing.
3 answers
856 views
One analysis of nearly 6,000 police-citizen encounters revealed that police
officers were more likely to arrest when the victim
3 answers
571 views
In 1970, the District of Columbia passed the first __________ statute which
authorized denial of bail to "dangerous" persons
5 answers
914 views
Find the derivative of:
f(x) = 1/(3x)^4 + 3x^4 Determine the points, if any, at which the function has a horizontal tangent line
1 answer
364 views
What is the molality of a solution of aluminum nitrate that contains 77.0 g of Al(NO3)3 dissolved in 120.0 g of water? Use molar
1 answer
437 views
Cute drill team squad names that start with H? I need help!
1 answer
409 views
Find the derivatives of
1. ln[(2x^3⋅2e^x)] 2. xy = cot(xy) 3. y = cos(x^3 + 27) I don't really know where to start with these.
4 answers
508 views
What is “a, b and c” in this ellipse?
x^2/9+y^2/4=1
1 answer
262 views
What is “a, b and c” in this hyperbola?
(y-2)^2/5-(x-3)^2/6=1
1 answer
297 views
A jacket costs $94.95. It is on sale for 30% off. Estimate the sale price.
5 answers
469 views
Find a rectangular equation for the plane curve defined by the parametric equations.
x = sin(theta) y = 3cos(theta)
3 answers
1,544 views
Which of the following is not a valid reason in a mathematical proof?
1 answer
390 views
A car starts from rest and travels for 5.0 s with a steady acceleration of magnitude 1.5 m/s2. the driver then applies the
2 answers
842 views
Two students are on a balcony 21.4 m above the street. One student throws a ball ver- tically downward at 15.6 m/s. At the same
2 answers
728 views
A vehicle has an engine that is connected directly to a gear box. In the highest gear, a 2 inch radius gear is turning a 14 inch
2 answers
555 views
Lets say you have 25 ml of a 3.25M copper(II) chlorate solution. How many moles of copper (II) chlorate would be in the solution
3 answers
385 views
Postal regulations specify that a package sent by certain shipping methods may have a combined length and girth of no more than
2 answers
763 views
arrange CO2, N2O2, CaO, SiO2, and Ga2O3 in order of increasing acidity
2 answers
535 views
The question says:
A sample of helium is collected by displacing 182 mL of water. The pressures of the gas and the atmosphere are
4 answers
1,276 views
Three people attempt to hold a heavy sign in place. Abby pulls directly upwards (in the middle) with 140 N of force. Joe is ob
2 answers
693 views
what mass of sodium hydroxide will be required to neutralize completely 1.60x10^23 molecules of HCl?
3 answers
1,221 views
Ronnie is thinking of a number. He says that he gets the same result when he multiplies his number by 2 as when he adds 5 to his
4 answers
524 views
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