Tuesday
July 22, 2014

Posts by johnny


Total # Posts: 423

math
15. The sum of five unequal whole numbers is 90. The second largest of these five numbers can be at most A.19 B.41 C.43 D.89 please explain and show work.

math
Rico works for a landscaping company. He will enclose a square garden, using a full 50 ft roll of wire fencing. What could the largest dimension of the garden be? Sketch and label the garden, then calculate perimeter to verify your answer.

math
5. The sum of 7 unequal positive integers is 61. What is the largest possible value that any of those integers can have? A.55 B.40 C.39 D.13 E.9 please show work

math
One package of water plants is recommended for 3000 cubic centimeters of water in a fish tank. How many packages of plants will be needed for a 45cm by 70cm tank that is filled to a depth of 10cm? please show work.

math
Rosa is working on rectangular fish tank that is 15 cm wide and 20 cm long. How much tape will she need to put all around the top of the tank? please show work

math
What number, when has "4" as exponent and increases by 4, is equal to the product 26 and 10?

math
Bob's age is now 3 times of Tom's age. Twelve years from now, tom will be 15 years old. How old is Bob now? please explain and show work

math
If length of one side of a 3x3 square is four times, and the length of the adjacent side is tripled, the perimeter of the new rectangle is how many times bigger than the perimeter of the original square? please explain and show work.

math
One phone plan charges a $20 monthly fee and $0.08 per minute on every phone call made. Another phone plan charges a $12 monthly fee and $0.12 per minute on each call. After how many minutes is the charge the same for both plans? A.60 minutes B.90 minutes C.120 minutes D.200 m...

math
Fred earns $56 a week. 0.0613 of his pay is taken out for Social Security. To the nearest cent how much is taken out each week?

math
5.Escape velocity is the speed necessary to escape the gravitational pull of a plant. The escape velocity of Earth is 11.3 kilometers per second, while the escape velocity of Saturn is 310% of that. What is the escape velocity of Saturn?

math
7500

math
3.Students at one school sell magazine subscriptions to raise money for athletic equipment. The school keeps 20% of sales. How many dollars worth of subscriptions must be sold to make $1500?

math
A ship model is 0.5% actual size. If the model is 1 meter long, what is the actual length of the ship?

math
It equals 45.

math
8. Of the 180 students who took part in the Race for Hunger, about 5/8 were sophomores. Of the sophomores, 40% were girls. How many sophomore girls took part in the race? A.35 girls B.125 girls C.45 girls D.72 girls please explain and show work

math
The surface area of a cube with edge 2 is how many times the surface area of a cube with edge square root 2. A.square root 2 B.2 C.4 D.4 square root 2 E.8 please explain and show work.

math
6. A magician plays a game using a full deck of cards. This includes 4 each of aces, numbers 2-10, jacks,queens, and kings. What is the probability that an even numbered card will not be selected? please explain and show work.

math
Paul multiplied the sum of three and a number by three. This result was equal to fifty four plus twelve times the opposite of the number. What was his number? please explain and show work.

math
You worried about math last year for 300,000 minutes. this year you will worry about math for only 60 minutes.What percent decrease in minutes of math worry will you experience this year? please explain and show work.

algebra
How would I write this sentence as an equation in two variables? The-value is 5 more than 3 times the x-value

algebra
When 20% of a number is added to the number, the result is 60. Which one is the correct answer? ( 10, 50, 17, 120 )

algebra
When 4 times a number is added to 7 times the number, the result is 33. which one is correct? ( -4.7, 1, -3, 4.7 )

algebra
When 4 times a number is subtracted from 7 times the number, the result is 30. which one is correct? {3, -15, 10, or 0.9

algebra
Solving the linear equation -2x-2+7(x+1)=2x

algebra
I already picked the wrong answer. I am trying to get the correct multiple choice answer for this question

algebra
The y-value is 5 more than 3 times the x-value. Which answer? 1. y=3x+5 2. y=-3x+5 3. y=-3x-5 4. y=3x-5

algebra
1.-2X-2 +7(x+1)=2x 2. 9x-1=-5+8x 3.7x-3= 4. when 4 times a number is subtracted from 7 times the number, the result is 30. What is the number? 5. when 4 times a number is added to 7 times the number, the result is 33. What is the number? 6. When 20% of a number is added to the...

algebra
solve for linear equation: -2x-2+7(x+1)=2x

algebra
In this equation or question: translate the following text into an equation involving ratios and solve it. " Anne is paid $45 per hour, if she worked 55 hours in a particular week, how much will she be paid that week? 45/1 = x/55: cross multiply and solve for x. 45(x)= ho...

Math
How are addition and multiplication used to solve a linear equation? Demonstrate by solving " 15x+7=31+3x

Math
Translate the following text into an equation involving ratios and solve it. " Anne is paid $45 per hour, if she works 55 hours in a particular week, how much will she be paid that week?

Math
Yes, maybe an example

Math
Evaluate the algebraic expression: 6x+2= 3x-4= 9x+6=

math
When four times the number is added to 7 times the number, the result is 33, what is the number?

math
The distance between points A and B is 10 units. If a has coordinates (4,-6) and B has coordinates (-2,y), determine the value of y. Please show work and explain. A.-6 B.-2 C.0 D.1 E.2 This is what I got so far: 10= square root of (4-(-2))^2+(-6-(y))^2

maths
If 5 1/2 yards = 1 rod and 3 feet = 1 yard,how many rods are equivalent to 1 foot? 1. 2/11 2. 6/11 3. 2/33 4. 11/6 5. 11/2 6. 11/8

maths
A box of 12 table costs 21 cents.The same brand is packaged in bottles containing 100 tablets and sells for $1.50 per bottle.How much is saved per dozen, by purchasing the larger amount? 1. 1/4 cents 2. 1 cents 3. 1/2 cents 4. 1 3/4 cents 5. 3 cents 6. 6 cents

Math
If x<y, z=x/2 and a=y/2, then please show work/ explain A.z<a B.a>z C.a=z D.2a>y E.2x>2z

math
5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if inequalities are multiplied by negative numbers the order is reversed. If x>y and z<0 then xz<yz Please show work and explain.

math
If unequal quantities are subtracted from equal quantities, the remainders are unequal in the opposite order. Since 25=25 and 5>3, then 20<22. If x=y and a>d, then x-a<y-d. Please show work and explain.

math
The average of P numbers is x and the average of N numbers is y. What is the average of all the (P+N)numbers? a. x+y/2 b. x+y c. Py+Nx/xy(P+N) d. x+y/P+N e. Px+Ny/P+N

math
If a and b are both positive numbers,and a>b,which of the following could be true? I. ab is greater than either a or b. II. ab is greater than b but less than a. III. ab is less than either a or b. (A) I only (B) II only (C) III only (D) I and II only (E) I,II,and III

math
The enrollment in a university is now 52,500, an increase of 5% over the enrollment last year.By how many students did the enrollment increase this year? a. 2500 b. 47,500 c. 50,000 d. 55,000 e. 57,750 f. 60,000

math
If the operation # is defined by the equation x # y = 2x + y,what is the value of a in the equation 2 # a = a # 3 ? a. 0 b. -1 c. 1 d. 1.5 e.-1.5 f. 2

Math
25. A metal cube with an edge of one foot is melted into rectangular solid one-eighth of a foot in height. What is the area of the top of the top of the new solid. Please show work/explain A. 1/64 sq.ft. B. 1/8 sq.ft. C. 1/4 sq.ft. D. 4 sq.ft. E. 8 sq.ft.

Math
36. A clock gains 20 minutes each day. if the correct time is indicated now , in how many days will it again show the first correct time? Please show work/explain A.8 B.18 C.20 D.36 E.72

Math
The distance s in feet that a body falls in t seconds is given by the formula s=16t^2. If a body has been falling for 5 seconds, how far will it fall during the 6th second? Please show work/explain A. 16 ft. B. 80 ft. C. 176 ft. D. 400 ft. E. 576 ft.

Math
o is the center of the regular pentagon ABCDE. How many degrees are there in OAB? Please explain or show work A.36 B.54 C.72 D.108 E.126

physics
12.8 kg of ice at 0 C is dropped into 3.3 kg of water at C. What fraction of the ice melts? =

Math
X=66 2/3%Y Y=33 1/3%Z Z=(?)%X Please show work. A.16 2/3 B.22 2/9 C.45 D.300 E.450

Math
The value of 12 is obtained by multiplying p% by A.12 B.12/p C.p/12 D.1200/p E.100p/12 Is there any work for this?, if so please show work.

Math
pg.3 18.Which, if any of the following statements is always true? A. If the numerator and the denominator of a fraction are increased or decreased, by the same amount, the value of the fraction is unchanged. B. If the numerator and the denominator of a fraction are squared, th...

Math
z+1/z=2; z=? (1/z is a fraction) Please show work. I got C.1 as my answer. A.Square root of 3 B.1/2 C.1 D.1 1/2 E.2

physics
Two wires are anchored at both ends. Wire 1 has a mass of 105 grams and a length of 6.9 m. Wire 2 has a mass of 60 grams, a length of 20 m, and a tension of 143 N. What must be the tension in Wire 1 if its third harmonic is to equal the first overtone of Wire 2? T_{wire1} =

Chemistry
Which nucleophile, when reacted with 1-bromopropane (CH3CH2CH2Br), would produce a thiol? OH- SH- I- -OCH3

chemistry
Which nucleophile, when reacted with 1-bromopropane (CH3CH2CH2Br), would produce an ether? I- OH- -OCH3 SH-

Chem
A 7.00 mL sample of blood serum has a pH of 7.38 a. What is the concentration of H3O+? b. What is the concentration of OH-? c. How many moles of H3O+ are present? I have no clue what to do and I don't have a calculator with me someone help me I would really appreciate it.

physics
A construction worker riding in the tray of a truck traveling at 10 m/s, sees one of his friends passing and decides to jump off the truck. The magnitude of his initial speed of jumping is: (a) zero (b) Less than the truck's (c) Equal to that of the truck (d) Greater than ...

poem
Thanks

poem
so can the fourth line be: and went for the sewer

poem
then can the fourth one be: and became boor

poem
can i start the third line like this?: When he got poor fourth line: and went for a call. line 5: And the sun turned sunny.

poem
ok

poem
Title:The dawn it comes There once was a boy named John whose never saw the dawn. When the sun went down and went to the pond. And saw what was dim. Is this a good poem? This is a limerick, lines 1,2,and 5 must rhyme.Lines 3 and 4 must rhyme. Please help if can.

chem
Mercury(II) Oxide decomposes upon heating, producing elemental mercury. This reaction has an enthalpy value of 90.8 kJ/mol. How much heat is required to produce 2000 lbs of mercury?

chemistry
which of the following tetrahedral molecules is polar? please explain CH4 CF4 CH3F thanks

chemistry
what is the correct name for k2o

Physics
1) Car - S = 50 (50m to travel to reach truck since truck is moving away at a constant acceleration) u = o a = 3 t = ? S = ut + 0.5*a*t^2 50 = 0 + 0.5(3)t^2 t = sqr(100/3) = 5.77s 2) S = 50 u = o v = ? a = 3 t = 5.77 v = u + at v = 0 + 3*5.77 v = 17.3 m/s 3) S = - u = o v = ? ...

chemistry
In which of the following triatomic molecules or ions are both of the bonds multiple bonds? HCN CO2 NO2 more than one correct response no correct response If more than one correct response then please show all the correct answers. thanks

chemistry
the number of nonbonding electrons exceeds the number of bonding electrons in the Lewis structure of which of the following molecules? HCN NH3 H2O more than one correct response no correct response if more than one correct response please show all correct responses. thanks

chemistry
Sixteen electrons are present in the Lewis structure of which of the following molecules? CO2 N2O SO2 more than one correct response no correct response If more than one correct response please show all correct answers thank

chemistry
in which of the following pairs of compounds are both members of the pair molecular compounds? PCl3 and LiBr CCl4 and KOH NaH and CaF2 more than one correct response no correct response if more than one response please show all the correct answers thanks

chemistry
Which of the following statements concerning differences between ionic and molecular compounds is correct? Molecular compounds contains two elements, and ionic compounds contain three of more elements ionic compounds contain oxygen, and molecular compounds do not. molecular co...

Chemistry
Thanksss!!! :D it worked much appreciated!

Chemistry
I tried that but my answer is 6.56*10^(-7) and when I plug it in the site tells me my answer is wrong what went wrong?

Chemistry
An electron transition in a single H-atom from n=3 to n=2 results in the release of a single photon. What is the wavelength of this photon in nanometers? How do I solve this?

English
As successful as... ? what can successful be compared to as a simile?

math
these are some weakness on these questions.

math
The product of a number and 2 has the same value as that number minus 2. What is that number? not just an answer. A.-4 B-2 C.-1 D.0 E.2

math
ok

math
The sum of a negative integer and 2 has the same value as the square of that integer.What is the integer? not just an answer. F.-2 G.-1 H.0 J.1 K.3

math
The sum of a nonzero integer and zero has the same value as the square of the integer.What is the integer? not just an answer. A.-2 B.-1 C.0 D.1 E.2

Homework Help: Solar Energy Please HelpASAP
courses edx org/c4x/DelftX/ET3034TUx/asset/Week5_Specturm png this is the link to the image ..

Homework Help: Solar Energy Please HelpASAP
d) In the up-convertor 1, two photons are converted into one photon with 100% conversion efficiency. If all photons with energy above that of the band gap of a-SiC:H are absorbed in the a-SiC:H layer, in which spectral range can the photons be up-converted so that they contrib...

algebra
thanks man

algebra
simplify the number using the imaginary unit i. √-16

phyics
A ball is thrown straight upward. At 5.00 m above its launch point, the ball’s speed is one-half its launch speed. What maximum height above its launch point does the ball attain?

Phyics
A hot-air balloon is rising upward with a constant speed of 4.00 m/s. When the balloon is 4.77 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?

Math
A poster is 3 times a long as it is wide. A banner is 5 times as long as it is wide. Both the banner and the poster have perimeters of 24 inches. What are the length and width of the poster and the banner

algebra can someone help my buddy ray out
identify the vertex and the axis of symmetry of the graph for the function y=3(x+2)^2 a.vertex(2,-3 axis of symmetry x=2 b.vertex(-2,-3) axis of symmetry x=-2 c.vertex(2,3) axis of symmetry x=2 d.vertex(-2,3) axis of symmetry x=-2 identify the maximum or minimum value and the ...

URGENT ALGEBRA 2
im not sure steve should be able to give you the answer im stumped on this one to ray

reading
Ok thanks

reading
How do I read and not lose focus on what I am reading? Like how do I comprehend what I am reading?

Math
a cylindrical block weighs 6 kg. how much will another cube of the same metal weigh if its sides are twice as long?

math
Mr.Evans paid &10.60 each for a shipment of 72 shirts. He sold the shirts for $14.20 each.What was his total profit on the shipment?

math
235.2 right

financial management
What is the value of a share of common stock that paid $2.00 last year, the growth rate is 8%, assume the risk free rate is 4%, the market return is 10% and the Beta is 1.5.

Math
What is 4963rounded to the nearest hundred?

Vectors
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a * b

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