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Johnny

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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
1. 3 answers
2. 1,423 views
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
1. 1 answer
2. 724 views
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
1. 1 answer
2. 1,933 views
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?
1. 1 answer
2. 488 views
5.Escape velocity is the speed necessary to escape the gravitational pull of a plant. The escape velocity of Earth is 11.3
1. 1 answer
2. 795 views
3.Students at one school sell magazine subscriptions to raise money for athletic equipment. The school keeps 20% of sales. How
1. 3 answers
2. 781 views
A ship model is 0.5% actual size. If the model is 1 meter long, what is the actual length of the ship?
1. 2 answers
2. 1,516 views
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
1. 3 answers
2. 632 views
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
1. 1 answer
2. 514 views
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
1. 1 answer
2. 610 views
Paul multiplied the sum of three and a number by three. This result was equal to fifty four plus twelve times the opposite of
1. 1 answer
2. 546 views
You worried about math last year for 300,000 minutes. this year you will worry about math for only 60 minutes.What percent
1. 1 answer
2. 647 views
How would I write this sentence as an equation in two variables?The-value is 5 more than 3 times the x-value
1. 4 answers
2. 473 views
When 20% of a number is added to the number, the result is 60.Which one is the correct answer? ( 10, 50, 17, 120 )
1. 1 answer
2. 499 views
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 )
1. 1 answer
2. 513 views
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
1. 2 answers
2. 1,511 views
Solving the linear equation-2x-2+7(x+1)=2x
1. 1 answer
2. 360 views
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
1. 2 answers
2. 665 views
1.-2X-2 +7(x+1)=2x2. 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
1. 4 answers
2. 529 views
solve for linear equation:-2x-2+7(x+1)=2x
1. 1 answer
2. 413 views
In this equation or question: translate the following text into an equation involving ratios and solve it. " Anne is paid $45
1. 1 answer
2. 620 views
How are addition and multiplication used to solve a linear equation? Demonstrate by solving " 15x+7=31+3x
1. 1 answer
2. 435 views
Translate the following text into an equation involving ratios and solve it. " Anne is paid $45 per hour, if she works 55 hours
1. 2 answers
2. 515 views
Evaluate the algebraic expression:6x+2= 3x-4= 9x+6=
1. 3 answers
2. 532 views
When four times the number is added to 7 times the number, the result is 33, what is the number?
1. 2 answers
2. 2,248 views
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
1. 1 answer
2. 626 views
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.
1. 1 answer
2. 717 views
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
1. 2 answers
2. 705 views
If x<y, z=x/2 and a=y/2, thenplease show work/ explain A.z<a B.a>z C.a=z D.2a>y E.2x>2z
1. 1 answer
2. 407 views
5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if
1. 1 answer
2. 516 views
If unequal quantities are subtracted from equal quantities, the remainders are unequal in the opposite order. Since 25=25 and
1. 0 answers
2. 908 views
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.
1. 1 answer
2. 484 views
If a and b are both positive numbers,anda>b,which of the following could be true? I. ab is greater than either a or b. II. ab is
1. 1 answer
2. 553 views
The enrollment in a university is now 52,500, an increase of 5% over the enrollment last year.By how many students did the
1. 1 answer
2. 498 views
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. 1 answer
2. 1,323 views
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
1. 2 answers
2. 495 views
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
1. 1 answer
2. 862 views
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,
1. 1 answer
2. 822 views
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
1. 3 answers
2. 736 views
X=66 2/3%YY=33 1/3%Z Z=(?)%X Please show work. A.16 2/3 B.22 2/9 C.45 D.300 E.450
1. 1 answer
2. 306 views
The value of 12 is obtained by multiplying p% byA.12 B.12/p C.p/12 D.1200/p E.100p/12 Is there any work for this?, if so please
1. 1 answer
2. 322 views
pg.318.Which, if any of the following statements is always true? A. If the numerator and the denominator of a fraction are
1. 1 answer
2. 511 views
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
1. 1 answer
2. 325 views
Which nucleophile, when reacted with 1-bromopropane (CH3CH2CH2Br), would produce a thiol?OH- SH- I- -OCH3
1. 0 answers
2. 653 views
Which nucleophile, when reacted with 1-bromopropane (CH3CH2CH2Br), would produce an ether?I- OH- -OCH3 SH-
1. 0 answers
2. 714 views
A 7.00 mL sample of blood serum has a pH of 7.38a. What is the concentration of H3O+? b. What is the concentration of OH-? c.
1. 1 answer
2. 628 views
Title:The dawn it comesThere once was a boy named John whose never saw the dawn. When the sun went down and went to the pond.
1. 9 answers
2. 709 views
which of the following tetrahedral molecules is polar? please explainCH4 CF4 CH3F thanks
1. 1 answer
2. 4,489 views
what is the correct name for k2o
1. 2 answers
2. 826 views
In which of the following triatomic molecules or ions are both of the bonds multiple bonds?HCN CO2 NO2 more than one correct
1. 1 answer
2. 1,357 views
the number of nonbonding electrons exceeds the number of bonding electrons in the Lewis structure of which of the following
1. 2 answers
2. 1,309 views
Sixteen electrons are present in the Lewis structure of which of the following molecules?CO2 N2O SO2 more than one correct
1. 2 answers
2. 2,436 views
in which of the following pairs of compounds are both members of the pair molecular compounds?PCl3 and LiBr CCl4 and KOH NaH and
1. 2 answers
2. 1,242 views
Which of the following statements concerning differences between ionic and molecular compounds is correct?Molecular compounds
1. 1 answer
2. 2,446 views
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
1. 4 answers
2. 565 views
As successful as... ?what can successful be compared to as a simile?
1. 1 answer
2. 432 views
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
1. 2 answers
2. 505 views
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.
1. 1 answer
2. 649 views
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.
1. 1 answer
2. 717 views
d) In the up-convertor 1, two photons are converted into one photon with 100% conversion efficiency. If all photons with energy
1. 1 answer
2. 519 views
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
1. 1 answer
2. 4,729 views
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
1. 1 answer
2. 671 views
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
1. 5 answers
2. 2,176 views
How do I read and not lose focus on what I am reading? Like how do I comprehend what I am reading?
1. 4 answers
2. 393 views
a cylindrical block weighs 6 kg. how much will another cube of the same metal weigh if its sides are twice as long?
1. 1 answer
2. 1,213 views
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%,
1. 0 answers
2. 417 views
What is 4963rounded to the nearest hundred?
1. 1 answer
2. 473 views
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a * b
1. 0 answers
2. 577 views
THE VECTORS a - 5b AND a-b ARE PERPENDICULAR. IF a AND b ARE UNIT VECTORS, THEN DETERMINE a dot b
1. 1 answer
2. 5,273 views
A mixture consisting of 0.150 M N2(g) and 0.612 M H2(g) reacts and then reaches equilibrium according to the equation:N2(g) +
1. 0 answers
2. 516 views
A restaurant offers 12 types of entrees, 6 types of appetizers, and 4 types of rice.How many meals of appetizer, entree, and
1. 2 answers
2. 746 views
Lithium metal is a highly reactive metal that oxidizes instantly in water or air. Given the data below, calculate the energy
1. 1 answer
2. 610 views
Ethanol (C2H5OH) has been produced since antiquity by the fermentation of fruits and vegetables. Given the following data, if
1. 1 answer
2. 751 views
A jet is cruising at 360 mph and at an elevation of 34650 feet and on course to pass directly over a golf course. A man on the
1. 1 answer
2. 501 views
Use the distributive property to simplify the following expressions.1. 5 ( n + 7 ) 2. 3 ( w - 6 )
1. 4 answers
2. 668 views
the vertice of rectangle ABCD are A=(0,0), B=(2a,0), C=(2a,2b) and D=(0,2b). Where M,N,P and Q are the midpoint of the
1. 1 answer
2. 919 views
The Oracle of Zeus was located ina.Delphi b.Samos c.Sparta d.Mount Olympus
1. 5 answers
2. 814 views
Which of the following did not influence greek mythology?a. the kingdom of Minos b. knowledge of Egyptian mythology c. Roman
1. 2 answers
2. 1,204 views
Which of the following examples would be necessary for a country with a mercantilistic economy.The printing and usage of a
1. 1 answer
2. 541 views
The human heart is a mechanical pump. The aorta is a large artery that carries oxygenated blood awayfrom the heart to various
1. 1 answer
2. 1,478 views
Which of the following is a direct result of the equation of continuity?a. The pressure one meter below the surface of water is
1. 3 answers
2. 1,451 views
What is the force on two point charges of 10-6 C that are 20 cm apart?
1. 1 answer
2. 446 views
A 40-foot ladder is leaning against a house when its base starts to slide away. By the time the base is 32 feet from the house
1. 1 answer
2. 891 views
Opinion polls find that 13% of Americans "never have time to relax." If you take an SRS of 543 adults, the approximate
1. 1 answer
2. 451 views
An instant lottery game gives you probability 0.023 of winning on any one play. Plays are independent of each other.If you play
1. 1 answer
2. 609 views
I'm trying to find why the linear function f(-x)=x√x^2+2 is negative when it should be neither. why are √'s not
1. 1 answer
2. 601 views
You are to create an efficient OO application to be used by the wait staff at the Mason Inn. You will process one
1. 0 answers
2. 495 views
Two ants race across a table 58cm long. One travels at 4.8 cm/s and the other at 3 cm/s. When the first one crosses the finish
1. 1 answer
2. 456 views
Calculate the concentrations of all species in a 1.67 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous
1. 4 answers
2. 1,751 views
Relive how I put in sentence
1. 2 answers
2. 896 views
Angle C and angle D are vertical angles. Conclusion is that angle C and angle D are complementary. What is a counterexample of
1. 1 answer
2. 669 views
Would there be any difference in "beginning percent composition" of an alcohol/H2O soln if the alcohol formed an azeotrope with
1. 0 answers
2. 566 views
During a fractional distillation of a 25mL ethanol/H2O soln, it was found that first the temperature stayed constant at ~75 C
1. 0 answers
2. 770 views
Two flat metal plates of area 2.8 m2 are placed parallel to each other and both are then charged, one with +10 µC and the other
1. 0 answers
2. 474 views
Facts about the sun are?I have 1. the only star in our solar system 2. sun spots are cooler areas on sun's surface 3. from solar
1. 1 answer
2. 811 views
1.Estimate 45 x 56 using front-end.2.Estimate 45 x 56 using rounding.
1. 2 answers
2. 800 views
The playground at molly's school is in the shape of an equilateral triangle.The playground at david's school is in the shape of
1. 1 answer
2. 943 views
Which lists all the factors of a composite number?A) 1,3,9,27 B)1,9 C)1,2,3,4,12 D)1,11
1. 3 answers
2. 476 views
Bank XYZ is hiring, and they would like to determine the number of tellers they should hire. Each teller is paid $15 per hour.
1. 0 answers
2. 707 views
(1)I am thinking of a 5-digit odd number.(2)The sum of all its digits is 20. (3) The digits in the hundreds place and in the
1. 4 answers
2. 662 views

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