Questions and answers by

Tony

Questions (448)

What things do you make out of Boron?
1. 2 answers
2. 411 views
Who built the Great Wall of China.
1. 1 answer
2. 515 views
I have a couple of questions, thanks so much.If a country were to increase the value of their currency, how could that improve
1. 2 answers
2. 591 views
I am having trouble with my homework it tells me to write the diffrent forms of energy to a firecracker and a H-bomb.
1. 2 answers
2. 414 views
Find the equalibrium priceD=-5p+40 s=-p^2+30p-8
1. 0 answers
2. 480 views
Which one is considerd a perfect squarea) x^2-14x+9 or b) x^2+6x-9 Neither, if you typed them correctly.
1. 0 answers
2. 513 views
x^2+7xWhich constant should be added to make this expression a perfect square 12¼
1. 0 answers
2. 636 views
which method do you use to solve this equation.(x-1)^2=7.Is it the factoring method or the sqare root method I would take the
1. 0 answers
2. 967 views
write in simplest form1/10 / 1/4 they way you typed the problem illustrates well why it is so important to use brackets to show
1. 0 answers
2. 431 views
x/x-2 - x+1/x = 8/x^2-2xnotice the last denominator factors to x(x-2) and those factors are found in the other two fractions so
1. 0 answers
2. 575 views
Solve for xx/6-x/8 equals 1 Do fraction busters Find the least common denominator, which is 24. Change the fractions to where
1. 0 answers
2. 1,219 views
Do you know the difference between a sequence and a series?Graph the terms of an arithmetic series. Remember the domain is the
1. 0 answers
2. 731 views
2 divided by 5w+ 10, minus 3 divided by2w-42/(5w +10) - 3/(2w-4) ? That can be rewritten with a common denominator. (2/5)/(w+2)
1. 0 answers
2. 567 views
If the sides of of a square are decreased by 2cm, the area is decreased by 36cm square. What are the dimensions of the original
1. 0 answers
2. 526 views
Can you pleas Solve the quadric equation step by step4x square =13x+2 4x^2 = 13x + 2 subtract 13x and 2 from both sides 4x^2 -
1. 2 answers
2. 787 views
THE AEA OF A RECTANGLE OF LEGNTH X IS GIVEN BY 3X SQUARE +5X. fIND THE WIDTH OF THE RECTANGLE.The width is the area divided by
1. 0 answers
2. 469 views
I need a step by step explanation of finding the GCF of (6ysquare -3y)(y+7)The greatest common factor, or GCF, is the greatest
1. 1 answer
2. 978 views
3 students will represent your school at a conference at the state capital. A drawing will be held to select the 3
1. 0 answers
2. 498 views
how do you solve7(3x+4)=8(2x+5)+13 expand the parenthesis...I will do the left side.. 21x + 29= Now, subtract sixteen x from
1. 2 answers
2. 825 views
solve by substitution3x-y = -7 x+y = -9 Substitute 3x+7 for y in the second equation, and solve the resulting equation for x.
1. 0 answers
2. 450 views
I invest $14,000, part is 15% and part is 2% if the total interest at the end of the year is $1060, how much did I invest at 15%
1. 0 answers
2. 487 views
how would f(x)=-2+-3 look like on a graphI assume you made a typo, and you meant to type f(x)=-2x+(-3) or f(x)=-2x-3 that would
1. 0 answers
2. 417 views
Wrtie an equation of a line passing through (6,10) and (6,-6y= mx + b Put in the first set of points: 10=6m + b Do the same for
1. 1 answer
2. 481 views
Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m and the area is 224m2, what
1. 2 answers
2. 1,553 views
When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this correct?Try plugging in your final values for x and y into
1. 0 answers
2. 522 views
5x-2y=-5y-5x=3 substitution Substitute 5x +3 for y in the first equation, then solve it for x. Substitute 5x +3 for y in the
1. 0 answers
2. 621 views
I have beans that sell for $9 per pound and $12 per pound, they need to be mixed to create 100lbs of mixture that will sell for
1. 0 answers
2. 869 views
please solvex+5y=10 -2x-10y=-20 Since the second equation can be obtained from the first (by multiplying both sides by -2), they
1. 0 answers
2. 1,147 views
I need a step by step explanation on how to add these two equations2x+3y=1 5x+3y=16 Subtract the first equation from the second.
1. 0 answers
2. 546 views
Rewrite the equation as a function-3x+4y=11 If you want to consider y as a function of x, then y = (1/4)(3x +11) One can also
1. 0 answers
2. 541 views
If you descend 1800 ft in elevation by the time you are 3.25 mi horizontally away from the top of a mountain, what would be the
1. 0 answers
2. 560 views
I need an equation for L that satisfies the given geometric condition.L has a y intercept (0,3) and is parallel to the equation
1. 0 answers
2. 914 views
what is the equation of a line that passes through point (0,-9) with a slope of 6(y - (-9))/(x - 0) = 6 (y+9)/x = 6 y = __ x +
1. 0 answers
2. 391 views
write the equation of line passing through (6,-10)and (6,-6)I notice that as x is constant, y changes, so it must be a vertical
1. 0 answers
2. 408 views
I have a trapezoid where the height is 16m, the base is 20m,and the area is 224m squared. what is the legnth of the other baseht
1. 0 answers
2. 610 views
I made a mistake in my problem . can you take me step by step on how to solve this problem2x+3y=6 (forx) 2x+3y=6 (forx)
1. 0 answers
2. 417 views
Need help with this problem,2x+y=6 solve for y 2x+y=6 subtract 2x from both sides. 2x-2x+y=6-2x combine terms y=6-2x
1. 0 answers
2. 481 views
im so stupid, uhh whats 1 plus 1 is it 11?I'm sorry--that was not me. I am trying to get some help understanding the problems. I
1. 0 answers
2. 637 views
I NEED TO SOLVE FOR Y AND Xim getting rele confused on this. ok here is the prob. x+y=5 x-2y=-4 <b>equation 1 </b> x+y=5
1. 1 answer
2. 1,371 views
now i have to solve for y. i already no that x=-1.y=-1-2 y=3(-1)+2 -1 -2 = -3 3(-1)+2 = -3 +2 = -1 THANX I WAS SO CONFUSED ON
1. 0 answers
2. 301 views
Solve for each system and equations.y=-x-2 y=3x+2 set -x-2=3x+2 solve for x. thanx i was minusing 2 instead of adding two thanx
1. 0 answers
2. 489 views
8 runners are entered in the 1000-meter run. How many different first, second, and third place finishes could possibly occur?Is
1. 1 answer
2. 1,038 views
8 runners are entered in the 1000 meter run. How many different first, second, and third place finishes could possibly occur?Is
1. 0 answers
2. 455 views
What are relationships between deforestation and wildlife extinction?Thank you for using the Jiskha Homework Help Forum. With
1. 1 answer
2. 612 views
How many different three-digit numbers can be written using the digits 4, 5, 6, and 7? Use each digit only once in a number.Is
1. 0 answers
2. 808 views
Find a quick and easy method to compute the sum of the first 100 counting numbers. I can't use a calculator. I can't figure out
1. 0 answers
2. 782 views
what are the gases that constitute the air in a refineryAre you talking about what is inside the refinery column (petroleum
1. 0 answers
2. 502 views
Write the equation of exchange. Define each variable in the equation and then explain why the left side of the equation must
1. 0 answers
2. 549 views