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barb
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barb
Questions (112)
The half-life of polonium is 139 days, but your sample will not be useful to you after 95 % of the
radioactive nuclei present on
3 answers
1,970 views
2- The earth’s atmospheric pressure p is often modeled by assuming that the rate dpdhat Which p changes with the altitude
1 answer
1,004 views
I need help unscrambling these letters to get the name of a city...kamwaiya
1 answer
376 views
How do i use a calculator to figure exponents. Example: 1.022 to the 50th power.
1 answer
384 views
discuss the organization of a technical scientific paper
6 answers
739 views
I have a book on finding what you need for critical thinking as for as questions and answers please if I can help let me know.
2 answers
563 views
x + 3 + 4x = 23
What is x?
2 answers
864 views
computer upgrades are great but what's one to do when there is no manuel for teaching the new upgrades?
my question: has anyone
1 answer
414 views
why does the inequality sign change when multiplying or dividing by a negative number? does this happen with equations?
3 answers
492 views
The textbook states that the most significant contribution positive psychology makes to the scientific study of well-being is
2 answers
628 views
Find four to six credible Web sites or articles that support, oppose, or present information about bilingualism in education or
3 answers
529 views
i need to find a website that i can down load a copy of an adult psychologial treatment form...where can i find one????
3 answers
1,078 views
for the hardy-weinberg equation, is p always for the dominant allele and q recessive? is the value of p always greater than q?
1 answer
439 views
4. Assignment: Photosynthesis and Cellular Respiration Powerpoint
Energy acquisition is essential for all life. Whether the
1 answer
879 views
solve -3.4-(-7.6)
1 answer
244 views
This problem is in chapter 9 page 708, problem 58. It looks like it could be solved two ways.
16 div. by (-2)*(-4)
2 answers
871 views
Ms. Sue
that would make it 2/2to third power +4. Am I on The right track?
1 answer
297 views
16÷(-2)◦(-4)
______________ 2³+ 4 16÷8 _______ 8 + 4 2 = 1 12 6 There is supposed to be a line under the first part of the
1 answer
374 views
4-(-3)+1
2-2÷(-2) There is supposed to be a fraction line in between the sets of numbers. I do not know how to make my computer
1 answer
352 views
what is the area of a square measuring 5 inches on all 4 sides
3 answers
446 views
find 45 divided by 9 by repeated subtraction. Should I repeat by subtracting 9 everytime or 5 everytime?
3 answers
802 views
divide 5 1/2 divied by 4 3/5 answer in simplest form. does simplest form mean a mixed number or decimal? I got an answer of 1
5 answers
1,840 views
Estimate the following product.
6/1/8 * 7 4/5 should I just multiply 6 * 8 to get an estimation?
1 answer
316 views
which pair of fractions is proportional
A)0.8/0.4=3.2/2 B)0.6/0.3=0.9/0.45 C)0.8/0.4=3.2/2.4 D)0.8/0.4=4/2.4 I thought B was
1 answer
480 views
if the electricity bill increased from $10,000 to $13,000 in a year, to the nearest whole percent, what was the rate of
1 answer
390 views
Identify the base in the following application: The sales tax rate is 8%. If you pay a tax of $2.50 on an item, what is the
3 answers
950 views
Identify the "Base" in the following application: The sales tax rate is 8&. If you pay a tax of $2.50 on a purchased item, What
2 answers
531 views
The square root of 21 is between what two whole numbers?
I got 4 and 5 , is this correct?
1 answer
348 views
I am going to try to underline this problem:
-21-(-9) _________ -21-(-21) is this -12/0 undefined?
1 answer
299 views
46. Perform the indicated operation.
-21-(-9) divided by -21-(-21)
1 answer
386 views
evaluate[-24]-[-22]
the brackets are supposed to be "bars". Is this the same as saying 24-22? do the bars mean the "absolute
1 answer
386 views
-4/5 + (-3/4) how do I work this
1 answer
238 views
The sales tax rate in a state is 8%. If you pay a tax of $2.50 on an item purchased, what is the selling price?
Plaese identify
1 answer
371 views
-4/5 + (-3/4) how do I work this? Will the answer be positive or negative? Please help me!!!!!
1 answer
293 views
is there a common multipple for 116, and 145? Can 116/145 be reduced or simplified? I have been agonizing for an hour over this.
1 answer
452 views
can the fraction 104/117 be reduced or simplified?
3 answers
420 views
how do you know when an equation has infinitely many solutions? How do you know when an equation has no solution?
1 answer
420 views
i am having a problem with this problem. it is week 2 checkpoint mat116
it says to solve using the principle of multiplication.
1 answer
412 views
please show me how to solve this equation.I need step by step, because I just do not get it.
7/2x + 1/2x = 3x + 12/2 + 5/2x HELP
1 answer
407 views
6-3(3x-1)=-18
1 answer
264 views
Can someone please help me with these problems?Out of 35 problems these are the ones I can not figure out.Please show all of the
6 answers
785 views
how do you know when an equation has infinate many solutions and how do you know if an equation has no solutions?
The second part
4 answers
587 views
is -15<-10 please explain
3 answers
370 views
-x/5=i/8 please show me how to work this
4 answers
291 views
4(x+4)=7(x-2)
Can someone show me how to solve this. I have been working on it for about 1 hour and I can not get each side to
1 answer
295 views
B= K+v/2 how do I solve this for K
3 answers
250 views
I am having trouble finding the x and y intercepts in this equation. Can someone please help me?
y=-5-5x
3 answers
373 views
graph the equation by plotting the points: 35-5y=0
i know how to put the solutions on the graph. i am stuck on this equation. i
2 answers
1,138 views
42-6y=0
I need three sets of coordinates and the line must be parallel to the x axis.I think the y has to be 7 but I can not come
1 answer
285 views
graph the equation and identify the y intercept: y=1/2x
How do work this can anyone help with step by step as i will have more of
7 answers
476 views
can i get step by step for this equation?
3x + 2y =24 what is the y intercept and what is the x intercept? I need the ordered
4 answers
1,431 views
please solve:
8y - 12 < 7y - 7 { y y < ? there is supposed to be a straight line between the y and y
6 answers
988 views
find the slope of the line, if it exists:
coordinates are (-1,-5), (1,-5) I am doing something wrong because I either get 5 or if
1 answer
380 views
graph the equation and identify the y intercept: y=1/2x
How do work this can anyone help with step by step as i will have more of
6 answers
432 views
5(3+4x)-6>=129
I get 2 different answers on this one. 15+20x-6>=129 15+20x-6+6>=129+6 15+20x>=135 15-15+20x>=135-15 20x>=120
2 answers
555 views
graph and find the slope. I graphed and now I need the slope.
(1,-5),(-1,-5) m=
1 answer
443 views
From a base elevation of 6300 ft. a mountain peak rises to a summit elvation of 14366 ft. over a horizontal distance of 15844
1 answer
363 views
find the slope if any:
x+8y=16 x+0=16 x=16 0 +8y=16 8y=16 8y/8=16/8 y=2 this is the part that loses me: 0-2=-2 16-0=16 -2/16=-1/8
1 answer
273 views
How can you determine if two lines, plotted on the x-y graph and represented as y=mx + b are perpendicular?
1 answer
459 views
find the slope and the y intercept of the line. Please help me I keep getting the y intercept wrong.
8x=9y + 54 I got the slope
3 answers
577 views
Can someone help me plwease with this problem????? I need to find an equation for the given pair of points and express my answer
2 answers
620 views
I need to see step-by-step how to find an equation of line containing pairs of points: use y= mx+b form. (-7,-8), (-3,-6)
Here is
1 answer
381 views
write an equation of the line containing the given point and parallel to the given line; use y=mx+b form; (5,8) x+4y=7 i keep
2 answers
485 views
I need to see how to arrange 8-1/5y=10x to mx+b form Is it -1/5y=10x-8? I need the slope and y intercept. Thanks much to who
2 answers
505 views
49 is 77% of what number?
4 answers
296 views
what is the total liabilites and the owners equity in the balance sheet you prepared in exam figure 4? a. $,5,906.54?
1 answer
446 views
the perimeter of a rectangular garden is 25.6m and the area is 36.12msquare. find the length and width of the garden
1 answer
392 views
find sqrt1575x^4. thanks in advance and is the answer 15x^2sqrt7
3 answers
344 views
what is the 14th root of (-2) to the 14th power? Thanks in advance
1 answer
328 views
please help with this radical: Thank you in advance.
sqrt of 3a + 7*sqrt of 75a^3
1 answer
299 views
can someone check my answer on this one?
rewrite with rational exponents: (sqrt5mn)^9 i got: 5^9/2m^9/2n^9/2 is this correct?
3 answers
393 views
I need help quick with this problem. Thanks in advance.
What is the 14th root of (-2)^14 power?
1 answer
333 views
Thank you in advance.
How do you write an equivalent expression using radical notation for 635^3/4 power? Can I have this before
3 answers
425 views
The cubed root of x+5=3.In solving this I get x=22. Is there another possible solution for x? Can I have this quick? Thank you
3 answers
357 views
thankyou so much in advance.I need to write an equation in the variable x having -sqrt5,6sqrt5 as solutions. This needs to be in
1 answer
450 views
write a quadratic equation in the variable x having the given numbers as solutions. Use ax^2 + bx + c=0
Thanks so much for the
3 answers
534 views
I am getting desperate. Can someone please help me with this and thank you in ADVANCE!!!!
WRITE A QUADRATIC EQUATION IN THE
1 answer
391 views
I only have 1 hour to get this question answered. Thank you in advance. I need a quadratic equation in the variable x given the
5 answers
377 views
Find the standard form of the equation of the ellipse with the following characteristics.
foci: (+/-5, 0) major axis of length:
3 answers
1,429 views
Find the vertex and focus of the parabola.
(x^2)-(24y) = 0
4 answers
1,775 views
Find all real zeros of the polynomial f(x)= x^4 -130x^2+3969 and determine the mutiplicity of each.
3 answers
369 views
jared wants to save $100 to buy a tennis racket.he saves $8 each week,and his mother gives him an extra $0.25 for each dollar he
6 answers
569 views
buses to the stadium leave central station every 10 minutes buses to the zoo leave central station every 16 minutes both buses
4 answers
651 views
find the area of each circle. use 22 over 7 for pie. and radis for 15 in.
1 answer
384 views
a cylinder that has a diameter of 2.5in. and length of 5.5ft, determine the volume of a) inches; b)feet
1 answer
328 views
each week you gave a quiz in social studies and science class. find the probability both quizzes given on the same day tell if
2 answers
615 views
Find the payment necessary to amortize a 4% loan of $900.00 compounded quarterly , with 11 quarterly payments?
1 answer
664 views
Use the compound interest formula A=P(1+r)^t and the given information to solve for r.
A=9,000,000 P=60,000 t=40
1 answer
399 views
using 100 ft of fence material an dbuilding a regular gexagon garden, what is the area of the garden?
1 answer
321 views
find an antiderivative F(x) of f(x)=11x-sqrt(x)
3 answers
692 views
6.4-y=6 2/5 y=
1 answer
211 views
33 1/3+p=100%
1 answer
233 views
the water in leroy's and jerod's fish tank has evaporated so it was about 5/8 inch below the leverit should be.they added water
1 answer
438 views
how do u know the answers shown on the computer for What do they call the international hoola hoop championships?are correct
1 answer
352 views
-3/4+7/12-(-5/6)
the answer I get is o.6666667.
1 answer
302 views
how many calories are required to melt a 135.0g sample of ice at 0.0 c
1 answer
416 views
the quotient of n and 5 is 4 times n
find equation
4 answers
2,198 views
-14s-1
true or false
2 answers
632 views
what should you do in writing a memorandum?
1 answer
369 views
what is ascii text?
3 answers
325 views
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