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Why is (-2) squared different from -2 squared?
answered
Nov 12, 2017
in
order of operations
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1.2k
views
why
exponents
order of operations
8th grade math
Find the value of x,
answered
Nov 12, 2017
in
Other Math Topics
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144
views
solving equations
An ancient manuscript contained this statement: "x² + bx + 30 has two integer roots." Unfortunately, it is impossible to read the positive integer b. How many possibilities are there for b?
answered
Nov 12, 2017
in
Word Problem Answers
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285
views
math problem
After filling a gas tank the odometer read 27,829.5. After the next filling it read 28,176. It took 16.5 gal to fill the tank. How many miles per gallon did the driver get?
answered
Nov 10, 2017
in
Word Problem Answers
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1.3k
views
word problems
Solve for n 28.2n+3=28.2
answered
Nov 10, 2017
in
Algebra 1 Answers
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228
views
Washing two cars and three trucks takes 130 minutes. Washing two cars and five truckes takes 190 minutes. How long des it take to wash each type of vehicle?
answered
Nov 10, 2017
in
Word Problem Answers
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1.4k
views
word problems
Is -2/3 rational or irrational number
answered
Nov 10, 2017
in
Pre-Algebra Answers
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766
views
rational irrational numbers
Laurel has six apple trees in her yard. Each tree has a different number of apples on it. She counts 17 apples in all.
answered
Nov 10, 2017
in
Word Problem Answers
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1.2k
views
6th grade math
What is the percent increase from 15 to 18?
answered
Nov 10, 2017
in
Word Problem Answers
|
199
views
math problem
What strategy does jack use?
answered
Nov 9, 2017
in
Word Problem Answers
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2.2k
views
word problems
4 plus 16 divided by 4 times 4 equals 5
answered
Nov 9, 2017
in
Other Math Topics
|
398
views
word problems
solve for x
my math homework
If we add 10 to both terms of a fraction it becomes equivalent to 2/5 if we subtract 5 from both terms of the same fraction it will be equivalent to 3/10 what is this fraction
answered
Nov 9, 2017
in
Algebra 1 Answers
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404
views
math problem
Use the numbers 1, 9, 9, 8 to make expressions that equal numbers 1-31
answered
Nov 9, 2017
in
Pre-Algebra Answers
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151
views
help!!! please!!!!
the sum of two numbers is 4. the difference between the two numbers is 20. what are the two numbers?
answered
Nov 9, 2017
in
Word Problem Answers
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301
views
algebra problems
A plane travels for 270 miles against a headwind in 3 hours. It would take 1 hour 48 minutes with a tailwind of the same speed. Find the headwind and speed of plane in still air.
answered
Nov 9, 2017
in
Algebra 2 Answers
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2.4k
views
solving applied problems
two equations
motion problems
What is the function of the coordinates (1,14) (2,18) (3,22)
answered
Nov 9, 2017
in
Algebra 1 Answers
|
188
views
math problem
It takes 5 1/2 bags of fertilizer to fertilize a garden that is 400 sq ft.. How many bags of fertilizer is needed if it is 1000 sq ft.?
answered
Nov 9, 2017
in
Word Problem Answers
|
235
views
solving equations through a word problem
Sarah has to spend $12,000 on expenses each year if that out of money is 60% of her salary and how much money does Sarah make working as an accountant per year
answered
Nov 9, 2017
in
Word Problem Answers
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231
views
How much of each must be used to make 15 liters of a solution that is 50% alcohol?
answered
Nov 8, 2017
in
Calculus Answers
|
481
views
word problems
456976= a*a*a. Solve for a
answered
Nov 8, 2017
in
Algebra 1 Answers
|
104
views
this is a question of area
At what average speed does she ride her bike
answered
Nov 8, 2017
in
Algebra 1 Answers
|
182
views
word problems
Several years ago, Camille invested in some gold. The gold is currently valued at $697 per ounce, which is 70% more than Camille originally paid for it. What was the purchase price of the gold?
answered
Nov 8, 2017
in
Algebra 1 Answers
|
178
views
word problem
How do you solve 18x + 9 = 9x + 42?
answered
Nov 8, 2017
in
Pre-Algebra Answers
|
478
views
algebra problems
How do I solve the problem 10+8(3/4y-1/4)=26 in the "dividing by the multiplier" way, if I know that y would be 3?
answered
Nov 7, 2017
in
Algebra 1 Answers
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230
views
Hoe many student tickets are sold
answered
Nov 7, 2017
in
Calculus Answers
|
201
views
word problems
24255/165165 reduced
answered
Nov 7, 2017
in
Other Math Topics
|
215
views
reducing frations to lowest terms
Write a pair of linear equations which has the unique solution x = –1, and y = 3. How many such pairs can you write
answered
Nov 7, 2017
in
Other Math Topics
|
4.1k
views
two small pitchers and one large pitcher can hold 8 cups of water. One large pitcher minus one small pitcher constitutes 2 cups of water. How many cups of water can each pitcher hold?
answered
Nov 7, 2017
in
Trigonometry Answers
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755
views
algebra
word problems
Where do I put the parentheses in 1-3-5-7=10?
answered
Nov 7, 2017
in
Other Math Topics
|
2.1k
views
parentheses
a gambler bets on number 8, there is a 1/38 chance of winning, the gambler bets on number 8 seventy times. what are the values for n,p,q? Find the mean, standard deviati
answered
Nov 6, 2017
in
Statistics Answers
|
365
views
math problem
standard deviation
statistics problems
probability
Divide RS 7056 btw A and B in such a way that 1/4 of A share exceeds 1/5 of B share by RS 211.50
answered
Nov 6, 2017
in
Algebra 1 Answers
|
842
views
algebra problems
The sum is 180°. The larger angle is measures six degrees more thqn fice times the smaller angle. Find the measure of each angle.
answered
Nov 6, 2017
in
Algebra 2 Answers
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222
views
how do you solve this equation problem? please show steps to solve..i've figured most but got stuck on this one.
Which ordered pairs are solutions to the inequality x – 2y < 5? Choose all answers that are correct. Question 10 options: (-3, -2) (-1, -3) (0, 4) (1, -3)
answered
Nov 6, 2017
in
Algebra 1 Answers
|
1.1k
views
How many forts can Jorge build if he has .08 square kilometers of land and it takes 0.5 square kilometers to build one fort?
answered
Nov 6, 2017
in
Word Problem Answers
|
271
views
word problems
solving equations
can you solve the problem and give me a step by step guide on how i sould solve the problem
Make t the subject of g=3t+1/t
answered
Nov 6, 2017
in
Other Math Topics
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231
views
rearranging formulae
1242 divided by 32
answered
Nov 6, 2017
in
Calculus Answers
|
217
views
find the distance fro each pair of parallel lines with the given equations
answered
Nov 6, 2017
in
Geometry Answers
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2.1k
views
parallel lines
slope of a line
calculate distance between two points
I was told to make a line and find its slope with just two numbers
answered
Nov 6, 2017
in
Algebra 1 Answers
|
755
views
algebra problems
x and y
8th grade math
IN which quadrant would the image of point (5,-3) fall after a dilation using a factor of -3
answered
Nov 6, 2017
in
Geometry Answers
|
1.3k
views
geometry 9th grade
Write the values in order from least to greatest. 0.45, 3/4, 5/8, 0.5
answered
Nov 6, 2017
in
Fraction Problems
|
3.6k
views
6th grade math
least to greatest
852divide by 6
answered
Nov 5, 2017
in
Algebra 1 Answers
|
129
views
math problem
how does 285/9 - 5 square = 20/3
answered
Nov 5, 2017
in
Statistics Answers
|
211
views
solving equations
the two legs have lengths of x-6 feet and x+9 feet. The hypotenuse is 2x-27 feet. Find the lengths of the three sides
answered
Nov 5, 2017
in
Word Problem Answers
|
285
views
word problems
Solve 3x squared minus x minus 1 =0
answered
Nov 5, 2017
in
Algebra 2 Answers
|
2.4k
views
solve for x
2 solutions
If you have 5 red pens, 7 blue pens and 3 green pens, what is the probability of picking a green pen?
answered
Nov 5, 2017
in
Word Problem Answers
|
1.4k
views
probability
word problems.
Sam wants to border 6 3/4 feet of wall. He has 3 6/7 feet of border. What fraction of the project can he complete?
answered
Nov 5, 2017
in
Word Problem Answers
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1.9k
views
grade 9 question , rate of change
answered
Nov 5, 2017
in
Word Problem Answers
|
814
views
rate of change
2a^2=-6+8a
answered
Nov 5, 2017
in
Algebra 2 Answers
|
638
views
math problem
algebra problems
solving equations
What is 2.5% of 847
answered
Nov 5, 2017
in
Other Math Topics
|
164
views
How much is each ticket if,you get 120 tickets for $140.00?
answered
Nov 5, 2017
in
Other Math Topics
|
294
views
word problem
algebra word problems
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