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All Questions
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152168 Questions
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99
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help
A flat, rectangular sheet of gold foil measures 20 cm by 20 cm and has a mass of 23.16 grams. If 1 cubic centimeter of gold has a mas of 19.3 grams, find the thickness of the gold foil.
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Guest
Jan 22, 2019
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134
1
maths q proof
prove that 5n-(2n+3)(2+1) is always negative
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Guest
Jan 22, 2019
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98
1
what is .0033333333333333 in scientific notation
what is .0033333333333333 in scientific notation
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Guest
Jan 22, 2019
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52
0
help plz
http://prntscr.com/maq68t
Guest
Jan 22, 2019
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139
2
help
How many of the 343 smallest positive integers written in base 7 use 4 or 5 (or both) as a digit?
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Guest
Jan 22, 2019
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88
1
help
Suppose that varies inversely with . If y=2 when z=1, find the value of z when y=4. Express your answer in simplest fractional form.
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Guest
Jan 22, 2019
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287
1
Need Help
The table shows the height in centimeters, that a weight bouncing from a spring would achieve if there were no friction, for a given number of seconds.
Time (s)Height (cm)
0
read more ..
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Guest
Jan 22, 2019
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62
0
(-2,1)(4,5)=
(-2,1)(4,5)=
Guest
Jan 22, 2019
0
61
0
help
Write as a product of two monic quadratics with integer coefficients.
Guest
Jan 22, 2019
0
170
5
what is life
What is life
off-topic
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Guest
Jan 22, 2019
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133
1
What constant do you need to add to each quadratic to complete the square?
What constant do you need to add to each quadratic to complete the square?
Which of the following constants can be added to x2 + 2/3x to form a perfect
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Guest
Jan 22, 2019
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179
2
+701
check work?
Is the Answer for this a?
https://snag.gy/Usdwr8.jpg
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hoiuu
Jan 22, 2019
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147
1
+701
math help pls
Which equation could represent the relationship shown in the scatter plot?
https://snag.gy/6jh50W.jpg
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hoiuu
Jan 22, 2019
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59
0
help
http://prntscr.com/manr9w
Guest
Jan 22, 2019
+1
102
1
i need help!!!!!
2
Ms. Perry bought a plant and is tracking the height of the plant each week. If y represents the height of the plant, in inches, x weeksafter she bought the plant, which of the following situations is represented
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Guest
Jan 22, 2019
+1
208
3
Help Please!
Nancy generates a two-digit integer by rolling a six-sided die twice. The result of her first roll is the tens digit, and the result of her second roll is the ones digit. What is the probability that the resulting integer is divisible by 8? Express your
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Guest
Jan 22, 2019
+1
80
1
i need help
3
Starla bought cloth napkins at an outlet store for $2.25 each, and she also used a $5 off coupon. In the equation below, x represents the number of napkins, and y represents the cost before tax.
y =
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Guest
Jan 22, 2019
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108
1
i need help
1
Type the correct answer in each box. Use numerals instead of words.
A music provider charges a monthly fee to use its services. There is also an additional cost for each song downloaded. The graph shows the total cost of
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Guest
Jan 22, 2019
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95
2
am i correct?
am i correct
http://prntscr.com/mamau7
or do i add a -2 to the end ?
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Guest
Jan 22, 2019
0
91
1
Simplify expression
How do you simplify this expression?
15z² - (3z - 1) (4z - 1) + 1
(The answer should be 3z² + 7z, I just don't understand how.)
Thankful for help.
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Guest
Jan 22, 2019
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95
1
How to graph this
http://prntscr.com/malyfr
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Guest
Jan 22, 2019
0
111
3
15z² - (3z - 1) (4z - 1) + 1
15z² - (3z - 1) (4z - 1) + 1
In a calculation like this, are you supposed to change the minus inside both parantheses to plus?
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Guest
Jan 22, 2019
+2
150
3
+112
A racecar drives 10 laps around a 1-mile oval track in 250 seconds. What is the racecar’s velocity?
A racecar drives 10 laps around a 1-mile oval track in 250 seconds. What is the racecar’s velocity?
A river is flowing South at 14 mph relative to the bank. If a man rows a boat downstream at 5 mph relative to the river,
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McAcey
Jan 22, 2019
0
143
1
+112
A clown runs 5 laps around a 400-meter track in 9 minutes. What is the clown’s speed?
A clown runs 5 laps around a 400-meter track in 9 minutes. What is the clown’s speed?
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McAcey
Jan 22, 2019
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