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All Questions
+0
234777 Questions
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422
1
plz help help apreciated
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Guest
Feb 23, 2021
-1
463
2
Please Help!! Test Question
A scientist recorded the movement of a pendulum for 15s. The scientist began recording when the pendulum was at its resting position. The pendulum then moved right (positive displacement) and left (negative displacement) several times. The pendulum's furthest
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Guest
Feb 23, 2021
0
9
1388
1
solid mensuration
The volume of a frustum of a cone is 1176π cubic meter. If the radius of the lower base is 10 m and the altitude is 18 m. Compute the radius of the upper base.
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Guest
Feb 23, 2021
-1
493
1
interest rate calculation
A principal of 8,270 dollars is placed in an account that earns interest at the rate of 8% and is compounded quarterly. Approximately how much interest is earned on the investment at the end of 7 years? Show your work.
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Guest
Feb 23, 2021
-1
636
2
question on pythagoras
Find the length of the third side. If necessary, round to the nearest tenth.
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Guest
Feb 23, 2021
+4
546
2
+73
help me pls! very urgent!!!
Let n be a positive integer with exactly 2 positive prime divisors. If n2 has 27 divisors, how many does n have?
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Vanilla
Feb 23, 2021
+4
517
1
+73
Help Please!
Let n be an odd integer with exactly 11 positive divisors. Find the number of positive divisors of 8n3.
TYSM!!!!
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Vanilla
Feb 23, 2021
0
546
2
word problem
Your mother is 25 years older than you. Your father is 3 years older than your mother. The product of all three ages are 32,130. How old is your father?
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Guest
Feb 23, 2021
0
445
1
algebra
how many pounds of coffee worth 10 dollars a pound should be added to 20 pounds of coffee worth 4 dollars a pound to get a mixture worth 5 dollars a pound
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Guest
Feb 23, 2021
0
387
1
need help
What is the measure of x?
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Guest
Feb 23, 2021
0
328
1
number theory
How many distinct four-digit numbers are divisible by 7 and have 21 as their last two digits?
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Guest
Feb 23, 2021
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511
1
similar triangles
Find the value of a such that the triangles are similar.
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Guest
Feb 23, 2021
0
553
1
How many positive integers n <= 20 000...
How many positive integers n <= 20 000 have the properties that 2n has 64 positive divisors including 1 and 2n, and 5n has 60 positive divisors including 1 and 5n?
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Guest
Feb 23, 2021
0
374
4
similar triangles
Avery erects a radio antenna in his backyard. How many feet tall is the antenna?
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Guest
Feb 23, 2021
0
373
3
Please help.
I know someone already asked this but no one answered so I'm going to ask it again.
Ms. T gave Grogg the following problem: "License plates in Mathlandia consist of six upper-case letters. For example, two possible Mathlandian
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Guest
Feb 23, 2021
0
642
2
help geometry
If MJ = 15, KL = 16, and ML = 20, what is MK?
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Guest
Feb 23, 2021
0
384
2
Pascal's Triangle + Identities Help Needed Quickly
Let $n$ be a positive integer.
(a) Prove that
$n^3 = n + 3n(n - 1) + 6 \binom{n}{3}$
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Guest
Feb 23, 2021
0
618
2
Can someone help me please. It's urgent
A creature on the moon throws a rock off a cliff. The height of the rock above the surface of the moon, in meters, t seconds after it is thrown is given by h(t) = −t 2 + 8t + 10. When does the rock hit the surface of the moon?
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Guest
Feb 23, 2021
0
598
4
Plz help me Urgent
The grid lines in the graph below are one unit apart. What is the equation of the circle plotted in the graph in standard form?
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Guest
Feb 23, 2021
0
425
2
interest rates
Plz help a girl out!
Thomas invest 10,000 dollars in the stock market. He lost 1.5% each year. To the nearest hundredth, how much did he have after 5 years?
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Guest
Feb 23, 2021
0
381
1
quick geometry question
Find the length of BC, in simplest radical form.
Logarhythm
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Guest
Feb 23, 2021
0
409
1
proportion
It is given that x varies directly as y and inversly as the square of z, and that x = 10 when y = 4 and z =14. What is x when y = 16 and z = 7?
calvinbun
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Guest
Feb 23, 2021
+4
636
2
+379
Help Asap. Thanks.
The side lengths of a right triangle measure , and units where . What is the value of ? Express your answer as a common fraction.
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calvinbun
Feb 23, 2021
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