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Post New Question
All Questions
+0
234927 Questions
+1
504
5
My word math problem =)
Willy bought 15 pears and Jack bought 18 oranges. They spent the same amount of money. The difference in cost between a pear and an orange was $0.10. How much did Willy spend on the 15 pears?
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Guest
Apr 6, 2021
+1
374
1
units digit
Find the units digit of $(123^{33} + 27^{54}) \times (148^{326} + 2019^{2016})$.
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Guest
Apr 6, 2021
+1
318
3
fractions
Ron puts all his nails into 2 large boxes and 6 small boxes. There are 20 more nails in one large box than one small box. The number of nails in the 2 large boxes was 1/2 as many as the number of nails in the 6 small boxes. Find the number of nails in 1
read more ..
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Guest
Apr 6, 2021
+1
403
3
Speed rate :)
The speed limit through a city is 50 Km per hour. If Jason drives 25 km through the city in 20 mintutes, has he broken the law?
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Guest
Apr 6, 2021
+1
394
1
math problem
The digits 1, 2, 5, 6, and 9 are all used to form five-digit even numbers in which no digit is repeated. What is the third-largest of these numbers?
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Guest
Apr 6, 2021
+1
389
2
digits
A, B, C, and D are positive digits such that ABCD + BCD + CD + D + 377 = 2012. Find A + B + C + D
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Guest
Apr 6, 2021
+2
787
1
HELP!!!
A particular right square-based pyramid has a volume of 63,960 cubic meters and a height of 30 meters. What is the number of meters in the length of the lateral height (AB) of the pyramid? Express your answer to the nearest whole number.
read more ..
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Guest
Apr 6, 2021
+1
350
1
number theory
A positive two-digit integer ab is a multiple of a-b. How many such integers are there?
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Guest
Apr 6, 2021
+1
432
3
is -3x+8=y is that a function
is -3x+8=y is that a function
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Guest
Apr 6, 2021
+2
547
3
+177
new geometry question
Arc is a quarter-circle with center . The shaded region is "rolled" along a straight board until it reaches its original orientation for the first time with point landing at point . If cm, what is the length of the path
read more ..
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TheGreatestOofman
Apr 6, 2021
+1
569
1
Volume
The total length of all edges of a cube is 156 cm. What is the volume of the cube?
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Guest
Apr 6, 2021
+1
362
1
quadratic
Find the product of all positive integer values of c such that 3x^2 + 17x + c = 0 has two real roots.
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Guest
Apr 6, 2021
+1
446
1
Can someone help me?
Describe three different strategies you could use to verify that these equations are identical:
1) quadratic function: y=0.6(x+4)2+2.4
2) vertex form of the function: y=0.6x2+4.8x+12.
read more ..
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Guest
Apr 6, 2021
+1
419
1
Maryland has a carpet with an area of 29 1/2 square feet
Maryland has a carpet with an area of 29 1/2 square feet
if the length of a carpet is 6 1/2 square feet what is the width of the carpet in feet
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Guest
Apr 6, 2021
+1
650
2
I am having some trouble with this problem... can i have some help? thanks!!
Given that $\binom{17}{7}=19448$, $\binom{17}{8}=24310$ and $\binom{17}{9}=24310$, calculate $\binom{19}{9}$.
thanks!
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Guest
Apr 6, 2021
+1
1314
1
In the figure below, l || m. Find x.
In the figure below, l || m. Find x.
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Guest
Apr 6, 2021
+1
403
1
coordinates
Write the equation of a circle whose diameter is 12 and whose center is at (-6,-3)
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Guest
Apr 6, 2021
0
902
1
Help please with my math question
There are white, blue, and red boats in a marina. Two-thirds of the boats in the marina are white,
5/8
of the remaining boats are blue, and the rest are red. If there are 6 red boats, how many boats are in
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Guest
Apr 6, 2021
+1
624
6
+487
More Modular Arithmetic
How many integers $n$ satisfy $0
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RiemannIntegralzzz
Apr 6, 2021
+1
454
3
+487
Modular Arithmetic
The Lucas sequence is the sequence 1, 3, 4, 7, 11,... where the first term is 1, the second term is 3 and each term after that is the sum of the previous two terms. What is the remainder when the $100^{th}$ term of the sequence is divided by 8?
read more ..
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RiemannIntegralzzz
Apr 6, 2021
+1
520
3
+487
Congruence and Residues
Each row of a seating arrangement seats 7 or 8 people. Forty-six people are to be seated. How many rows seat exactly 8 people if every seat is occupied?
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RiemannIntegralzzz
Apr 6, 2021
+1
433
1
help with percent
Darius buys a bottle of a chemical solution that contains 70%, percent alcohol. The bottle contains 600 milliliters of solution. How many milliliters of alcohol are in the solution?
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Guest
Apr 6, 2021
+2
423
3
easy counting and probability. difficult for me!
Two distinct numbers are selected simultaneously and at random from the set (1, 2, 3, 4, 5). What is the probability that the smaller one divides the larger one? Express your answer as a common fraction.
i am afriad i may mis
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Guest
Apr 6, 2021
+2
647
6
+592
Absolute Value Inequalities
|4y + 1| < |2y - 3|
I don't really understand this so could you give me full working out please
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Logarhythm
Apr 6, 2021
Apr 5, 2021
+1
375
1
Quadratics
If the roots of the quadratic equation 1/2*x^2 + 99x + c are x = -99 - sqrt(7801) and -99 + sqrt(7801), then what is the value of c?
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Guest
Apr 5, 2021
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