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Post New Question
All Questions
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234765 Questions
+1
359
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help
In a cable car station, the cars can go up hill or down hill. The cars takes 1.5 minutes to complete the trip and in each case they move at constant speed.
Exactly 40 seconds after the car A start going up hill, it met the
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Guest
Jul 2, 2020
+1
419
1
help
Marie shops at a store where all prices end in 99 cents ($0.99, $1.99, $2.99, etc.). She ends up spending $33.89.
How many items did she purchase?
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Guest
Jul 2, 2020
+1
423
1
can you help with this?
In a city, 60% of the population are women, 30% of the women are girls and 40% of the girls have 5-7 years old.
25% of the total of men are boys and 20% of boys have 5-7 years old. There are a total of 2000 5-7 years old boys in the city.
How
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Guest
Jul 2, 2020
0
814
7
please help
What is the sum of all even number between 10 and 500 inclusive?
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Guest
Jul 2, 2020
0
350
0
probability
You get from a deck of cards the four aces. You put these cards in a table and these cards are facing down. You have 2 red cards (Heart and Diamond) and 2 black cards (Club and Spade). What is the probability to choose two cards at random, and each card
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Guest
Jul 2, 2020
0
612
1
help
The rectangle ABCD was divided into 9 small rectangles, and some rectangles have their perimeter inside it. The perimeter of rectangle ABCD is 54 cm. What is the perimeter of the gray rectangle?
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Guest
Jul 2, 2020
0
702
1
How are you supposed to solve this?!
Joshua has a brand of peanut oil, which has 19% oil. Kyle has a brand of olive oil, which has 71% oil. Joshua and Kyle combined their oils and made 1 3/10 quarts of a new oil. If the new oil containes 39% oil, how many quarts of peanut oil did they use?
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Guest
Jul 2, 2020
0
621
1
help
If the perimeter and radius of a sector are 38 and 9 cm respectively . find its area.
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Guest
Jul 2, 2020
+1
987
2
+865
tough problem! I tried using geometric series formula...
The real numbers a and b satisfy |a| < 1 and |b| < 1.
(a) In a grid that extends infinitely, the first row contains the numbers 1, a, a^2, \dots. The second row contains the numbers b, ab, a^2
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AnimalMaster
Jul 2, 2020
0
674
2
pls help!
Compute:$\gcd(36, 104)$
pls help if you can!
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Guest
Jul 2, 2020
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495
2
help
The value of x is the mean of the numbers in the white circles. The values of y is the mean of numbers in the blue circles. Find x-y.
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Guest
Jul 2, 2020
0
473
1
can anyone help
What is the sum of all three-digit numbers which leave a remainder 3 when divided by 5?
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Guest
Jul 2, 2020
0
635
1
help
Let A and B be points on a circle of radius 2 centered at O, such that angle AOB = 90. C is the midpoint of OB, and AC extended meets the circle at D. Find the length CD.
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Guest
Jul 2, 2020
0
481
1
help
A car travels 200 km from A to B at 40 kph, and returns from B to A along the same route at 60 kph. What is the average speed of the round trip?
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Guest
Jul 2, 2020
0
624
3
+93
halp me
The equation of the line that passes through the points (-2,0) and (0,2) can be expressed in the form y=mx+b. What is the value of m+b?
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stuckonmyproblem
Jul 2, 2020
Jul 1, 2020
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368
0
help
Simplify
Guest
Jul 1, 2020
0
821
0
+865
kind of need some help
Jasmine had 3 paperclips on Monday, then she had 6 on Tuesday, and her number of paperclips proceeded to double on each subsequent day. On what day of the week did she first have more than 100 paperclips?
Edit: ahh I should learn
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AnimalMaster
Jul 1, 2020
0
458
1
help
In the figure shown, the length of minor arc SD is one-half the length of minor arc FD. Find the measure of ∠SDG in degrees.
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Guest
Jul 1, 2020
0
512
1
help with geometry
A half-circle is inscribed within an equilateral triangle such that the diameter of the half-circle is centered on one edge of the triangle and the arc is tangent to the other two sides. What is the diameter of the semi-circle if the triangle has an edge
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Guest
Jul 1, 2020
0
823
1
+738
pLeAsE HeLp mE wiTh biOLoGy!!!
1. Which of the following describes cell activity during the G1 phase of the cell cycle?
a. The cell undergoes mitosis
b. the cell grows and makes new organelles
c. the cell replicates its DNA in the nucleus
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lokiisnotdead
Jul 1, 2020
+4
696
3
+185
I don't understand this, please explain and help!
The number has four fourth roots. In other words, there are four complex numbers that can be entered in the square in the equation below: Find them.
I know that 2 is one, but I don't know how to find the others. Could
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Otterstar
Jul 1, 2020
0
604
1
+93
help!!!!!
The graph of the line x+y=b is a perpendicular bisector of the line segment from (1,3) to (5,7). What is the value of b?
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stuckonmyproblem
Jul 1, 2020
+4
588
1
+185
Algebra, please help if you can!
Simplify .
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Otterstar
Jul 1, 2020
0
581
1
+93
help plz
For what value of k does the line represented by the equation 1-kx = -3y contain the point (4,-3)?
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stuckonmyproblem
Jul 1, 2020
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