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Post New Question
All Questions
+0
232635 Questions
0
312
1
arithmetic problem
I have an apple tree, which grows 5 new apples every 3 days. However, I pick an apple from the tree every day. Today, there are 10 apples on the tree. How many more days will it be before it has 40 apples?
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Guest
Jan 27, 2021
+1
536
1
+75
Find all real x that satisfy (2^x - 4)^3 + (4^x - 2)^3 = (4^x + 2^x - 6)^3.
Find all real x that satisfy (2^x - 4)^3 + (4^x - 2)^3 = (4^x + 2^x - 6)^3.
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Destryox
Jan 27, 2021
0
277
0
algebra problem
The sum of the squares of three positive numbers is 160. One of the numbers is equal to the sum of the other two. The difference between the smaller two numbers is 4. What is the positive difference between the cubes of the smaller two numbers?
read more ..
Guest
Jan 27, 2021
+1
581
1
+75
Let a, b, c, and d be distinct real numbers such that
Let a, b, c, and d be distinct real numbers such that
a = (sqrt4 + (sqrt(5+a)))
b = (sqrt4 - (sqrt(5+b)))
c = (sqrt4 + (sqrt(5-c)))
read more ..
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Destryox
Jan 27, 2021
0
602
2
As shown in the diagram, PQ/QR=1/3. Find [PAB]/[QAB].
As shown in the diagram, $PQ/QR=1/3.$ Find $[PAB]/[QAB].$
[PAB] means the area of triangle PAB. I'm asking for a ratio
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Guest
Jan 27, 2021
0
249
0
how to solve?
A stream is going 3 miles an hour. A boat travels upstream 12 miles and then returns to its original position downstream along the same route. If the speed of the boat in still water is 9 miles per hour, what is the average speed for the whole trip there
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Guest
Jan 27, 2021
0
293
0
limx→−2−f(x)+limx→1f(x)+limx→2f(x)−f(2)
limx→−2−f(x)+limx→1f(x)+limx→2f(x)−f(2)
Guest
Jan 27, 2021
0
1459
1
please help stuck on question What is the sum of the first six terms of the series? 32−8+2−0.5+... Enter your answer as a simplified frac
What is the sum of the first six terms of the series?
32−8+2−0.5+...
Enter your answer as a simplified fraction in the box.
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Guest
Jan 27, 2021
0
533
2
Two triangles are similar. The perimeter and area of the smaller triangle are 2. The perimeter of the larger triangle is 3. What is the area
Two triangles are similar. The perimeter and area of the smaller triangle are $2$. The perimeter of the larger triangle is $3$. What is the area of the larger triangle?
At first I got 3 for the area, but it's wrong. What's the correct
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Guest
Jan 27, 2021
0
266
0
stuck on geo
BCDF is a rectangle. Triangle ABE has an area of 2 cm^2. Triangle BEF has an area of 3 cm^2.
Find the area of the blue region
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Guest
Jan 27, 2021
0
380
1
Derivative of 4/x^4
How do I determine the derivative of 4/x^4?
I got it to 4*(1/x^4) then 4*(1/4x^3) but it says the answer is -(16/x^5), how do I get to this answer?
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Guest
Jan 27, 2021
0
255
0
What expression could be substituted in below so that the equation has one solution of 𝑥 = −1.
What expression could be substituted in below so that the equation has one solution of 𝑥 = −1. 5𝑥 − (𝑥 − 2) = 2�
Guest
Jan 27, 2021
0
420
1
graphing
The equation y = (x + A)/(Bx + C) , where A,B, and C are integers, is shown below. What is A + B + C?
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Guest
Jan 27, 2021
0
392
1
please help
Given that AB=12, CD=1, angle BAC = 90 degrees, and the semicircle is tangent to BC, find the radius of the semicircle.
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Guest
Jan 27, 2021
0
477
1
+113
Can sombody please help with this question.
Can sombody please help with this question.
Using the following inequality:
3x + 2y <10
read more ..
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joeman365
Jan 27, 2021
0
265
0
integrals help
Find all values such that
$\displaystyle\int_{-\pi}^{\pi}\cos(mx)\cos(2x)\,dx\neq 0$
Guest
Jan 27, 2021
0
483
2
+59
can you help me please
Prove that the product of an odd number with an even number is an even number.
Prove that the square of any even number is a multiple of the number 4.
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helloguys
Jan 27, 2021
0
468
2
Math
How many times can 3/4 go into 6 1/2?
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Guest
Jan 27, 2021
0
502
2
help geo
As shown above, a parallelogram ABCD is partitioned by two lines AF and BE, such that the areas of the red triangle ABG = 27 and the blue triangle EFG=12.
What is the area of the yellow region?
read more ..
Tiggsy
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Guest
Jan 27, 2021
0
496
2
please help i am dying in math class :(
Xanthia can read 100 pages per hour and Molly can read 50 pages per hour. If they each read the same book, and the book has 225 pages, how many more minutes than Xanthia would it take for Molly to finish reading the book?
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Guest
Jan 27, 2021
0
685
2
+236
A new train goes 20% farther than an older train in the same amount of time.
A new train goes 20% farther than an older train in the same amount of time. During the time it takes the older train to go 200 miles, how many miles can the newer train complete?
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Choff
Jan 27, 2021
0
558
1
Help
A fruit can has a diameter 5.8 cm and height 10.5 cm. A plastic label wraps around the can.
What is the area of the plastic label?
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Guest
Jan 27, 2021
0
558
1
PLS help
In Angle QRS, QR=31.9, RS=25.2, and QS=37.6. To the nearest tenth, what is the measure of angle R?
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Guest
Jan 27, 2021
0
454
4
help with algebra
If $s-x=3$ and $s^{2} + x^{2} = 29$, what is the value of sx?
catmg
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Guest
Jan 27, 2021
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