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All Questions
^{+0}
232378 Questions
0
37
1
asap
We are looking to factor $23x^2 + kx - 5.$ Some values of k allow us to factor it as a product of linear binomials with integer coefficients. What are all such values of k?
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Guest
Sep 4, 2023
0
46
1
help plz
If I give my brother 5 dollars, then we will have the same amount of money. If instead he gives me 25 dollars, then I'll have twice as much money as he will have. How much money does my brother currently have (in dollars)?
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Guest
Sep 4, 2023
0
34
1
Plz respond fast
Let $c$ be a real number, and consider the system of quadratic equations \begin{align*} y &=6x^2 - 9x + c, \\ y &= 5x^2 - 3x. \end{align*}For which values of $c$ does this system have: (a) Exactly one real solution $(x,y)?$ (b) More than one real
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Guest
Sep 4, 2023
0
15
2
+106
How to find the focus and directrix?
I found the equation for a parabola y= 1/4x^2 + x + 2, but I don't know how to find the focus or directrix. I looked around online and can't find anything either. Could you help?
Thank you.
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QuestionableBean
Sep 4, 2023
0
36
1
hard
For a positive integer let
Compute the product
(A)1/55 (B)1/110 (C)1/99 (D)2/99 (E) 1/100
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Guest
Sep 4, 2023
0
48
1
+16
Dean and Patrick brought some money for shopping. The ratio of the amount of money
Dean and Patrick brought some money for shopping. The ratio of the amount of money Dean had to the amount of amount Patrick had was 3:8. The ratio of the amount of money Dean spent to the amount of money Patrick spent was 3:5. Dean spent 3/4 of
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kendrickotiswalker10
Sep 4, 2023
+1
40
0
+12
how to restrict the original function so that the inverse is a function
For instance, I am trying to restrict y=(x+5)^3 -2 so that the inverse is a function Im not really sure how to do this at all so if you could help me learn how to do it, that would be great!
Fortnite
Sep 4, 2023
0
11
2
+757
Riddle 45
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
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history
Sep 4, 2023
+1
17
2
+757
Riddle 44
How many sides does a circle have?
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history
Sep 4, 2023
0
16
4
+757
Riddle 43
What is the next number in the sequence? 2, 3, 5, 9, 17, _
There are two methods to solve.
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history
Sep 4, 2023
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21
0
+757
Riddle 42
Take eight small sticks, four of which are half the length of the other four. How can you make three equal squares out of the sticks?
history
Sep 4, 2023
0
18
3
+660
Factorial Help
Find if , where .
P.S. The * represent multiplication dots, but I'm not sure what the *** means, they just put three multiplication dots there.
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Keihaku
Sep 4, 2023
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38
0
percent
In a store window, there was a box of berries having a total weight of 200 kg. The berries were 99% water, by weight. After two days in the sun, the water content of the berries was only 90%, by weight. What was the total weight of
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Guest
Sep 4, 2023
0
45
0
+660
Easy Venn Diagram
https://web2.0calc.com/questions/venn-diagram_11
This problem was already asked, however the answer to the problem was a link to a similar problem which had different numbers. Please help if you can!
Keihaku
Sep 4, 2023
0
42
0
Help
Construct an arc, BC, with a center at point A, a radius of 4 cm, and a measure of 45 degrees.
Guest
Sep 4, 2023
0
45
0
help algebra
Let $a$ and $b$ be the roots of the quadratic equation $2x^2 - 7x + 2 = -x^2 + 4x + 9.$ Find $\frac{1}{a-1}+\frac{1}{b-1}.$
Guest
Sep 4, 2023
0
42
0
need help
Suppose x-3 and y+3 are multiples of 7. What is the smallest positive integer, n, for which x^3+x^2*y^2+x+n is a multiple of 7?
Guest
Sep 4, 2023
0
41
0
+4
Calculating the Calorie Burn on Rowing Machine
Hello, this is Ayla and these days I am concerened about my fitness goals. I want to burn 300 calories per day. I could find one web that dispalys a formula to calculate calories burned per stroke and time required to burn calories per minute.
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AylaNaseer
Sep 4, 2023
0
40
0
Math
A baker sold cupcakes at $3 each and pies at $2 each. Kaili bought some cupcakes and Wei Ming bought some pies from the baker. Wei Ming spent $ less than Kaili. The number of pies Wei Ming bought was 5 more than the number of cupcakes Kaili bought. How
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Guest
Sep 4, 2023
0
35
1
oblique spherical triangle
Solve the oblique spherical triangle given the following parts: a = 128 deg* 25' b = 84 deg * 40' c = 113 deg * 36' Find: A, B, C
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Guest
Sep 4, 2023
0
43
2
help pls but take ur time!!
How many positive integers less than 2000 are of the form x^n for some positive integer x and n≥ 2?
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Guest
Sep 4, 2023
0
32
2
+124
I've gotten this wrong so many times i need help desperately
hi there!!
i'm currently struggling with this problem and have attempted it like 4 times already and still don't get it. i have no idea where i'm going wrong and i would love love love it if someone could just walk me through the steps bc every time
read more ..
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heartSTORM907
Sep 4, 2023
0
41
0
proportion
Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 15 meters tall and meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons
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Guest
Sep 4, 2023
0
38
2
Help please
A box contains some red, yellow and blue candies, 40% of a box of candies are red and the rest of the candies are yellow and blue in the ratio 3:2 respectively. If there are 18 more red candies than yellow candies, how many candies are there in the box
read more ..
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Guest
Sep 4, 2023
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