All Questions ⁺⁰237357 Questions

0

90

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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?

Guest Sep 4, 2023

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98

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)?

Guest Sep 4, 2023

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85

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 read more ..

Guest Sep 4, 2023

0

26

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.

QuestionableBean Sep 4, 2023

0

95

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

Guest Sep 4, 2023

0

106

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 read more ..

kendrickotiswalker10 Sep 4, 2023

+1

94

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

34

2

+761

Riddle 45

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

history Sep 4, 2023

+1

39

2

+761

Riddle 44

How many sides does a circle have?

history Sep 4, 2023

0

52

4

+761

Riddle 43

What is the next number in the sequence? 2, 3, 5, 9, 17, _
There are two methods to solve.

history Sep 4, 2023

0

53

1

+761

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

51

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.

Keihaku Sep 4, 2023

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94

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 read more ..

Guest Sep 4, 2023

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98

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

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97

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

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97

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

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98

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

94

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. read more ..

AylaNaseer Sep 4, 2023

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99

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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 read more ..

Guest Sep 4, 2023

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92

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

Guest Sep 4, 2023

0

102

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?

Guest Sep 4, 2023

0

68

2

+122

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 ..

heartSTORM907 Sep 4, 2023

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97

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 read more ..

Guest Sep 4, 2023

0

92

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 ..

Guest Sep 4, 2023

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