All Questions ⁺⁰236159 Questions

-2

63

1

+816

numbers

A rotcaf is the number that results from adding a number and the greatest factor of the number that is less than the number. For example, the rotcaf of 9 is 9 + 3, or 12. What is the sum of the rotcafs of all the numbers between 1 and read more ..

maximum Sep 23, 2023

Sep 22, 2023

-2

71

0

+816

coordinate question

A rectangle with vertices A(0,0), B(5,0), C(5,3) and D(0,3) is graphed in a coordinate plane. The rectangular region determined by those points is rotated $360^\circ$ about the line $y=-2$, forming a geometric solid. The rectangular region is then rotated read more ..

maximum Sep 22, 2023

-2

70

1

+816

help plz

In the diagram, the four points have coordinates $A(0,1)$, $B(1,3)$, $C(5,2)$, and $D(4.5,0)$. What is the area of quadrilateral $ABCD$? read more ..

maximum Sep 22, 2023

-2

78

0

+816

help with coordinates

Determine the coordinates of the point $P$ on the line $y=-x+6$ such that $P$ is equidistant from the points $A(10,-12)$ and $O(2,8)$ (that is, so that $PA=PO$). Express your answer as an ordered pair $(a,b)$.

maximum Sep 22, 2023

0

64

4

+660

Help is Needed!

Syd chooses two different primes, both of which are greater than 10, and multiplies them. The resulting product is less than 400. How many different products could Syd have ended up with?

Keihaku Sep 22, 2023

Sep 21, 2023

0

68

0

+20

If f(x)=3/(x-3) then f^-1(x)=

If f(x)=3/(x-3) then f^-1(x)=
A. (x-3)/3
B. (x+3)/x
C. 3/(x+3) read more ..

ouroboros Sep 21, 2023

-2

79

0

+816

help with inequality

Find all $x$ that satisfy the inequality $(2x+10)(x+3)<(3x+1)(x+6)$. Express your answer in interval notation.

maximum Sep 21, 2023

-2

41

1

+816

help plz

What is the greatest integer $n$ such that $n^2 - 11n +24 \leq 17n - 8$?

maximum Sep 21, 2023

-2

45

0

+816

inequality

Find the smallest integer that satisfies the inequality: (x - 5)(x + 5)(x - 3) > 0.

maximum Sep 21, 2023

0

62

0

+4

derivative

what is the derivative of the function f(x) = (3x^2 + 2√x) * e^x - ln(x).

jacobmartin111 Sep 21, 2023

Sep 20, 2023

0

37

3

+82

BASES

If 32p+23k =3410, and 32p-13k= 710
WHat is P and K

xxyoohoo Sep 20, 2023

0

58

1

+4

A supermarket display consists of boxes of cereal.

The bottom row has 73 boxes. Each row has eight fewer boxes than the row below it. The display has seven rows.
(a) Write and use a function to determine how many boxes are in the top row. Show your work.
(b) Use the appropriate formula to read more ..

Didnudne Sep 20, 2023

Sep 19, 2023

0

44

2

+4

What is 3 meters divided by 8 please?

What is 3 meters divided by 8 please?

Teresspotty Sep 19, 2023

+2

59

2

+28

Please help, I tried

Determine the sum of all real numbers satisfying
I tried solving and tried the answers: 5, 2, 4, 3, 9 But they were all wrong. Please help!

WaterPheonix Sep 19, 2023

Sep 18, 2023

-2

78

1

+816

help me

A circular table is pushed into the corner of a square room so that a point $P$ on the edge of the table is $4''$ from one wall and $5''$ from the other wall as shown. Find the radius of the table in inches. read more ..

maximum Sep 18, 2023

-3

69

1

+816

help with geo

In the diagram all the triangles are right triangles and all the segments $AB$, $BC$, $CD$, $DE$, and $EF$ have length 3. How many units are in the length of segment $AE$? read more ..

maximum Sep 18, 2023

0

67

3

+64

Question about integers

(I tried plugging in different integers but that would take too long)

Chandalier Sep 18, 2023

0

80

2

+64

Hexagons

(Please show your work in a simple way)

Chandalier Sep 18, 2023

Sep 17, 2023

-1

73

1

+1348

help sequence

The sequence 24, $a$, $b$, $c$, $d$ 60 is arithmetic. What is the value of $a+b+c+d$?

sandwich Sep 17, 2023

-1

51

1

+1348

arithmetic sequence

How many integers belong to the arithmetic sequence 13, 20, 27, 34, $\dots$, 97?

sandwich Sep 17, 2023

-1

58

1

+1348

help plz

Let $a_1, a_2, a_3,\dots$ be an increasing arithmetic sequence of integers. If $a_4a_5 a_6 = 6$, what is $a_3a_7$?

sandwich Sep 17, 2023

-1

56

1

+1348

sequences

What is the 2009th term in the arithmetic sequence whose first four terms are 2, 10, 18, 26?

sandwich Sep 17, 2023

+5

57

4

+157

Base Number Arithmetic?! Please help!!

Find (in base 10), given the following addition problem:
(Should be a line horizontal line between and , but I don't really know read more ..

BlackjackEd Sep 17, 2023

0

65

1

+22

Modular Arithmetic Systems

Suppose that N can be written in base 6 as 5313406 and in base 8 as 1241548. In base 10, what is the remainder when N is divided by 210?

LandofLe Sep 17, 2023

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