All Questions ⁺⁰237734 Questions

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121

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Pls explain. Thx u very much!

The graph of y =(3x2 - k) has a normal with the equation 6y + 2x = -1 at point A.
(i) Show that k = 4.
The tangent to the curve at point A cuts the y-axis at B.
(ii) Find the coordinates of B. read more ..

Guest Sep 26, 2023

+1

99

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+349

Please help

A cylinder with a 4cm diameter is 4 cm tall. What is the length of the shortest path from the base to a point at the top of a cylinder on the opposite side?

hipie Sep 26, 2023

Sep 25, 2023

-1

77

1

+1348

arithmetic sequence

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 25, 2023

-1

83

1

+1348

function

For what values of x is the expression log(x^2 - 4x- 5 + 2x)/sqrt(x - 1) defined? Express your answer in interval notation.

sandwich Sep 25, 2023

+1

76

3

+39

inverses

Which of the following functions have inverses? Note that the domain of each function is also given. A. $a(x) = \sqrt{2 - x},$ $x \in (-\infty,2].$ B. $b(x) = x^3 - x,$ $x \in \mathbb{R}.$ C. $c(x) = x + \frac{1}{x},$ $x \in (0,\infty).$ D. $d(x) = 2x^2 read more ..

invalid Sep 25, 2023

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120

1

+11

HELP PLZZZ!!!!!

1. Graph the image of the given triangle after the transformation that has the rule (x, y)→(x−5, y+6).

Ebb16 Sep 25, 2023

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125

0

+11

Unit 2 quiz

1. The dashed triangle is the image of the solid triangle.
The center of dilation is (−4, −4).
What is the scale factor used to create the dilation?
Enter your answer as an integer or decimal in the box. read more ..

Ebb16 Sep 25, 2023

-1

34

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+11

Unit 2 test

The coordinates of the vertices of △RST are R(−3, −1) , S(−1, −1) , and T(−4, −5) .
The coordinates of the vertices of △R′S′T′ are R′(1, −2) , S′(1, 0) , read more ..

Ebb16 Sep 25, 2023

+1

34

1

+82

HELPPPP!!!

If $x$, $y$, and $z$ are positive integers such that $6xyz+30xy+3xz+8yz+15x+40y+4z=127$, find $x+y+z$.

xxyoohoo Sep 25, 2023

-2

99

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+818

inequality

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

maximum Sep 25, 2023

-2

47

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+818

circle

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 25, 2023

-2

92

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+818

quadrilateral question

In the diagram, $AB\perp BC$ and $BC \perp CD$. $AB = 6'', BC = 4''$, and $CD = 10''$. $E$ is the midpoint of $AD$. How many square inches are in the area of $ABCD$? read more ..

maximum Sep 25, 2023

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121

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+1940

help with quadratic

Find the largest real number $c$ such that $1$ is in the range of $f(x)=x^2-5x+c+x^2-8x$.

tomtom Sep 25, 2023

0

96

3

+1940

plz help

A sphere is inscribed in a cone with height $3$ and base radius $3$. What is the ratio of the volume of the sphere to the volume of the cone?

tomtom Sep 25, 2023

Sep 24, 2023

+2

84

3

+660

Help! Very similar questions have been asked but not this one

In how many ways can 4 balls be placed in 3 boxes if the balls are indistinguishable, and the boxes are distinguishable?
Answer is not 37

Keihaku Sep 24, 2023

+8

85

2

+43

Evaluate the following when a =3, b =1/4 , and c =5:

Evaluate the following when a=3,b=1/4 , and c=5:

Solarblade Sep 24, 2023

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80

6

+660

Binomial help needed

Please Help! I've tried 6 choose 3 and 6 choose 2 and they are wrong. These are the wrong answers I've treid: 18, 20 15, 120, 363.
Six children are each offered a single scoop of any of 3 flavors of ice cream from the Combinatorial read more ..

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Keihaku Sep 24, 2023

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+132

PLEASE HELP ME

The planets in our solar system do not travel in circular paths. Rather, their orbits are elliptical. The Sun is located at a focus of the ellipse.
The perihelion is the point in a planet’s orbit that is closest to the Sun. So, it is the endpoint read more ..

thebestchesscat Sep 24, 2023

0

123

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+132

PLEASE HELP ME

1. Solve the system of equations by forming a matrix equation. State your answer as an ordered pair.
x+2y= -7
-3x-5y+ 23
Thank you for checking this out, please read more ..

thebestchesscat Sep 24, 2023

+1

119

1

+132

PLEASE HELP ME WITH THIS

1. Multiply the matrices.
[-1 2 0] * [2 -3]
3 -2 4 7 -1
-5 -1 6 1 2 read more ..

thebestchesscat Sep 24, 2023

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