All Questions ⁺⁰231295 Questions

Aug 27, 2023

0

39

0

help counting

Find the number of lattice points that lie on the graph of $x^2-y^2=17-2xy$. (A lattice point is a point in the coordinate plane where both coordinates are integers.)

Guest Aug 27, 2023

0

42

2

math problem

Ruth has a beaker containing a solution of 800 mL of acid and 200 mL of water. She thinks the solution is a little strong, so she drains 150 mL from the beaker, adds 150 mL of water, and stirs the solution. Ruth thinks the solution is still too strong, read more ..

Guest Aug 27, 2023

0

39

0

+1347

need help with area

The complete floor plan of a vacation cottage is shown. Both bedrooms have the same dimensions. What is the total area of the cottage, in square feet? read more ..

sandwich Aug 27, 2023

0

33

0

+1347

parallelogram

In the figure shown, adjacent sides of the parallelogram are $4$ cm and $6$ cm. The indicated angle is $25^\circ$. What is the number of square centimeters in the area of the parallelogram? read more ..

sandwich Aug 27, 2023

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39

0

help with algebra

Three runners, Dirk, Edith, and Foley all start at the same time for a $24$ km race, and each of them runs at a constant speed. When Dirk finishes the race, Edith is $5$ km behind, and Foley is $6$ km behind. When Edith finishes the race, how far read more ..

Guest Aug 27, 2023

-1

40

1

+25

help

Determine the value of ? in the figure below.

icecreamchocolate Aug 27, 2023

-1

35

1

+624

Domain of function

Find the domain of the function $f(x) = \frac{\sqrt{x-2}}{\sqrt{5}} + \sqrt{(x - 1)(x + 2)(x + 4)}.$

bingboy Aug 27, 2023

-1

42

1

+624

domain

Find the domain of the function $f(x) = \sqrt{6-x-x^2-2x^2}$.

bingboy Aug 27, 2023

0

24

1

+25

help please thanks

Abiana wants to get to the opposite corner of a rectangular park that is $3/4$ miles wide and $1$ mile long. If she rides her scooter, it only takes her 8 minutes to travel 1 mile, but she has to go around the park. If she walks, it takes her 20 minutes read more ..

icecreamchocolate Aug 27, 2023

-1

37

1

+624

help with range plz

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

bingboy Aug 27, 2023

+2

17

2

+1306

With exponents

If we write in the form , where a and b are positive integers, and a is as small as possible, then what is ?

dolphinia Aug 27, 2023

-1

14

2

+819

discriminant question

I choose a random integer $n$ between $1$ and $10$ inclusive. What is the probability that for the $n$ I chose, there exist no real solutions to the equation $x^2 - 8x + n = 0$? Express your answer as a common fraction.

maximum Aug 27, 2023

-1

26

1

+819

help quadratic

The roots of the quadratic equation $3x^2+5x+k = 0$ are $\frac{-5\pm i\sqrt{131}}{6}$. What is $k$?

maximum Aug 27, 2023

-1

17

1

+819

quadratic equations

The roots of the quadratic equation $x(x-3)=1+8x-5$ may be expressed in the form $\frac{a+\sqrt{b}}{c}$ and $\frac{a-\sqrt{b}}{c}$, where $a$, $b$, and $c$ are prime numbers. Find $abc$.

maximum Aug 27, 2023

0

37

0

function

The function $f(x),$ defined for $x > 0,$ is positive, differentiable, and decreasing. The function $f(x)$ has the following property: Let $P$ be a point on the graph, and draw the tangent to the graph at $P.$ Let the tangent meet the $x$-axis and $y$-axis read more ..

Guest Aug 27, 2023

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35

1

HALP

A map of the town that Annie, Barbara, and Charlie live in can be represented by the Cartesian plane. Annie is located at and Barbara is located at . They agree to meet at the closest point that is equidistant from their current locations read more ..

Guest Aug 27, 2023

0

30

0

Help me…

You are a newsvendor selling San Pedro Times every morning. Before you get to work, you go to the printer and buy the day’s paper for $0.45 a copy. You sell a copy of San Pedro Times for $1.40. Daily demand is distributed normally with mean = 340 and standard read more ..

Guest Aug 27, 2023

0

36

2

Thks

Alice, Susan and Terry baked some cookies in the ratio of 5:9:11. After each of them gave 12 cookies to their mother, the ratio became 1:3:4. How many cookies did Terry bake?

Guest Aug 27, 2023

0

33

1

Thks

Sam had 90 more stickers than Jim. After Sam gave 140 stickers to his brother and 30 stickers to Jim, Sam had 1/2 as many stickers as Jim. How many stickers did Sam have at first?

Guest Aug 27, 2023

0

29

1

+1679

sums

How many unique sums can be formed by adding any three different numbers from the set $\{4,6,8,10,12,14,16\}\,?$

wiseowl Aug 27, 2023

0

42

0

+1679

help me with geometry

Consider the equilateral triangle $ABC$ with sides of length $8\sqrt{3}$ cm. A point in the interior of $ABC$ is said to be "special" if it is a distance of $3$ cm from one side of the triangle and a distance of $9$ cm from another side. Consider the convex read more ..

wiseowl Aug 27, 2023

0

26

1

+6

Help

The drawing below represents a deck that the Joneses are building. In the drawing, one-half inch represents three feet. What are the actual dimensions of the deck?

bharrison8627 Aug 27, 2023

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