All Questions ⁺⁰237779 Questions

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124

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+1662

help with 3d geo

In the three-dimensional figure shown, all edges meet at right angles. The surface area of the figure is $164 \text{ in}^{2}$ and the volume is $140\text{ in}^{3}.$ What is the value of $x,$ in inches? Express your answer as a decimal to the nearest hundredth. read more ..

wiseowl Aug 27, 2023

0

98

1

+16

Help

3 kg of sugar and 1/2 kg of flour cost $9.40. 6 kg of sugar and 2 kg of flour cost $20.20. Find the cost of 1 kg of flour.

jakeviamcknight24 Aug 27, 2023

0

115

1

+1932

help with coordinates plz

Triangle $ABC$ has vertices $A(2, 3),$ $B(1, -8)$ and $C(-3, 2).$ The line containing the altitude through $A$ intersects the point $(0, y).$ What is the value of $y$?

tomtom Aug 27, 2023

0

110

1

+1932

help plz

Help I don't know how to graph circles
The equation of a circle in the coordinate plane can be written as $Ax^2 + 2y^2 + Bx + Cy = 50.$ The center of the circle is at $(-5,2)$. Let $r$ be the radius of the circle. Find $A+B+C read more ..

tomtom Aug 27, 2023

0

110

1

+1932

help circles

Help I'm really stuck on this
Find the area of the region enclosed by the graph of the equation $x^2-14x+3y+70=15+9y-y^2$ that lies below the line $y=x-3$.

tomtom Aug 27, 2023

+2

107

2

+1307

System of equation help :\

Phoenix hiked the Rocky Path Trail last week. It took four days to complete the trip. The first two days she hiked a total of 26 miles. The second and third days she averaged 12 miles per day. The last two days she hiked a total of miles. The read more ..

dolphinia Aug 27, 2023

Aug 26, 2023

-1

86

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+1348

quadratic

Find the product of all positive integer values of $c$ such that the quadratic equation $3x^2+7x+c=15x-10$ has two real roots.

sandwich Aug 26, 2023

-1

117

1

+1348

quadratic

Find the non-zero value of $a$ such that the quadratic equation $ax^2+8x+4=6x-40$ has only one solution.

sandwich Aug 26, 2023

0

81

3

+14

In cyclic quadrilateral PQRS,

In cyclic quadrilateral PQRS,

Find the largest angle in quadrilateral PQRS, in degrees.

CPhill ●●●

samsungtawe Aug 26, 2023

-2

1

53

1

+818

coordinates

The point $(x,y)$ in the coordinate has a distance of $6$ units from the $x$-axis, a distance of $15$ units from the point $(5,7)$, and a distance of $\sqrt{n}$ from the origin. If both $x$ and $y$ are negative, what is $n$?

maximum Aug 26, 2023

-2

72

1

+818

help quadratic

There is exactly one value of $x$ for which the distance from $(5,6)$ to $(3x-1,ax+5)$ is $4$. If $a \neq 0,$ what is $a$?

maximum Aug 26, 2023

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127

1

help

In trapezoid ABCD segments AB and CD are parallel. Point P is the intersection of diagonals AC and BD. The area of APAB is 16 square units, and the area of ▲PCD is 25 square units. What is the area of trapezoid ABCD?

Guest Aug 26, 2023

0

121

1

math problem

Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job $8$ days earlier. If the job needs to completed $28$ days earlier, how many additional workers should be hired?

Guest Aug 26, 2023

0

130

1

Help

a nonagon has angles that measure, 150, 125, 130, 160, 140,140,150,110 what is the missing angle

Guest Aug 26, 2023

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127

0

help

GEOMETRY Two rectangles have different dimensions. Each rectangle has a perimeter of 7x+5 inches. Choose the diagrams that represent possible dimensions of the rectangles.
A rectangle with the length labeled left-parenthesis read more ..

Guest Aug 26, 2023

0

113

2

calculus problem

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 26, 2023

-2

94

1

+818

quadratic

Find the non-zero value of $c$ for which there is exactly one positive value of $b$ for which there is one solution to the equation $x^2 + (b + 4c)x + c^2 = 0$.

maximum Aug 26, 2023

0

113

1

Positive integers

If x, y, and z are positive integers such that 6xyz + 30xy + 18xz + 12yz + 10x + 17y + 5z =481, find x + y + z.

Guest Aug 26, 2023

-1

87

1

+805

plz help

I keep trying this problem but i'm not getting anywhere
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? read more ..

bingboy Aug 26, 2023

-1

109

1

+805

help hard geometry

Plz help with this question
Rose has a spherical plum of radius $2$ and a spherical watermelon of radius $8$. She builds a glass sphere around the two fruits to contain them, making the sphere as small as possible. When read more ..

bingboy Aug 26, 2023

+1

27

2

+805

problem on spheres

A sphere of radius $4$ inches is inscribed in a cone with a base of radius $8$ inches. In inches, what is the height of the cone? Express your answer as a decimal to the nearest tenth. read more ..

bingboy Aug 26, 2023

Aug 25, 2023

+2

106

2

+1307

Piecewise Function

Let
If means the function is nested times (for example, ), what is the smallest value of greater than 1 that satisfies ?

dolphinia Aug 25, 2023

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113

1

help

A necklace chain costs $15. Beads cost $2.75 each. You spend a total of $28.75 on a necklace and beads before tax. Type an equation that models this situation (use x as the variable) an

Guest Aug 25, 2023

0

112

2

help

Four copies of the triangle shown below are joined together to form a parallelogram. (The triangles cannot overlap, and there cannot be any gaps.) What is the largest possible perimeter of the parallelogram? side lengths are 5 12 13

Guest Aug 25, 2023

0

69

3

+8

Question about finding primes

Hello!
I have been wondering about this for a long time: Is there a quick way to find out if a number is prime? For example, a number like 727813 would require large amounts of time to figure out if its prime (using the normal way of read more ..

Snapdragon Aug 25, 2023

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