All Questions

415

algebra

what is 2x2+6x

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Guest Dec 1, 2020

614

what adds to be 7 but multiply to be -8

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Guest Dec 1, 2020

639

Find the set of values of k

Find the set of values of k for which this equation has two real roots.
9x^2 + 2kx + k = 0

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Guest Dec 1, 2020

429

HELP

before her trip to hong kong oga exchange C$500 for HK$3287. About how many Hong Kong dollars did Oga receive for each Canadian dollar?

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Guest Dec 1, 2020

416

,,,,,

How many times does 3434 go into 33?

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Guest Dec 1, 2020

624

A frustum of a right circular cone

A frustum of a right circular cone is formed by cutting a small cone off of the top of a larger cone. If a particular frustum has an altitude of 24 centimeters, the area of its lower base is 100\pi sq cm and the area of its upper base is 25\pi sq read more ..

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Guest Dec 1, 2020

529

value of r for the data set. Round to the nearest thousandth (3 decimal places).

value of r for the data set. Round to the nearest thousandth (3 decimal places).

Electricity use per person (kWh) Adult literacy rate (%)
Albania read more ..

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Guest Dec 1, 2020

421

parabola

Suppose that we have an equation y = ax^2 + bx + c whose graph is a parabola with vertex (3,4), vertical axis of symmetry, and contains the point (1,0). What is (a,b,c)?

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Guest Dec 1, 2020

676

+466

Find the value of the sum

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dududsu2 Dec 1, 2020

791

quadratic

The graph of the equation y=ax^2+bx-18 is completely below the x axis. If , a^2=49 what is the largest possible integral value of b?

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Guest Dec 1, 2020

686

+466

How many positive integers, not exceeding 100, are multiples of 2 or 3 but not 4?

help please

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dududsu2 Dec 1, 2020

490

What is the product of all the coordinates

What is the product of all the coordinates of all the points of intersection of the two circles defined by x^2-2x+y^2-10y+20=0 and x^2-8x+y^2-10y+35=0?

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Guest Dec 1, 2020

559

help with geometry

Let ABCD be a parallelogram. Extend BC past B to F, and let E be the intersection of AB and DF. If the areas of triangles BEF and ADE are 4 and 9, respectively, find the area of parallelogram .
read more ..

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Guest Dec 1, 2020

548

alg 1

For two real values of n, the equation 4x^2+nx+49 has exactly one solution in x. What is the positive value of n?

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Guest Dec 1, 2020

734

Please answer

The highest point on Earth is Mount Everest with a height of 8,848 meters. The lowest point on Earth is the Mariana Trench, with a height of -11034 meters. A height of 0 corresponds to sea level (the height of the world’s oceans). Give an expression involving read more ..

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Guest Dec 1, 2020

-1

726

+466

Let $F$ be the first digit and $L$ be the last digit of the expanded integer form of $2007^3$. What is the value of $F + L$?

help please

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dududsu2 Dec 1, 2020

403

simlification question

how to simplify (sqrt(7-4*sqrt(3))/4+(sqrt(3)+2)/4 without calculator?

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Guest Dec 1, 2020

-2

806

+466

The difference of the roots of the quadratic equation $x^2 + bx + c = 0$ is $|b - 2c|$. If $c \neq 0$, then find $c$ in terms of $b$.

help please

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dududsu2 Dec 1, 2020

504

+466

Find the sum to all x

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dududsu2 Dec 1, 2020

913

+466

If $a$, $b$, and $c$ are positive integers satisfying $ab+c = bc+a = ac+b = 41$, what is the value of $a+b+c$?

help please

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dududsu2 Dec 1, 2020

595

Melody and Cphill you have this guests respect

Find the minimum value of \[2x^2 + 2xy + y^2 - 2x + 2y + 4\]over all real numbers $x$ and $y$.

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Guest Dec 1, 2020

-10

1493

+118739

I have been wondering about this one

I have been wondering about this one

https://web2.0calc.com/questions/help-meh-pls_1
read more ..

Tiggsy ●●●●●●●●

Melody Dec 1, 2020

489

Parametric Equations

What are the y-intercepts of the graph of the parametric equations

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Guest Dec 1, 2020

497

Trig Question

In right triangle ABC, we have ∠A = 90◦ , tan B = 2, and BC = 5. What is the length of AB?

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Guest Dec 1, 2020

All Questions ⁺⁰238211 Questions

algebra

what adds to be 7 but multiply to be -8

Find the set of values of k

HELP

,,,,,

A frustum of a right circular cone

value of r for the data set. Round to the nearest thousandth (3 decimal places).

parabola

Find the value of the sum

quadratic

How many positive integers, not exceeding 100, are multiples of 2 or 3 but not 4?

What is the product of all the coordinates

help with geometry

alg 1

Please answer

Let $F$ be the first digit and $L$ be the last digit of the expanded integer form of $2007^3$. What is the value of $F + L$?

simlification question

The difference of the roots of the quadratic equation $x^2 + bx + c = 0$ is $|b - 2c|$. If $c \neq 0$, then find $c$ in terms of $b$.

Find the sum to all x

If $a$, $b$, and $c$ are positive integers satisfying $ab+c = bc+a = ac+b = 41$, what is the value of $a+b+c$?

Melody and Cphill you have this guests respect

I have been wondering about this one

Parametric Equations

Trig Question

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