All Questions ⁺⁰237826 Questions

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135

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algebra

If $(10 - x)(x - 2) = 11$, then compute $(10 - x)^3 + (x - 2)^3$.

Guest Aug 25, 2023

-1

129

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+1348

roots of quadratic

Let $a$ and $b$ be the roots of the quadratic equation $2x^2 - 7x + 2 = -x^2 + 4x + 9.$ Find $\frac{1}{a-1}+\frac{1}{b-1}.$

sandwich Aug 25, 2023

-1

126

1

+1348

help with algebra

Help quadratic equations are so hard
The quadratic equation $x^2-5x+t =3x$ has only positive integer roots. Find the average of all distinct possible values of $t$.

sandwich Aug 25, 2023

-1

130

1

+1348

i need help with quadratic equations

Find all values of $q$ such that the quadratic equation $qx^2 + (2q - 9)x + (q - 8) = 0$ has two positive real roots.

sandwich Aug 25, 2023

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84

1

+4

PLS HELP!!!

Most archaeologists believe that the ancient Egyptians used very long ramps while building the pyramids. (It's also likely that ancient Egyptians used levers and ramps in combination.) The ramps had to be long because long ramps are shallow, and the stones read more ..

idkmath Aug 25, 2023

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113

1

+789

triangle and parabola

Three points lie on the graph of the parabola $y = x^2$. The three points form an equilateral triangle. One of the vertices is at the vertex of the parabola, and the other two points lie on the line $y = k$. What is the value of $k?$<read more ..

bingboy Aug 25, 2023

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124

1

+789

help plz!

A square is drawn such that one of its sides coincides with the line $y = 7$, and so that the endpoints of this side lie on the parabola $y = 2x^2 + 8x + 4 - 3x + 3$. What is the area of the square?
When x = 0, y = 7. How can read more ..

The3Mathketeers ●

bingboy Aug 25, 2023

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88

3

help pls

Recall that an integer d is said to be a divisor of an integer a if a/d is also an integer. For how many integers a between -200 and -1 inclusive is the product of the divisors of a negative?

Guest Aug 25, 2023

0

128

1

+789

help with quadratic

Find the sum of all integral values of $c$ with $c\le 25$ and $c\ge1$ for which the equation $y=x^2-17x-c$ has two integral roots.

The3Mathketeers ●

bingboy Aug 25, 2023

-1

53

1

+818

worker question

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?

maximum Aug 25, 2023

0

73

1

+1662

help plz

A cone has a volume of $36\pi\text{ cm}^3$ and a height of $3$ cm. A cylinder has a radius equal to one-third the radius of the cone, and a height equal to four times the height of the cone. What is the positive difference between the volume read more ..

wiseowl Aug 25, 2023

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76

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+1662

cones

The surface area of a solid cylinder is found using the formula $SA = 2\pi r^2 + 2\pi rh$. The volume of a cone is found using the formula $V = \frac{1}{3} \pi r^2 h$. Judy has a solid cylinder whose total surface area is numerically equal to the volume read more ..

wiseowl Aug 25, 2023

-2

70

1

+818

rate question

I have tried to solve this problem. Can anyone help?
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 read more ..

maximum Aug 25, 2023

0

135

4

+4

I need help please

Find a linear inequality with the following solution set. Each grid line represents one unit.
https://latex.artofproblemsolving.com/7/7/a/77a25a87994db554299de3984b41b681c2301b6a.png

(Give your answer in read more ..

chillphil Aug 25, 2023

-2

109

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+818

solving an equation

How do you solve this?
Find all values of $a$ such that $\frac{a-3}{\sqrt{a}} = -a \sqrt{a}$.

maximum Aug 25, 2023

-2

89

1

+818

help stuck

Help I'm really stuck here
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. read more ..

maximum Aug 25, 2023

0

84

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+8

Need help!

Select all the correct statements. (For this problem, we assume that an exponential function is of the form $ka^x,$ where $a > 0.$)
(A) If the graph of an exponential function is reflected in the x-axis, then we obtain the graph of another exponential read more ..

Satyr Aug 25, 2023

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143

0

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 read more ..

Guest Aug 25, 2023

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132

0

Implied Interest Rate Calculation for Forgoing Discount and Paying on Day 28 in a 3/5 net 28 Supplier Offer.

If your supplier offers 3/5 net 28, what is the implied interestrate if you choose to forgo the discount and pay on day 28?

Guest Aug 25, 2023

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146

1

why is it important to keep two sides of an equation balance

why is it important to keep two sides of an equation balance

Guest Aug 25, 2023

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79

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Please I Need Desperate Help

In triangle $ABC,$ the angle bisector of $\angle BAC$ meets $\overline{BC}$ at $D.$ If $\angle BAC = 60^\circ,$ $\angle ABC = 45^\circ,$ and $AD = 24,$ then find the area of triangle $ABC.$ [asy] unitsize(3 cm); pair A,B,C,T,X,Y; A = (0,0); C = rotate(60)*(1,0);read more ..

Guest Aug 25, 2023

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141

1

python

Write a Python program that makes a turtle draw the shape below, which consists of 8 squares in a row:

Guest Aug 25, 2023

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