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234771 Questions
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561
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I asked this question before and no one is helping please help.Write a system of equations to describe the situation below
@cphill please help Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
A camp counselor for a summer day camp sometimes buys lunch for her campers at a nearby fast food restaurant. On Monday,
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Guest
Jan 26, 2021
+1
432
1
question on functions
Consider 2 functions $f(x)$, $g(x)$ that is defined on the interval $[0, \infty)$ where
\[f(x)=x^3+x^2+x+2\]
\[g(x)=2f^{-1}(x)-1\]
Find the value of $g^{-1}(0)+g^{-1}(3)$.
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Guest
Jan 26, 2021
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391
1
help geometry
\(ABCD\) is a trapezium with \(AB < CD\) and \(AB\) parallel to \(CD\). \(\Gamma\) is a circle inscribed in \(ABCD\), such that \(\Gamma\) is tangent to all four sides. If \(AD = BC = 25 \) and the area of \(ABCD\) is \( 600\), what is the radius of
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Guest
Jan 26, 2021
+1
464
1
please help
There are 360 people in my school. 15 take calculus, physics, and chemistry, and 15 don't take any of them. 180 take calculus. Twice as many students take chemistry as take physics. 85 take both calculus and chemistry, and 75 take both physics and chemistry.
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Guest
Jan 26, 2021
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684
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+205
Help
The main trunk of a tree is in the shape of a cylinder. The distance around its cross-section is 47.1 cm and its height is 0.7 m.
a) What is the radius of the cross-section?
b) What volume of wood is there in the trunk? Show your work.
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parpar1
Jan 26, 2021
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413
1
how to solve
A unit square $ABCD$ is such that $M$ and $N$ are the midpoints of $BC$ and $CD$ respectively. A straight line is drawn from $A$ to $N$ and another from $D$ to $M$. This two lines $AN$ and $DM$ meet at $O$ which is inside square $ABCD$. Find the area of
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Guest
Jan 26, 2021
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581
1
Help Plz
Four distinct integers $a$, $b$, $c$ and $d$ have the property that when added in pairs, the sums 10, 18, 19, 20, 21, and 29 are obtained. What are the four integers in increasing order? (place a comma and then a space between each integer)
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Guest
Jan 26, 2021
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408
1
constant term
What is the constant term in the expansion of $(x+x^{-3/2} )^{10}$?
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Guest
Jan 26, 2021
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579
1
Write a system of equations to describe the situation below
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
An employee at a construction company is ordering interior doors for some new houses that are being built. There are 3 one-story
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Guest
Jan 26, 2021
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366
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Help Needed
Suppose that a2 varies inversely with b3. If when a=7, find the value of b=3 when b=6.
Guest
Jan 26, 2021
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284
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help with graph
In the above graph, x and y are related as $y = Ax^B$, where A and B are constants. Find A+B.
Guest
Jan 26, 2021
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587
2
Help
Given that
compute .
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Guest
Jan 26, 2021
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1668
1
+4
Help
Help please!! Graph f(x)=3sin(1/2x)−5. Use 3.14 for π. Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.
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emilyyz
Jan 26, 2021
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523
2
Write a system of equations
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
One Friday night, two large groups of people called Livingston Taxi Service. The first group requested 1 sedan and 2 minivans, which can seat
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Guest
Jan 26, 2021
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522
1
Pls help with 2 questions!
1. The roots of the quadratic equation $z^2 + az + b = 0$ are $-7 + 2i$ and $-7 - 2i$. What is a+b?
2. Find all pairs $(x,y)$ of real numbers such that $x + y = 10$ and $x^2 + y^2 = 56$.
For
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Guest
Jan 26, 2021
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485
2
+4
Write a system of equations
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
An employee at a party store is assembling balloon bouquets. For a graduation party, he assembled 7 small balloon bouquets and 8 large balloon
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xoxoasmaakar
Jan 26, 2021
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422
2
+4
Need big help
Need help solving this
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ughhhhhhhhhh
Jan 26, 2021
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388
1
Please help
Question: Two diagonals of a parallelogram have lengths 6 and 8. What is the largest possible length of the shortest side of the parallelogram?
I tried 3 and it's incorrect.
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Guest
Jan 26, 2021
+1
362
1
MATH HELP ASAP
According to Kepler's third law of planetary motion, the mean distance D, in millions of miles, from a planet in our solar system to the sun is related to the time P, in years, that it takes for the planet to complete a revolution around the sun,
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Guest
Jan 26, 2021
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288
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modular arithmetic
What is the smallest integer n, greater than 1, such that 1/n (mod 130) and 1/n (mod 9) are both defined?
Guest
Jan 26, 2021
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355
1
Need Help
How many paths are there from C to D on the grid shown, if every step must be down or to the right?
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Guest
Jan 26, 2021
0
469
1
John needs to catch a train. The train arrives randomly some time between 2:00 and 3:00, waits for 20 minutes, and then
John needs to catch a train. The train arrives randomly some time between 2:00 and 3:00, waits for 20 minutes, and then leaves. If John also arrives randomly between 2:00 and 3:00, what is the probability that the train will be there when John arrives?
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Guest
Jan 26, 2021
+1
432
1
Math help
You receive a raise in your hourly pay from $9.25 per hour to $9.75 per hour. What percent increase in pay does this represent? (Round your answer to two decimal places.)
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Guest
Jan 26, 2021
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