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Post New Question
All Questions
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234927 Questions
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313
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probability question
Please just post one question at a time.
Guest
Feb 3, 2021
0
538
1
Please help
In isosceles right triangle $ABC$, shown here, $AC=BC$. Point $X$ is on side $BC$ such that $CX=6$ and $XB=12$, and $Y$ is on side $AB$ such that $\overline{XY}\perp\overline{AB}$. What is the ratio of the area of triangle $BXY$ to the area of triangle
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asinus
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Guest
Feb 3, 2021
0
766
1
Pythagorean triples
The numbers $20$, $99$, and $101$ form a Pythagorean triple. A right triangle has heights $x$, $\dfrac{20}{101}$, and $\dfrac{99}{101},$ where $x$ is the shortest height. What is $x?$
I know that the first sentence about the Pythagorean
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Guest
Feb 3, 2021
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523
2
Pythagorean Theorem, 3 triangles and 1 rectangle.
In rectangle $ABCD$, shown here, $\overline{CE}$ is perpendicular to $\overline{BD}$. If $BC = \sqrt 3$ and $DC = 3$, what is $CE$?
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Guest
Feb 3, 2021
+1
516
1
+130
a domain question
Let f(x)= 2 / sqrt(x). What is the domain of f? Express your answer with interval notation.
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mintjellyxd
Feb 3, 2021
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500
4
am i doing this right
If $h(x)$ is a function whose domain is $[-8,8]$, and $g(x)=h\left(\frac x2\right)$, then the domain of $g(x)$ is an interval of what width?
So I set $h(x) = \sqrt{64-x^2}$ then $g(x) = \sqrt{64-(x/2)^2}$
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Guest
Feb 3, 2021
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500
1
What is the answer pls
this is hard
In triangle NOP, the measure of angle P = 90 degees. The measure of angle O is 37 degrees and NP = 72 feet. Find the length of OP.
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Alan
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Guest
Feb 3, 2021
0
430
2
how to solve this
The population of bears in a certain area decreases by 3.5% each year. The population is currently 459. What is the estimated population in 15 years .
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Guest
Feb 3, 2021
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647
1
Translate the following phrase into an algebraic expression using the variable w. Do not simplify.
Translate the following phrase into an algebraic expression using the variable w. Do not simplify.
the perimeter of a rectangle if the width is w centimeters and the length is 2cm2cm less than twice the width
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Guest
Feb 3, 2021
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288
0
help with trapezoid
In trapezoid ABCD with legs AB and CD, diagonals BD ∩ AC =M so that BM: MD=1:4. Find AMD, CMD, and ACD if the area of ABM =8 in
A ACD = _in^2
A ADM = _in^2
A CMD= _in^2
Guest
Feb 3, 2021
0
658
2
+86
I NEEED HELP ASAP
A mouse enters a maze, represented below, at its entrance at the top, and travels consistently downward toward the exit point shown at the bottom, taking no paths upwards or sideways.
How many paths are possible for the mouse to take? Justify your
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JoLink
Feb 3, 2021
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277
0
solve by graphing
i really need help
Guest
Feb 3, 2021
0
374
1
It’s finding missing angles I have to figure out “x”
I can’t solve it. HELPPPP
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Guest
Feb 3, 2021
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410
1
interest rates
Viola took out a $8,470 Stafford Loan at the beginning of her four-year college career. The loan has a duration of ten years and an interest rate of 8.5%, compounded monthly. How much more will Viola's monthly payment be if the loan is subsidized. Round
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Guest
Feb 3, 2021
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398
1
I need help
I'm doing my first homework from my math 11 foundations class and need help with 2 questions
1. What is the difference between 6^2 and 3^3
2. What is the sum of the first two positive even numbers
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Guest
Feb 3, 2021
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315
0
diffcal
A corner lot has the form of a right triangle; it has perpendicular sides measuring 60 m and 80 m,
respectively. It is required to construct the largest rectangular building with sides parallel to the street.
What is the largest area of the building?
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Guest
Feb 3, 2021
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285
0
help plz
Two motorcyclists start at the same point and travel in opposite directions. One travels 10 mphfaster than the other. In 2 hours they are 224 miles apart. How fast is each traveling?
Guest
Feb 3, 2021
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261
0
What is the length of GR?
What is the length of GR?
GH:HR:GR is 5:5:6
Guest
Feb 3, 2021
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386
1
Help Me Please
Find the value of $x$ if $x$ is positive and $x\cdot\lfloor x\rfloor=70$. Express your answer as a decimal.
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Guest
Feb 3, 2021
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395
1
help with algebra
Suppose 5^x = 3. find 5^(2x) + 3.
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Guest
Feb 3, 2021
0
496
1
quadratic
There exist constants a, h, and k such that
3x^2 + 12x + 4 - 2x^2 + 11x - 7 = a(x - h)^2 + k
for all real numbers Enter the ordered triple (a,h,k).
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Guest
Feb 3, 2021
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487
1
counting question
How many isosceles triangles with whole-number length sides have a perimeter of 28 units?
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Guest
Feb 3, 2021
0
442
1
+195
HELPHELPHELPHELP
Two numbers are independently selected from the set of positive integers less than or equal to 5. What is the probability that the sum of the two numbers is less than their product? Express your answer as a common fraction.
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QuestionMachine
Feb 3, 2021
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406
2
Pls help. Really urgent
The roots of are a and b. Compute
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Guest
Feb 3, 2021
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425
3
plz help thxx
In how many ways can we choose one number from the set {1,2, 3}, one number from the set {4,5,6}, and one number from the set {7, 8, 9} such that the three could be the sides of a nondegenerate triangle?
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Guest
Feb 3, 2021
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