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Post New Question
All Questions
+0
232716 Questions
+1
338
1
+501
Quadratic Formula/Discriminant
If the roots of the quadratic equation $\frac12x^2+99x+c=0$ are $x=-99+\sqrt{8001}$ and $x=-99-\sqrt{8001}$, then what is the value of $c$?
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ellapow
Feb 21, 2021
0
402
1
+147
Advanced System of Equations
Jerry is presently twice as old as his brother and six years older than his sister. How many years from now will Jerry's age be $\frac{2}{3}$ of the combined ages of his brother and sister at that time?
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powclaire
Feb 21, 2021
-1
427
1
+205
Rationalizing Denominators
Simplify $\frac{1+\sqrt{2}}{2+\sqrt{3}}$. Your solution can be converted to the form $A(1+\sqrt{B})-(\sqrt{C}+\sqrt{D})$, where A, B, C, and D are positive integers. What is $A+B+C+D$?
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oliviapow06
Feb 21, 2021
0
469
1
word problem
A rectangular tennis court is 78 ft long and 36 ft wide and is surrounded by auniform pathway. If the total area of the tennis court along with the pathway measures 3280 ft, find the width of the pathway.
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Guest
Feb 21, 2021
0
556
1
Luisa found great deals on the target dollar spot.
Luisa found great deals on the target dollar spot. She bought 35 items and spent a total of 100 dollars on earbuds (2 dollars each) and fuzzysocks (3 dollars each). How many earbuds did she buy? how many fuzzy socks did she buy?
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Guest
Feb 21, 2021
0
393
1
coordinate points
Line S goes through the points (-3, 1) and (2,6). Line T goes through the points (0, 3) and (-2, 7). What is the point of intersection of line Sand line T.
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Guest
Feb 21, 2021
0
346
0
+18
Polar Equation Table Help
Consider the polar equation r=3sin(2theta)
Complete the tables for the given values of theta. Round to the nearest tenth as needed.
read more ..
cheetahhh
Feb 21, 2021
0
452
1
two numbers
The difference between two numbers is 36. Four times the smaller is equal to 3 more than the larger. What are the numbers?
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Guest
Feb 21, 2021
0
495
1
help with algebra
at the snack shack, students attending the football game can buy sodas for 1 dollar and slices of pizza for 3 dollars. At fridays game, the snack shack made 250 dollars by selling a total of 180 items. How many sodas were sold? How many pizzas were sold?
read more ..
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Guest
Feb 21, 2021
0
491
1
Elaine drives her car 180 miles
Elaine drives her car 180 miles and has an average of a certain speed. If the average speed had been 5mph more, she could have traveled 200 miles in the same length of time. What was her average speed?
ElectricPavlov
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Guest
Feb 21, 2021
0
428
1
+18
Vector Transformation Help
V= <-9,2> is transformed using the transformation matrix A= [ -4 1 ]
read more ..
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cheetahhh
Feb 21, 2021
0
473
3
+195
Help
Let $f(x) = \frac{2}{\sqrt{x}}$. What is the domain of $f$? Express your answer with interval notation.
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QuestionMachine
Feb 21, 2021
0
278
2
geometry
In triangle ABC, through the midpoint of AC isdrawn PQ I| AB. The altitude CD = 6 cm. If PQ is 8 less than AB, find PQ and the area of PCQ.
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Guest
Feb 21, 2021
0
589
1
triangle
If UV is 4 and UT is 6.25, what is UW? Round to the nearest thousandth.
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Guest
Feb 21, 2021
+4
522
5
+379
Please help me. Thank you.
Rationalize the denominator of . The answer can be written in the form of , where and are positive integers. Find the minimum possible value of .
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calvinbun
Feb 21, 2021
0
385
2
+10
Some polynomial question help fast
1.Find the product $(x - 3)(2x^2 + 5x - 7).$
2.Find the constant term in the product \[(-3z^2 - 7z + 4)(6z^2 - z + 6).\]
read more ..
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Randompersonlol
Feb 21, 2021
+4
440
2
+74
HELP PLSSSSS
Compute
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pizzaisawesome972
Feb 21, 2021
0
419
2
please help
What is the area of a triangle with side lengths 13, 14, and 15?
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Guest
Feb 21, 2021
0
450
1
Geometry need help
1. Teyla wants to find the distance, AB, across a river. She starts at point B, walks along the edge of the river for 94 feet, and marks point C. Then she walks 76 feet further and marks point D. She turns 90°, walks until her final location,
read more ..
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Guest
Feb 21, 2021
0
421
2
math/solving liner equations and formulas
2x+1=3x
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Guest
Feb 21, 2021
0
235
0
P(x+1)=x kare - (m-3)x+4
P(x+1)=x kare - (m-3)x+4
P(x) polinomunun x-3 ile bölümünden kalan -4 dür buna göre m kaçtır
Guest
Feb 21, 2021
0
282
0
4 numbers problem
If 4 numbers from 1 to 1000 are chosen at random, one at a time find the probability that they will be chosen in increasing order.
Guest
Feb 21, 2021
0
415
1
A fence problem
A fence encloses a square field whose sides measure 12m . A horse is tethered to a rope that is attached to a corner post of the feild so that the horse is outside the fence. If the rope holding the horse is 15m long, Find the total grazing area of the
read more ..
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Guest
Feb 21, 2021
0
442
1
+17
A soccer jersey must be numbered with a one- or two-digit integer. Ellen has 8 each of the digits 1-8. What is the maximum number of jerseys
A soccer jersey must be numbered with a one- or two-digit integer. Ellen has 8 each of the digits 1-8. What is the maximum number of jerseys she can number if no jersey number is repeated?
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Jastun
Feb 21, 2021
0
716
1
Find How many digits the base ten number 11^(8^5)
Find How many digits the base ten number 11^(8^5) has written in base eleven
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Guest
Feb 21, 2021
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