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Post New Question
All Questions
+0
234807 Questions
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557
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+206
Bisectors in a Triangle
What is the radius of the circle inscribed in triangle $ABC$ if $AB = 12, AC=14, BC=16$? Express your answer in simplest radical form.
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oliviapow06
Mar 3, 2021
+1
740
2
geometry problem
Find the measures of the numbered angles in the kite.
swag123456
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Guest
Mar 3, 2021
-1
820
1
+206
Special Right Triangles
In pentagon $ABCDE$, $BC=CD=DE=2$ units, $\angle E$ is a right angle and $m \angle B = m \angle C = m \angle D = 135^\circ$. The length of segment $AE$ can be expressed in simplest radical form as $a+2\sqrt{b}$ units.
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oliviapow06
Mar 3, 2021
0
461
2
geometry
Find the value of each variable.
y =
z =
SparklingWater2
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Guest
Mar 3, 2021
0
573
1
help with algebra
Jordan tosses a coin off a bridge into the riverThe height of the cain, f(x) , feet, is represented by the function f(x) = - 16x ^ 2 - 16x + 60 where x represents the time. In seconds, how long is the coin in the air?
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Guest
Mar 3, 2021
0
571
1
The center of a circle is at a vertex of an equilateral triangle as shown. If the area of the circle and the equilateral triangle are both
The center of a circle is at a vertex of an equilateral triangle as shown. If the area of the circle and the equilateral triangle are both 10, what is the combined area of the two gray regions?
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Guest
Mar 3, 2021
0
974
1
ABCDEFGH is an equiangular octagon (that is, an octagon with eight equal interior angles). We know that AB=EF=1, BC=FG=\sqrt 2, $CD=GH=
$ABCDEFGH$ is an equiangular octagon (that is, an octagon with eight equal interior angles). We know that $AB=EF=1$, $BC=FG=\sqrt 2$, $CD=GH=2,$ and $DE=HA=2\sqrt 2.$ What is the area of the octagon?
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SparklingWater2
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Guest
Mar 3, 2021
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293
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Pre algebra
Write the point slope form of the equation for the line that passes through the points (-4, -15) and (1,5)
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Guest
Mar 3, 2021
0
431
2
Help would be appreciated! Thx
What is the y-coordinate of the point on the y-axis that is equidistant from points (-2, 0) and (-1, 4)?
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Guest
Mar 3, 2021
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407
1
I dont understand
please help
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Guest
Mar 3, 2021
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794
1
interest rate
7300 dollars is placed in an account with an annual interest rate of 7.75%. To the nearest tenth of a year, how long will it take for the account value to reach 26800 dollars?
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Guest
Mar 3, 2021
0
2309
2
???
Mikela claims that the sum of any two numbers is greater than the larger of the two numbers. Jim claims that the sum of any two natural numbers is greater than the larger of the two numbers.
Determine whose claim is correct, and explain why.
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Guest
Mar 3, 2021
0
421
1
help geo
Find the values of x and y using the given chord, secant, and tangent lengths.
SparklingWater2
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Guest
Mar 3, 2021
+2
496
3
+201
pleaseeeee help :)
Six cars pull up to a red light, one at a time. At the light, there are three lanes, one left-turn lane, one straight-going lane, and one right-turn lane. How many ways can the cars stack up so that all three lanes are occupied?
Note that if the first
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jxc516
Mar 3, 2021
0
742
4
pls help
If the degree measure of an arc of a circle is increased by 20% and the radius of the circle is increased by 25% , by what percent does the length of the arc increase?
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Guest
Mar 3, 2021
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697
5
HELP PLS DUE TMRW!!!!
Please explain how you got your answer. Thank you so much!
1. Triangle ABC is inscribed in circle O. We know ∠AOB = 110 degrees, ∠AOC = 120 degrees. Find the measure of ∠BAC.
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Guest
Mar 3, 2021
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545
2
+4
Question
A creature on the moon throws a rock off a cliff. the height of the rock above the surface of the moon, in meters, t seconds after it is thrown is given by h(t) = -t^2 +8t +10. when does the rock hit the surface of the moon?
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HMMWHAT272
Mar 3, 2021
+1
563
3
+614
pls help!!
Wendy has $1,000 that she invests in an account that pays 3.5% interest compounded quarterly. How much money does Wendy have at the end of 5 years? Round your answer to two decimal places. (Compound interest is the addition of interest to the principal
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xxJenny1213xx
Mar 3, 2021
+1
571
2
+130
Quadratic Equations RIP help pls
The numbers 1,-1 and a+1 are the roots of the equation x^3+6x^2-2bx-3c-12=0.
Find the values of a,b,c.
TY :)
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HelpPls123abc
Mar 3, 2021
0
579
1
+122
A Problem about Joe Biden
Joe is studying a bacteria population. There are 20 bacteria present at 3:00 p.m. and the population doubles every 3 minutes. Assuming none of the bacteria die, how many bacteria are present at 3:15 p.m. the same day?
SparklingWater2
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cryptoaops
Mar 3, 2021
0
709
5
+122
Mary's age is twice her brother's age and half her sister's age. How old is Mary, in years, if the sum of the three ages is 28 years?
Mary's age is twice her brother's age and half her sister's age. How old is Mary, in years, if the sum of the three ages is 28 years?
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cryptoaops
Mar 3, 2021
0
555
1
trigonometric calculation
Jermaine and John are standing 10 meters apart looking up at a helicopter. Use the diagram to find the height of the helicopter. Round your answer to the nearest tenth.
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Guest
Mar 3, 2021
0
392
1
help
Evaluate . Write your answer in the form a+bi. (Here i = )
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Guest
Mar 3, 2021
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