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Post New Question
All Questions
+0
234855 Questions
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399
1
Find the area of the polygon
Find the area of the polygon
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Guest
Mar 9, 2021
0
1194
1
half-life computation
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 2 mg.
What was the initial mass (in mg) of the sample?
What is the mass 5 weeks after the start?
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Guest
Mar 9, 2021
0
573
1
hey need some help here
A compound with an empirical formula of C2OH4 and a molar mass of 176 grams per mole. Find the molecular formula.
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Guest
Mar 9, 2021
0
278
0
help with math
One face of a cube-shaped package has an area of 7 5/6 square inches. What is closest to the total surface area of the package?
A gardener has a cylindrical planter that has a diameter of 1 1/3 feet and is 2 feet deep.
read more ..
Guest
Mar 9, 2021
0
1028
1
+230
hey besties could use some help here thx ;)
Two angles of a triangle measure 30 and 45 degrees. If the side of the triangle opposite the 30-degree angle measures $6\sqrt2$ units, what is the sum of the lengths of the two remaining sides? Express your answer as a decimal to the nearest tenth.
read more ..
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wizzymath
Mar 9, 2021
0
375
1
plz help
Algebraically determine the unit cost for both a medium popcorn and a small drink.
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Guest
Mar 9, 2021
0
412
1
circle
What is the measure of angle XYZ?
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Guest
Mar 9, 2021
0
617
1
lengths in circles
Six boys stood equally spaced on a circle of radius 40 feet. Each boy walked to all of the other non-adjacent persons on the circle, shook their hands and then returned to his original spot on the circle before the next boy started his trip to shake hands
read more ..
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Guest
Mar 9, 2021
0
354
1
help surface area
Find the total surface area.
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Guest
Mar 9, 2021
0
290
1
Help Please!
I found that the base of triangle ABC is equal to 4 and that AB=AC because triangle ABD and triangle ACD are congruent, but I am confused about how to continue.
read more ..
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Guest
Mar 9, 2021
0
442
2
Help math
x2 + 132 = 852
Please can someone give me the answer?
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Guest
Mar 9, 2021
0
551
1
Please help
On a nationwide test taken by high school students, the mean score was 54 and the standard deviation was 13. The scores were normally distributed. Complete the following statements.
(a) Approximately 68% of the students
read more ..
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Guest
Mar 9, 2021
0
354
1
circle
Find the radius of the circle whose center point is (-2,7) and a point on the circleis located at (5,3).
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Guest
Mar 9, 2021
0
399
1
HELPPPPP!
I am currently 13 times as old as my granddaughter. Next year, I will be 11 times as old as my granddaughter. How old am I now?
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Guest
Mar 9, 2021
0
283
0
help me
a marrow plant is 0.5 m long.Every week it grows by 20%
a)Find the value of the common ratio.
b)calculate how long the plant is after 12 weeks.
C)comment on the predicted lenght of the marrow after one year.
read more ..
Guest
Mar 9, 2021
0
473
3
Math
What is x-11=7?
Just a fun question to ask :D
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Guest
Mar 9, 2021
0
344
0
The ages (in years) of the 6 doctors at a local clinic are the following.
The ages (in years) of the 6 doctors at a local clinic are the following.
32, 44, 41, 33, 36, 54
Assuming that these ages constitute an entire population, find the standard deviation of the population. Round
read more ..
Guest
Mar 9, 2021
0
252
0
regular polygon
Find the area of the regular polygon. Round your answer to the nearest hundredth.
Guest
Mar 9, 2021
+1
418
1
+501
completing the square
Patricia is trying to solve the following equation by completing the square:
$$25x^2+20x-10 = 0.$$
She successfully rewrites the above equation in the following form:
$$(ax + b)^2 = c,$$
read more ..
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ellapow
Mar 9, 2021
0
360
1
volume
Find the volume of each figure to the nearest whole number.
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Guest
Mar 9, 2021
+1
359
1
+501
angles in circles
Stuart has drawn a pair of concentric circles, as shown. He draws chords $\overline{AB}$, $\overline{BC}, \ldots$ of the large circle, each tangent to the small one. If $m\angle ABC=75^\circ$, then how many segments will he draw
read more ..
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ellapow
Mar 9, 2021
0
663
1
help me
1 The increase in the length of an ivy plant,in metres, is modelled by the equation
f(x) = 2(1.1)*, where x is the time in weeks.
a Find the initial length of the ivy plant.
b Find the length after 10 weeks.
c Find how long it takes for the
read more ..
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Guest
Mar 9, 2021
0
286
0
Probability Question- There are 10 students in a class: 6 boys and 4 girls
If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a girl ?
Guest
Mar 9, 2021
0
308
0
volume
Find the volume of the square pyramid, given its slant height
Guest
Mar 9, 2021
0
261
0
you guys like booty
you guys like booty
Guest
Mar 9, 2021
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