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75
1
+2206
Help.
Help.
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NotSoSmart
Jan 11, 2018
-1
83
1
+177
Help!
Does anyone know Spanish very well?
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party.girl286
Jan 11, 2018
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79
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+2206
Help
Help
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NotSoSmart
Jan 11, 2018
0
89
3
+2206
Help.
Help.
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NotSoSmart
Jan 11, 2018
-1
70
1
+434
help
English has 6 letters that can be vowels. This includes Y, which can be either a consonant or a vowel; for this problem, we'll consider Y a vowel.
The other 20 English letters are always consonants.
How many two-letter "words" can we make from these
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SmartMathMan
Jan 11, 2018
0
57
0
+434
help anyone out there?
How many ways are there to divide a red bracelet, a yellow bracelet, a green bracelet, and a black bracelet among 4 people if each person can receive any number of bracelets, including 0? Each bracelet must be given to someone.
SmartMathMan
Jan 11, 2018
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80
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+2206
Help.
Help.
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NotSoSmart
Jan 11, 2018
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86
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+2206
Help.
Help.
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NotSoSmart
Jan 11, 2018
0
245
1
A circle has an arc of length 32π that is intercepted by a central angle of 240. What is the radius of the circle?
A circle has an arc of length 32π that is intercepted by a central angle of 240°.
What is the radius of the circle?
A circle has a radius of 48 millimeters.
What is the central angle in radians, that
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Guest
Jan 11, 2018
0
83
1
Three Alg 2 Questions
What is the degree form for 4π5 radians?
°____
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Guest
Jan 11, 2018
+1
70
1
Probability of A is 0.8. If A happens, the probability of B is 0.5. What is the probability of both A and B being true?
A: 0.8
B (only if A is true): 0.5
Is it just simple A*B? Or do I have to do 0.8(0.5*0.8)? thanks
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Guest
Jan 11, 2018
+1
73
1
science
When methane burns, it combines with oxygen to form carbon dioxide and water. This reaction releases energy. The balanced chemical equation representing this process is shown.
Which statement about this process is true?
off-topic
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Guest
Jan 11, 2018
0
75
2
Test Prep Help - Trigonometry
An observer in a lighthouse 350 feet above sea level observes two ships directly offshore. The angles of depression to the ships are β = 2° and θ = 5.5° (see figure). How far apart are the ships? (Round your answer
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Guest
Jan 11, 2018
0
91
1
+2206
Help.
Help.
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NotSoSmart
Jan 11, 2018
0
115
4
sin -1?
How do i use sin -1
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Guest
Jan 11, 2018
0
108
3
please help me URGENT!!
A pair of consecutive integers has the property that 8 times the lesser is more than 4 times the greater.
Find the least pair of integers with this property.
what I did was:
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ElectricPavlov
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Guest
Jan 11, 2018
0
99
3
Adding and subtracting rational expressions
a - 3b + a + 5b
a + b a + b
hectictar
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Guest
Jan 11, 2018
+2
103
1
+376
How many of the 343 smallest positive integers written in base 7 use 4 or 5 (or both) as a digit?
How many of the 343 smallest positive integers written in base 7 use 4 or 5 (or both) as a digit?
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RektTheNoob
Jan 11, 2018
0
101
2
+243
If you have the element Boron (B) with a mass number of 10, 5 protons, 5 neutrons and 6 electrons, what would be the isotope/ion symbol? *
If you have the element Boron (B) with a mass number of 10, 5 protons, 5 neutrons and 6 electrons, what would be the isotope/ion symbol? *
5B
5B-1
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sii1lver
Jan 11, 2018
0
113
3
Can someone help me I do not understand the question
Simplify \[i^1+i^2+i^3+\cdots+ i^{97} + i^{98}+i^{99}.\]
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Guest
Jan 11, 2018
0
156
1
Help
There are 5 quadratics below. Four of them have two distinct roots each. The other has only one distinct root; find the value of that root.
\begin{align*} &4x^2 +16x - 9\\ &2x^2 + 80x + 400\\ &x^2 - 6x - 9\\ &4x^2 - 12x + 9\\ &{-x^2
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Guest
Jan 11, 2018
0
95
2
Nora and Ryan
Nora and Ryan are making stuffed animals for a toy drive. The table shows the fabric purchases they made. Who purchased the more expensive fabric? Explain your reasoning.
Someone help please
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Guest
Jan 11, 2018
0
103
1
geom. question
please help me with this problem!! thank you:
Draw triangle ABC and let D be the midpoint of AB. Let E be the midpoint of CD. Let F be the intersection of AE and BC. Draw DG parallel to EF meeting BC at G. Prove that BG = GF = FC.
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Guest
Jan 11, 2018
0
90
1
Hep
Simplify the expression \[\frac{1}{\sqrt{2}} +\frac{3}{\sqrt{8}} + \frac{6}{\sqrt{32}}.\]
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Guest
Jan 11, 2018
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