All Questions ⁺⁰230858 Questions

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What is the equation of the midline of the function f(x)=5.6sin(1.2x−2.3)+1.8?

What is the equation of the midline of the function f(x)=5.6sin(1.2x−2.3)+1.8?
y=−2.3
y=−1.8
y = 1.8 read more ..

Guest Mar 16, 2023

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66

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system

For a certain value of k, the system
x + y + 3z = 10
-4x + 8y + 5z = 7
kx + z = 3 read more ..

Guest Mar 16, 2023

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66

0

math question help!!!!!

The dolphins at the Perry Aquarium are fed 12 1/16 buckets of fish each day. The sea otters are fed 11/12 as much fish as the dolphins. How many buckets of fish are the sea otters fed each day?

Guest Mar 16, 2023

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67

4

+132

Precalc help!

If I have |z|^n = |1| and |(z+1)|^n = |1|, can I take the nth root of both sides to say that |z|=|z+1|=1?

Saphia1123 Mar 16, 2023

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67

5

PLSSSS HELP AND HURRY!!!!!

# of toppings cost 1 $9.50 3 $11.00 Above are the prices for two small pizzas from Domino’s. Write an equation to calculate the cost of a small pizza based on the number of toppings you order. Complete read more ..

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Guest Mar 16, 2023

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65

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Guest Mar 16, 2023

Mar 15, 2023

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72

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Algebra

Help this is hard
Let S be the set of all real numbers of the form
a1/3 + a2/3^2 + a3/3^3 + ....
where a_i \in {0, 1, 2} for all i.
(a) Is the number 1/7 in the set S? read more ..

Guest Mar 15, 2023

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74

3

help!!!I have homework due tomorrow!

A band played an encore at 2 of its last 4 shows. Considering this data, how many of the band's next 14 shows would you expect to have an encore? This is the question!If it could be solved,it read more ..

Guest Mar 15, 2023

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87

1

Expected value

In a series of coin flips, a run is a series of consecutive coin flips that are all the same. For example, in the sequence
the red letters form a run.
If a fair coin is flipped two times, what is the expected length of the longest read more ..

Guest Mar 15, 2023

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85

1

Probability

Can anyone help with this?
Let PQR be an equilateral triangle, centered at O. A point X is chosen at random inside the triangle. Find the probability that X is closer to O than to any of the sides. (In read more ..

Guest Mar 15, 2023

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77

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counting

Six children are each offered a single scoop of any of 3 flavors of ice cream from the Combinations Creamery. How many ways can each child choose a flavor for their scoop of ice cream so that some flavor of ice cream is selected by exactly two chi read more ..

Guest Mar 15, 2023

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77

6

important question

chicken or the egg, which was first.

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Guest Mar 15, 2023

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87

2

+1124

Sigma

Hi friends,
Maybe just one more after this for today, it's 9h30 at night, and I'm getting tired....Just to mention, I do not see your help as taking advantage of your kindness and knowledge, even though it may seem so, but you are really teaching read more ..

juriemagic Mar 15, 2023

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86

4

+1124

Hi friends,

Hi friends,
I'm asking quite a lot of questions on Sigma notation lately, I am working through a book and come right with a lot of them, however there are also a lot of them that I just cannot comprehend...I'm trying to up my game with read more ..

juriemagic Mar 15, 2023

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78

1

Probability

A stick is broken at two points, chosen at random. If the length of the stick is 6 then what is the probability that all three resulting pieces are shorter than 2 units?

Guest Mar 15, 2023

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73

1

Heeelp!!!!

What's A * B when C = A + B???

Guest Mar 15, 2023

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81

8

+96

How many solution are there to this equation

How many solution are there to this equation

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coolkidslovemath1982 Mar 15, 2023

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75

1

+96

help

The graph of y=f(x) is symmetric across the line x=5. The graph also passes through the point (8,-7) Find another point that must lie on the graph of y=f(x)

coolkidslovemath1982 Mar 15, 2023

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59

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binomials

(a) Simplify (n/k)/(n/(k - 1))
(b) For some positive integer n, the expansion of (1 + x)^n has three consecutive coefficients a, b, c that satisfy 1:8:28. What must n be?

Guest Mar 15, 2023

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81

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+1124

Sigma

Hi friends,
Top of Sigma is P, bottom is K=1. Expression is
Determine maximum value of P for which the above will be <2300.
I calculated: T1=10, T2=30, T3=90, r=3 read more ..

juriemagic Mar 15, 2023

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56

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geometry

In tetrahedron ABCO, angle AOB = angle AOC = angle BOC = 90^\circ. A cube is inscribed in the tetrahedron so that one of its vertices is at O, and the opposite vertex lies on face ABC. Let OA = 1, OB = 1, OC = 1. Show that the read more ..

Guest Mar 15, 2023

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