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Juliette [100K]
3 years ago
15

Need help I do not know how to do this you are a genius if u can solve this ​in less than 1 hour this is urgent please help 34 p

oints (all my points).

Mathematics
1 answer:
Furkat [3]3 years ago
6 0

Answer: n=30, n=-30


Step-by-step explanation:

Just plug in the amount of money, 335, into C. Then solve the equation.

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Last year 64 new houses were built in the neighborhood so far this year 5/8 of them have been sold. How many new houses have bee
Mariana [72]

5/8 of the total has been sold, so we just do 64*5/8=40 houses that had been sold this year. Hope this helped!

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Llana [10]

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(

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6 0
3 years ago
Which ordered pair is not a point on the graph of y=-x+5
Step2247 [10]

Answer: (1,1) (1,2))

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3 0
3 years ago
Read 2 more answers
The Niagara Falls ferris wheel has a diameter of 48 meters, and one revolution takes 2.25 minutes to complete. Riders can see Ni
Yanka [14]

The time intervals when the riders could see Niagara falls are; 0.834 < t < 1.416 and (3.084, 3.666)

<h3>How to interpret Cycle Graphs?</h3>

From the diagram attached, we can say that;

Period = 2π/k

where;

k = 2π/2.25

k = 8π/9

Thus;

h(t) = -(48/2) cos (8π/9)t + ((48/2) + 0.5)

h(t) = -24cos (8π/9)t + 24.5

Riders can see Niagara falls if they are higher than 41 meters above the ground. Thus;

41 = -24cos (8π/9)t + 24.5

41 - 24.5 = -24cos (8π/9)t

16.5 = -24cos (8π/9)t

-0.6875 = cos (8π/9)t

cos⁻¹0.6875 = (8π/9)t

t = 0.834 min

Thus, time interval is between;

0.834 < t < (2.25 - 0.834)

⇒ 0.834 < t < 1.416 and

(2.25 + 0.834) < t < (2.25 + 1.416)

⇒ (3.084, 3.666)

Read more about Cycle Graphs at; brainly.com/question/24461724

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4 0
2 years ago
All together, 3 people have 120 coins. mark has 3 times as many as joel, and joel has 1/2 as many as sandra. how many coins does
oksano4ka [1.4K]
Joel = j, Mark = m, Sandra = s
j + m + s = 120
m = 3j
j = 1/2 s --> s = 2j
plug in (substitute) each letter to make it in terms of only j: j + m + s = 120
j + 3j + 2j = 120
6j = 120
6j/6 = 120/6
j = 20
now plug in for the j & s equation:
s = 2j = 2(20) = 40
Therefore Sandra has 40 coins!
7 0
3 years ago
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