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yan [13]
3 years ago
6

You collect a total of $160 from 3 people. The 3 donation are in the ratio 5:5:10.How much do the two people that donate the sam

e amount spend. Also how much larger is the largest donation than the smaller donations.
Mathematics
1 answer:
grandymaker [24]3 years ago
5 0
The answer to your question is 10:10:20 because it doubles from the 2 people.

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I need answers to both of the questions Please help
jolli1 [7]

Answer:

131 minutes, an = 15 + (n - 1)(4)

Step-by-step explanation:

each time she is increasing by 4 minutes

we can write this equation like this since we have the difference and the first part:

an = 15 + (n - 1)(4)

note

"an" (or ace of n)'s n is in subscript and is written just like a superscript but on the bottom

we can plug in this equation to find ace of 30 (a30)

15 + (30 - 1)(4)

15 + 29*4

116 + 15

a30 = 131

4 0
3 years ago
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A rocket is launched from atop a 65-foot cliff with an initial velocity of 113 ft/s. The height of the rocket above the ground a
OlgaM077 [116]

Answer:

7.6 seconds

Step-by-step explanation:

To solve this problem we can use the following equation:

S = So + 113*t + at^2/2

Where S is the final position, So is the inicial position, Vo is the inicial speed, a is the acceleration and t is the time.

In this problem, we have that S = 0, So = 65, Vo = 113 and a = -32 ft/s2 (The acceleration of gravity)

So we have that:

0 = 65 + 113t - 16t2

16t2 - 113t - 65 = 0

Using Bhaskara's formula, we have:

Delta = 113^2 + 4*65*16 = 16929

sqrt(Delta) = 130.11

t = (113 + 130.11) / (2*16) = 7.597 seconds

Rounding to nearest tenth, we have t = 7.6 seconds

7 0
3 years ago
What is 3(x-3) when x=9
Sergio [31]

Answer:the answer is 18

Step-by-step explanation:You do 9minus three then get six and then multiply six by three to get 18.

4 0
3 years ago
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Consider this population data set: 4, 6, 7, 11, 12, 18, 26, 23, 14, 31, 22, 12. A random sample of four is drawn from this set:
rosijanka [135]
19 I believe is your answer!
3 0
3 years ago
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What is 16,900 in scientific notaion?
Wewaii [24]
1\underbrace{6,900}_{\leftarrow4}=1.6900\times10^4=\boxed{1.69\times10^4}
7 0
3 years ago
Read 2 more answers
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