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sergij07 [2.7K]
4 years ago
12

I need help please!!

Mathematics
2 answers:
lukranit [14]4 years ago
6 0
It will take about 5.9 seconds longer to fall from 300 feet
ivolga24 [154]4 years ago
6 0
I got 1.6 seconds because
\sqrt{300}  \div 4 \ \\  = 4.33
and
\sqrt{120}   \div 4 = 2.73
therefore,
4.33 - 2.73 = 1.59
which rounds to 1.6

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A spinner has five equal parts labeled from 1 to 5. The spinner is spun twice. What is the probability of getting a 4 twice in a
Vera_Pavlovna [14]

|\Omega|=5^2=25\\ |A|=1\\\\ P(A)=\dfrac{1}{25}=4\%

8 0
3 years ago
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What is 35 percent of 70
11111nata11111 [884]
35 Percent of 70 is 24.5
We assume, that the number 70 is 100% - because it's the output value of the task. We assume, that x is the value we are looking for. If 70 is 100%, so we can write it down as 70=100%. We know, that x is 35% of the output value, so we can write it down as x=35%. <span>Now we have two simple equations: 1.)70=100% 2.)x=35%</span>where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that: 70/x=100%/35% Now we just have to solve the simple equation, and we will get the solution we are looking for.
3 0
3 years ago
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If r + 9 = 42, does r + 9 - 9 = 42 + 9? Why or why not?
pav-90 [236]
No it does not because the answer is 33 to the first one and the answer is 51 for the second one
7 0
3 years ago
You want to be able to withdraw $4000 a month for 30 years how much would you need to have in your account with an APR of 3.4% t
tigry1 [53]

Answer:

  $904,510.28

Step-by-step explanation:

If we assume the withdrawals are at the beginning of the month, we can use the annuity-due formula.

  P = A(1 +r/n)(1 -(1 +r/n)^(-nt))/(r/n)

where r is the APR, n is the number of times interest is compounded per year (12), A is the amount withdrawn, and t is the number of years.

Filling in your values, we have ...

  P = $4000(1 +.034/12)(1 -(1 +.034/12)^(-12·30))/(.034/12)

  P = $904,510.28

You need to have $904,510.28 in your account when you begin withdrawals.

8 0
3 years ago
How many plants does he put in the garden on #9
Sladkaya [172]
You work out 500-82=418
Next you do 300-61=239
Finally you add 239+412=657
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3 years ago
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