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d1i1m1o1n [39]
2 years ago
5

Rufus invest 10,000 in a savings account that pays 3.5 simple interest each year. If Rufus makes no withdrawal or deposits to th

e account how much money will be in the account after 7 years ?
Mathematics
1 answer:
IgorC [24]2 years ago
4 0

Answer:

$1272.28

Step-by-step explanation:

Our equation is

p*(1+x)^{t} , with p being the starting amount, x being the interest rate, and t being the time. Plug our variables in to get

1000*(1+0.035)^{7} = around 1272.28

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a quadratic equation has a discriminant of 12. which could be the equation? a.0 = –x2 8x 2 b.0 = 2x2 6x 3 c.0 = –x2 4x 1 d.0 = 4
Norma-Jean [14]

Answer:

Option b which is 2x^2+6x+3=0

Step-by-step explanation:

We have been given the discriminant 12

We have to choose the equation which will satisfy the given discriminant.

We will consider all the given equation one by one

First we will take option a which is -x^2+8x+2=0

Discriminant from the equation we will find by the formula

D=b^2-4ac

Here, a=-1,b=8 and c=2 on substituting the values we will get

D=8^2-4(-1)(2)=72

Hence, option a is incorrect.

Now, we will consider option b which is 2x^2+6x+3=0

Here, a=2,b=6 and c=3 on substituting the values we get

D=(6)^2-4(2)(3)=12

Hence, option b is correct

Therefore, option b is the required answer.

8 0
2 years ago
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You sell 3 hamburgers at $2.10 each plus 0.38 tax. A customer gives you a $10.00 bill. How much change does he get?
azamat
The customer's change would be 3.32
7 0
3 years ago
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There is a bag filled with 4 blue, 3 red and 5 green marbles.
zhannawk [14.2K]

Answer:

You are selecting marbles with replacement. The marble selections (trials) are independent and the marble selection follows the binomial distribution.

The probability of selecting a red marble the first time is 1313.

(This is because 4 out of 12 marbles are red and412412 reduces to 1313.

The probability of selecting a red marble the second time is 1313.

The marble selections are independent and you can multiply the two probabilities to get the following:

probability of getting 2 reds = (13)2(13)2

=19=19.

So the probability of getting two reds is 1919.

7 0
2 years ago
What is the quotient when root 1500 is divided by 2 root 15
joja [24]

Answer:

Answer is (√1500) /(2√15 )= 5

Step-by-step explanation:

8 0
3 years ago
!urgent! PLEASE HELP thanks​ will give brainliest
ziro4ka [17]

Answer:

the first four answers are all correct

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3 years ago
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