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vaieri [72.5K]
4 years ago
11

Tobie Invest $25 in a bank account where the interest is compounded at 4% every year. He makes no withdrawals or deposits. the f

ormula for compound interest is A(t)=P(1+i)^t
Part A :what are the principal and the interest rate ?
Part B : write a function that represents tobie’s account balance after t years
Mathematics
2 answers:
maria [59]4 years ago
8 0
$25 is the principal 4% is the interest rate, A(t)=25+1.04
nikitadnepr [17]4 years ago
3 0
The principal is $25 and the rate is 4%.

So after t years: A(t) = 25(1.04)^t
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If R= {(1,2), (3,4), (5,6), (8,9)} find the domain and range of R a. Find value of X and Y.​
erma4kov [3.2K]

Answer:

Domain = (1,3,5,8) and Range = (2, 4, 6, 9)

Step-by-step explanation:

Domain are sets of input values

Range are set of output values that have a corresponding values in the domain

From (domain, range)

Therefore, the domain are: (1,3,5,8)

Range are: (2,4,6,9

6 0
3 years ago
Simplify m²n+3xy-nm²-yx​
vlabodo [156]
Answer:
2xy

Explanation:
m^2n+3xy-nm^2-yx
Rewrite nm^2 as m^2n
=m^2n+3xy-m^2n-yx
Rewrite yx as xy
=m^2n+3xy-m^2n-xy
=3xy-xy
=2xy

I hope this helps!
5 0
3 years ago
The jogging track at Francine’s school is 3/4 mile long. Yesterday Francine completed two laps on the track. If she ran 1/3 of t
Galina-37 [17]
I dont know but mabye is 2/3
7 0
4 years ago
Read 2 more answers
I need help ASAP plz
Sladkaya [172]
This is a right triangle. To find the third side of a right triangle. Use the Pythagorean Theorem.
a^2+b^2=c^2
a and b are the legs, c is the hypotenuse.
a^2+7^2=16^2
a^2+49=256
Subtract 49 from both sides:
a^2=207
Square foot:
a=14.38749457 in.
Round to nearest tenth:
14.4 in
4 0
3 years ago
Read 2 more answers
Please help I don't exactly understand
tigry1 [53]
The third one because square root of 13 is 3.606. 
7 0
3 years ago
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