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Nataly [62]
3 years ago
9

PLEASE HELP.

Mathematics
2 answers:
Setler79 [48]3 years ago
8 0
Yes you can and you do that by multiplying $42×1.30=54.60 and then $54.60×1.25=68.25
Andre45 [30]3 years ago
5 0

Answer: YES you can

The original price is $68.25

Step-by-step explanation:

42.00x.3=12.6

42.00+12.6=54.6

54.6x.25=13.65

54.6+13.65= $68.25

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You want to have $25,000 for a down payment on a house 6 years from now. if you can earn 6.5 percent, compounded annually, on yo
STatiana [176]
Use compound interest formula:
Future value, F 
25000=P(1+i)^n
where
P=present value to be found
i=annual interest rate = 0.065
n=number of years = 6
so
25000=P(1.065)^6
=>
P=(25000/1.065^6)=$17133.353
6 0
3 years ago
What is the speed (approximately) of a 2.5-kilogram mass after it has fallen freely from rest through a distance of 12 meters?
Norma-Jean [14]

Answer:

15.3 m/s

Step-by-step explanation:1) Find the gravitational potential energy using the equation :

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2) Then use the equation for kinetic energy to solve for the velocity:

     KE=\frac{1}{2} mv^{2}

     294=\frac{1}{2}(2.5)(v^2)\\235.2=v^2\\\sqrt{235.2} =v\\15.3 m/s=v

6 0
3 years ago
Solve using square root or factoring method
OlgaM077 [116]
9x^2 + 18x + 9 = 5

9(x^2 + 2x +1) - 5 = 0

x^2 + 2x - 4 = 0

Then use the quadratic formula. 

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3 years ago
The length of a rectangle is 4 cm longer than the width of the rectangle. The perimeter of the rectangle is 88 Centimeters.What
Tcecarenko [31]
Im not sure but I think the answer is 9.4cm2
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Step-by-step explanation:

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