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kicyunya [14]
4 years ago
8

Curtis wants to save money for a trip overseas. Curtis invests $900 in an account that pays an interest rate of 8.75%. How many

years will it take for the account to reach $11,700? Round your answer to the nearest hundredth.
Mathematics
2 answers:
professor190 [17]4 years ago
7 0
Hi there
The formula is
A=p (1+r)^t
A future value 11700
P present value 900
R interest rate 0.0875
T time?
We need to solve for t
T=log (A/p)÷log (1+r)
So
T=log(11,700÷900)÷log(1+0.0875)
T=30.6years round your answer to get
T=31 years

Hope it helps
Papessa [141]4 years ago
3 0
For Plato users... the answer is actually 30.58. 
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A box is filled with 2 blue cards, 4 brown cards, and 6 yellow cards. A card is chosen at random from a box. What is the probabi
Finger [1]

Answer:

Therefore the probability that the card is not brown is \frac12.

Step-by-step explanation:

Probability: Probability is the ratio of the favorable outcome to the total outcome.

Probability =\frac{\textrm{Favorable outcome}}{\textrm {Total outcome}}

Given that, a box contains  2 cards blue in color , 4 cards brown in color and 6 cards yellow in color.

Total number of cards= (2+4+6)=12

∴P(getting a brown card)

=\frac{\textrm{No. of brown card}}{\textrm{Total no. of card}}

=\frac{6}{12}

=\frac12

∴P(not getting a brown card)

=1 - P(getting a brown card)

=1-\frac12

=\frac12

Therefore the probability that the card is not brown is \frac12.

8 0
3 years ago
Read 2 more answers
Drag each equation and coordinate to the correct location on the table. Not all equations or coordinates will be used. In the ta
Elena L [17]

Answer:

Standard Form           Equivalent Form            Extreme Values

y=x^2-6x+17                   (x-3)^2+8                        (3,8)

y=x^2+8x+21                  (x+4)^2+5                        (-4,5)

y=x^2-16x+60                 (x-8)^2-4                         (8,-4)

Step-by-step explanation:

1) Standard form:

y=x^2-6x+17

Equivalent Form:

Can be found using completing the square method.

y=x^2-6x+17\\y=x^2-2(x)(3)+(3)^2-(3)^2+17\\y=(x-3)^2-9+17\\y=(x-3)^2+8

So, Equivalent form is: (x-3)^2+8

Extreme value:

Extreme values are basically the minimum and maximum value of the function.

Minimum Value will be found by finding derivative of the function:

The derivate is: 2x-6

Now, put the derivate equal to zero: 2x-6 = 0

2x=6\\x=6/3 \\x=3

Maximum value can be found by putting minimum value in the given function:

Put x = 3 and solve:

(3)^2-6(3)+17\\9-18+17\\9-1\\=8\\

So, the extreme values is: (3,8)

2) Standard form:

y=x^2+8x+21

Equivalent Form:

Can be found using completing the square method.

y=x^2+8x+21\\y=x^2+2(x)(4)+(4)^2-(4)^2+21\\y=(x+4)^2-16+21\\y=(x+4)^2+5

So, Equivalent form is: (x+4)^2+5

Extreme value:

Extreme values are basically the minimum and maximum value of the function.

Minimum Value will be found by finding derivative of the function:

The derivate of x^2+8x+21 is: 2x+8

Now, put the derivate equal to zero:

2x+8 = 0\\2x=-8\\x=-8/2 \\x=-4

So, minimum value is: -4

Maximum value can be found by putting minimum value in the given function:

Put x = -4 and solve:

x^2+8x+21\\=(-4)^2+8(-4)+21\\=16-32+21\\=5

So, Maximum value is: 5

So, the extreme values is: (-4,5)

3) Standard form:

y=x^2-16x+60

Equivalent Form:

Can be found using completing the square method.

y=x^2-16x+60\\y=x^2-2(x)(8)+(8)^2-(8)^2+60\\y=(x-8)^2-64+60\\y=(x-8)^2-4

So, Equivalent form is: (x-8)^2-4

Extreme value:

Extreme values are basically the minimum and maximum value of the function.

Minimum Value will be found by finding derivative of the function:

The derivate of x^2-16x+60 is: 2x-16

Now, put the derivate equal to zero:

2x-16 = 0\\2x=16\\x=16/2 \\x=8

So, minimum value is: 8

Maximum value can be found by putting minimum value in the given function:

Put x = 8 and solve:

x^2-16x+60\\=(8)^2-16(8)+60\\=64-128+60\\=-4

So, Maximum value is: -4

So, the extreme values is: (8,-4)

4 0
3 years ago
Read 2 more answers
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Svet_ta [14]
A proper fraction is <span>a fraction that is less than one, with the numerator less than the denominator. Which of these satisfies that criteria?
a) 15/22, numerator (top number) less than the denominator (bottom number). CORRECT ANSWER
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C) 3/2, numerator greater than denominator, not a proper fraction
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5 0
4 years ago
HELP!! 30 POINTS!<br><br> The figure has ____ line(s) of symmetry
hodyreva [135]

Answer: 2 Lines of Symmetry

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8 0
3 years ago
Help plsss<br> Find Perimeter
Keith_Richards [23]

Answer:

Step-by-step explanation:

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8+8 = 16

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8 x 3.14 = 25.12 but your not done yet its a half circle so divide by 2

25.12/2 = 12.56

12.56 + 36 = 48.56 is final answer

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6 0
3 years ago
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