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Mariana [72]
3 years ago
6

Jade spent 1/2 hours on her phone. That used up 1/9 of her battery. How long would she have to play on her phone to use the enti

re battery
Mathematics
1 answer:
Alisiya [41]3 years ago
4 0

Answer:

4.5 hours

Step-by-step explanation:

.5 spends 1/9

1 spends 2/9

1.5 spends 3/9

2 spends 4/9

2.5 spends 5/9

3 spends 6/9

3.5 spends 7/9

4 spends 8/9

4.5 spends 9/9 or 1 full battery

brainlyist

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I think it's 7

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Write an exponential function for graph that passes through the following points (-3,80);(-1,20)
padilas [110]

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y

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An exponential function is in the general form

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b

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2

Two equations seem to be possible here. Plug both values of

b

into the either equation to find

a

. I'll use the second equation for simpler algebra.

If

b

=

1

2

:

2

=

a

(

1

2

)

a

=

4

Giving us the equation:

y

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4

(

1

2

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x

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b

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−

1

2

:

2

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a

(

−

1

2

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a

=

−

4

Giving us the equation:

y

=

−

4

(

−

1

2

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x

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7 0
3 years ago
The amount that results when $4,000 is compounded at 6% annually over seven years.
DerKrebs [107]

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Consider a home mortgage of ​$225,000 at a fixed APR of 4.5 ​% for 30 years. a. Calculate the monthly payment. b. Determine the
White raven [17]

<u>The formula for the monthly payment</u>.....

M= \frac{P(1+r)^nr}{[(1+r)^n] -1} , where P = the principal amount, r = the monthly interest rate and n = the total number of months.

Here annual interest rate is given as 4.5%

So, the monthly interest rate =\frac{4.5\%}{12}= 0.375\% = 0.00375

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b. The <u>total amount paid</u> over the term of the loan will be: \$ 1140*360 months = \$ 410400


c.   As the principal amount was $225000 , so the amount of interest = (\$ 410400- \$ 225000)= \$ 185400

So, the percentage of amount that is paid toward the principal =\frac{225000}{410400}*100\% =54.82\%

and the percentage of amount that is paid toward the interest =\frac{185400}{410400}*100\%=45.18\%

4 0
3 years ago
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