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Levart [38]
3 years ago
8

Sarah Goes To Dinner With 2 Of Her Friends. The Total Cost Of Dinner Is $61.92 Her Friends Pay 2/3 of the total cost. Exactly Ho

w Much Does Sarah Pay ?
Mathematics
1 answer:
IceJOKER [234]3 years ago
5 0

Answer:

$20.64

Step-by-step explanation:

if you cut 61.92 in to thirds

61.92/ 3= 20.64

so if Sarah's friends payed 2/3 of the bill Sarah herself payed 1/3 which is $20.64

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How did convenience store there is a 25% chance as customer enters the store within one minute of closing time describe the comp
valentinak56 [21]
The complementary is not entering the store one minute before closing.

The probability of not entering the store one minute before closing is 75%

7 0
3 years ago
Read 2 more answers
Suppose that during one period extreme cold,the average daily temperature decreased 1 1/2 F each day. How many days did it take
Alenkasestr [34]

We have been given that during one period extreme cold, the average daily temperature decreased 1\frac{1}{2} degree F each day. We are asked to find number of days it will take for the temperature to decrease by 9 degree F.

First of all we will convert our mixed fraction into improper fraction.

1\frac{1}{2}=\frac{3}{2}

Now we will divide total temperature change (9) by average daily temperature change (\frac{3}{2}) to find number of days.

9\div\frac{3}{2}

Dividing a number by a fraction is same as multiplying the number by reciprocal of the fraction.

9\cdot\frac{2}{3}

3\cdot2=6

Therefore, it will take 6 days for the temperature to decrease by 9 degree F.

7 0
3 years ago
What I need to prove is that a+b+c = 180
Sauron [17]

Answer:

Angles in a triangle add up to 180.

7 0
3 years ago
A person invest $1800 in a account that earns 2.46% annual interest. Find when the value of the investment teachers $3500
GrogVix [38]

Answer:

28 years

Step-by-step explanation:

To find the number of years that the investment will reach $3500, we can use the formula of compound interest:

P = Po * (1+r)^t

where P is the final value, Po is the inicial value, r is the annual interest and t is the time in years.

In this question, P = 3500, Po = 1800 and r = 2.46% = 0.0246, so:

3500 = 1800 * (1+0.0246)^t

1.0246^t = 3500/1800

1.0246^t = 1.9444

Using logarithm in both sides:

log(1.0246^t) = log(1.9444)

t*log(1.0246) = 0.2888

t * 0.0106 = 0.2888

t = 0.2888 / 0.0106 = 27.2453 years

So the investment will reach $3500 after 28 years (rounding the result up, because after 27 years the investment will not reach $3500)

4 0
3 years ago
Can someone help me pls
Paraphin [41]

Answer:

69

Step-by-step explanation:

both edges equal 90 degrees

90 plus 90 plus 111 =291

360-291

6 0
3 years ago
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