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Arte-miy333 [17]
4 years ago
14

A farm stand wants to sell fruit to local grocery stores in packages with baskets of strawberries, worth $7 apiece, and baskets

of raspberries, worth $11 apiece. The owner wants each package to include 30 baskets total, and he wants to sell each package for $246. How many baskets of strawberries and how many baskets of raspberries should he put in each package ?
Mathematics
1 answer:
8090 [49]4 years ago
7 0

Answer:

number of baskets of strawberries in each package = 21

number of baskets of raspberries in each package = 9

Step-by-step explanation:

Let x = number of baskets of strawberries in each package.

Let y = number of baskets of raspberries in each package.

Baskets of strawberries worth $7 apiece, and baskets of raspberries, worth $11 apiece. The cost of the each package is $246. This means

7x + 11y = 246 - - - - - - - - -1

The owner wants each package to include 30 baskets total. This means

x + y = 30

Put x = 30 - y in equation 1

7(30-y) + 11y = 246

210 - 7y + 11y = 246

-7y + 11y = 246 - 210

4y = 36

y = 36/4 = 9

x = 30-y = 30-9

= 21

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A thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 40° F. Af
fgiga [73]

Answer:

53.3324

Step-by-step explanation:

given that a  thermometer is removed from a room where the temperature is 70° F and is taken outside, where the air temperature is 40° F.

By Newton law of cooling we have

T(t) = T+(T_0-T)e^{-kt}

where T (t) is temperature at time t,T =surrounding temperature = 40, T0 =70 = initial temperature

After half minute thermometer reads 60° F. Using this we can find k

T(0,5) = 40+(70-40)e^{-k/2} = 60\\e^{-k/2} =2/3\\-k/2 = -0.4055\\k = 0.8110

So equation is

T(t) = 40+(30)e^{-0.8110t}\\

When t=1,

we get

T(1) = 40+(30)e^{-0.8110}\\\\=53.3324

5 0
3 years ago
The area of one side of a skyscraper is 90,000 square feet. The area of the corresponding side of a scale model is 200 square in
Varvara68 [4.7K]
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7 0
3 years ago
What is the x intercept for 6x - 7y = 42
Rama09 [41]

Answer:

(7,0)

Step-by-step explanation:

7 0
3 years ago
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Write 605.8 correct to the nearest 10
kvv77 [185]
Rounding to the nearest 10 means if the digit to the right of the 10s collum is 5 or more round up. if less than 5 round down.
605.8
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6 0
4 years ago
What are two ratios that are equivalent to 9/12
Gnom [1K]
Find the greatest common factor (GCF) of 9 and 12 using factor trees. The GCF is 3

Divide each term (9 and 12) over 3
9/3 = 3
12/3 = 4

So 9/12 reduces to 3/4

In other words, 9/12 = 3/4

--------------------------------------

Now focusing on 3/4, we can multiply top and bottom by the same value. Let's say we multiply top and bottom by 5

3*5 = 15
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So 3/4 = 15/20

--------------------------------------

So two ratios equivalent to 9/12 are 3/4 and 15/20. There are infinitely other ratios that are equivalent. 

In short, the answers are 3/4 and 15/20.
6 0
4 years ago
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