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tatiyna
3 years ago
15

THE PERSON WHO GETS THIS ANSWER RIGHT WILL GET 50+ POINTS

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
4 0
For the first box it is 3, the second box is 5, and the third box is 15 hope this helps
Marat540 [252]3 years ago
3 0

9514 1404 393

Answer:

  • 6x +5y = 45
  • x +y = 8
  • x = 5 . . . jars of jam
  • y = 3 . . . packages of bread mix

Step-by-step explanation:

The problem statement gives two relations between x (jars of jam) and y (packages of bread mix).

  6x +5y = 45 . . . . . . total cost

  x + y = 8 . . . . . . . . . number of items

__

These equations can be solved a number of ways. Substituting for y, we get ...

  y = 8 -x

  6x +5(8 -x) = 45

  x +40 = 45

  x = 5 . . . . . . . . . jam

  y = 8 -5 = 3 . . . mix

There are 5 jars of jam and 3 packages of bread mix in the gift basket.

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The population of bacteria in a culture doubles every 14 hours. How long will it take for
Snezhnost [94]

Answer:  22 hours 11 minutes

<u>Step-by-step explanation:</u>

P=P_o\cdot e^{(kt)}\\\\\text{Since the initial population is doubled in 14 hours, then:}\\2P_o=P_o\cdot e^{k\cdot 14}\\2=e^{14k}\\ln\ 2=ln\ e^{14k}\\ln\ 2=14k\\\\\dfrac{ln\ 2}{14}=k\\\\0.0495=k\\\\\\\text{Now that the k-value has been determined, we can find the time when the}\\\text{population is tripled:}\\3P_o=P_o\cdot e^{0.0495t}\\3=e^{0.0495t}\\ln\ 3=ln\ e^{0.0495t}\\ln\ 3=0.0495t\\\\\dfrac{ln\ 3}{0.0495}=5\\\\22.19=t\\\\22\ hrs +0.19\ hrs

22\ hours + \bigg[\dfrac{19}{100}=\dfrac{x}{60}\bigg]\\\\22\ hours + 11\ minutes

4 0
3 years ago
A man pays a total of 4800 in flat rental for 3 months. find the man monthly rental rate.
Elza [17]

Answer:

<u>1,600</u>

Step-by-step explanation:

divide the total money by the time to get unit rate such as 4800 divided by 3 equals <u>1600</u>

Also can you give brainliest to all of your questions bc it really hard to get brainliest and it be really nice you can choose who i dont really care but just please do it it helps a lot

3 0
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The length of a rectangle is 3 times the width. The perimeter is 96 cm. Find the width and length
Gekata [30.6K]
The answer to the question

3 0
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The explicit formula for an arithmetic sequence is an = 20 + (n − 1)(2). What is the 200th term?
Andrews [41]

Answer:

a_{200}=418

Step-by-step explanation:

The explicit formula for an arithmetic sequence is given by :

a_n=20+(n-1)2 ...(1)

We need to find the 200th term of the sequence.

Put n = 200 in equation (1)

a_{200}=20+(200-1)2\\\\=20+199\times 2\\\\=418

So, the 200th term of the sequence is 418.

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3 years ago
K(t) = 13t - 2 <br><br> k(3) =
taurus [48]
K(3)= 13*3-2= 39 - 2= 37
the answer to the question
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3 years ago
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