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katen-ka-za [31]
3 years ago
14

Solve the following please

Mathematics
2 answers:
Bumek [7]3 years ago
7 0

Answer:

4

Step-by-step explanation:

7+2x÷3=5

7+2x=5*3

7+2x=15

15-7=2x

8=2x

x=8÷2

x=4

Dima020 [189]3 years ago
5 0

Answer:

x=4

Step-by-step explanation:

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How to write 8% as ratio in simplest form
dusya [7]

Answer:8:100

Step-by-step explanation:

Because the 8% is out of 100

3 0
3 years ago
Pls help math question
Anna007 [38]

Answer:

Year 2004

Step-by-step explanation:

Population of a country in year 1995 = 286

Model that expresses the growth rate of the population is,

P(t) = 286(1.009)^{t-1995}

Here, t = year

a). For P = 311 million people

   311 = 286(1.009)^{t-1995}

   \text{log}(\frac{311}{286})=\text{log}(1.009)^{t-1995}

   log(311) - log(286) = (t - 1995)log(1.009)

   2.4928 - 2.4564 = (t - 1995)(0.00389)

   \frac{0.03639}{0.00389}=t-1995

   t = 1995 + 9.4

   t = 2004

In year 2004 population of the country will be 311.

5 0
3 years ago
1. In a basket, there are white and red balls. What is the smallest number of balls you need to take out of the basket so that t
hjlf

Answer:

  1. 3
  2. 7
  3. 7

Step-by-step explanation:

1. In 2 draws, you can get one of each, so a minimum of 3 draws will guarantee at least 2 of one color.

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2. A minimum of 3 socks must be drawn to ensure one pair. A minimum of 2 must be drawn to ensure an additional pair. For three pairs, 7 socks must be drawn.

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3. The first 5 balls drawn could be white, so an additional 2 must be drawn to ensure 2 red balls. To be sure of 2 red balls, 7 balls must be drawn.

6 0
3 years ago
Which of the following equations is equivalent to 3(2p + 4) - (3p - 4) = 43?
emmainna [20.7K]
Answer: (use distributive property then add the like terms)
3(2p + 4) - (3p - 4) = 43
6p + 12 - 3p - 4 = 43
3p - 8 = 43
6 0
3 years ago
A small group of students are aged 12, 14, 12, 15, 14, 13, 12, 12. What is their mean age?
Ilia_Sergeevich [38]

Answer:

12

Step-by-step explanation:

12 is the most number in the equation

5 0
3 years ago
Read 2 more answers
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