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alexira [117]
3 years ago
9

How do you solve -2/3(12c-9)+14c

Mathematics
1 answer:
Oliga [24]3 years ago
6 0
You can't solve it, but you can simplify it
-2/3 * (12c - 9) + 14c = -2/3*12c - (-2/3)*9 + 14c = -8c + 6 + 14 c = 6c + 6 
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There are 4 boys and 2 girls from the seventh grade and 3 boys and 5 girls from the eighth grade in the math club. The math club
inna [77]

Answer:

5/24 or 20.8%

Step-by-step explanation:

 

Probability that the 7th grader is a boy = number of boys/(total kids) = 4/(4+4) = 1/2

 

Probability that the 8th grader is a boy = 5/(5+7) = 5/12

 

Probability that both are boys = 1/2*(5/12) = 5/24 or 20.8%

7 0
3 years ago
5) A qué % anual se prestó un capital de 1700 soles que en 1 año y 3 meses ha producido 255 soles de interés?
patriot [66]

Answer:

12%

Step-by-step explanation:

Interés simple = Principal × Tasa × Tiempo

Tasa = Interés simple / Principal × Tiempo

Principal = 1700 soles

Tiempo = 1 año y 3 meses

12 meses = 1 año

3 meses = 3/12 = 1/4 = 0.25

Tiempo = 1.25 años

Tasa = 255 /1700 × 1.25

= 0.12

= 0.12 × 100

= 12%

7 0
3 years ago
Please help me that’s would be great and I promise to mark brainlest!!
defon

Option A is correct.

If we evaluate the function at x=0, i.e. at the beginning, we have

f(0)=75 \cdot 2^0 = 75 \cdot 1 = 75

with each minute, you multiply the current number of cell by 2, so they double every minute.

Option B is incorrect, because if the number of cells increases by 2 every minute, the function would be

f(x) = 75 + 2k

Option C is incorrect, because after one minute (i.e. when x=1) we have

f(1) = 75\cdot 2^1 = 75 \cdot 2 = 150

cells, so 75 is not the number of cells after one minute

Option D is incorrect in both the initial value and the behaviour of the function

6 0
3 years ago
Which of the following shows a number in fraction form? A. 3 B. 3.7 C. 3 ∕7 D. √2
kumpel [21]
C because u have 3/7 which is a fraction
7 0
2 years ago
Read 2 more answers
What are the solutions for f(x)g(x)
krek1111 [17]

Answer:

  x = -1, 1

Step-by-step explanation:

The solutions to f(x) = g(x) are the x-values where the two functions have the same value.

The functions are both 1 when x = -1.

The functions are both -7 when x = 1.

The two solutions are x = -1, x = 1.

6 0
2 years ago
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