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SVETLANKA909090 [29]
3 years ago
13

Nember 1: 2/7 as decimal

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

Number 1: <em>0.28571428571429</em>

Number 2: <em>2.1666666666667</em>

Number 3: <em>0.1875</em>

Number 4: <em>0.75</em>

Number 5: 0.5

Number 6: <em>13.875</em>

Number 7: <em>8.66666666667</em>

Number 8: <em>0.625</em>

Step-by-step explanation:

To get decimal

You have to divide numarator with denominator

2 : 7

5/10 = 5:10 = 0.5

When you have mixed number you have to multiply number not fraction with denominator and then add numarator

2 1/6 = 12 + 1 / 6 = 13/6 = 13 : 6 = 2.1666667

2x6 + 1

It doesn't matter how many numbers you'll add. At the end of the Number is best to add this

_

6

It means that number is repeating. You can still round it tho :-)

We can also say that

6

-- is same as 6:12

12

Solutions:

2/7 = 2:7 = 0.28571428571429

2 1/6 = 12 + 1 / 6 = 13/6 = 13 : 6 = 2.1666667

2x6 + 1

3/16 = 3 : 16 = 0.1875

3/ 4 = 3 : 4 = 0.75

5/10 = 5 : 10 = 0.5

13 7/8 = 104 + 7/8 = 111/8 = 111 : 8 = 13.875

13 x 8

8 10/15 = 120 + 10/15 = 130/15 = 130 : 15 = 8.66667

5/8 = 5:8 = 0.625

Maybe it can seems hard but it's pretty easy! I hope you will read whole explanation :-)

Have a nice day!

<em>P.S.: If you have any questions write me on Amino Ayleena :-) </em>

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Si el área de una figura rectangular esta dada por A-bxh,¿cual es la siguiente expresiones representa el área de la puerta
stealth61 [152]

Respuesta:

3x² + 5x - 2

Explicación paso a paso:

Dado que :

Área del rectángulo, A = largo * ancho

Dimensión = 3x - 1; x + 2

Área = (3x - 1) * (x + 2)

Área = 3x² + 6x - x - 2

Área = 3x² + 5x - 2

8 0
3 years ago
A chemist is using 333 milliliters of a solution of acid and water. If 19.6% of the solution is acid, how many milliliters of ac
sesenic [268]

65.27mm of acid is present in solution.

Step-by-step explanation:

Given,

Quantity of solution = 333mm

Acid Percentage = 19.6%

Quantity of acid = 19.6% of Quantity of Solution

Quantity\ of\ acid=\frac{19.6}{100}*333\\Quantity\ of\ acid=\frac{6526.8}{100}\\Quantity\ of\ acid=65.27mm

65.27mm of acid is present in solution.

Keywords: Percentage

Learn more about percentages at:

  • brainly.com/question/10435836
  • brainly.com/question/10541435

#LearnwithBrainly

3 0
3 years ago
Find the slope of the line through the points (3,7) and (5,19)
Sedbober [7]

Answer:

<u>1</u><u>2</u>

2

Step-by-step explanation:

(3,7)(5,19)

(x,y)(x,y)

<u>y2</u><u>(</u><u>1</u><u>9</u><u>)</u><u>-</u><u> </u><u>y1</u><u>(</u><u>7</u><u>)</u>

x2(5)-x1 (3)

formula. <u>y2-y1</u>

x2-x1

7 0
3 years ago
The rate at which a duck gains weight is proportional to the difference between its adult weight and its current weight. At time
kogti [31]
DB/dt = 1/5(100 - B)
5/(100 - B) dB = dt
-5 ln (100 - B) = t + C
Since B(0) = 20, then
-5 ln (100 - 20) = C
i.e. C = -5 ln 80

Thus -5 ln (100 - B) = t - 5 ln 80
or t = 5 ln 80 - 5 ln (100 - B) = 5 ln (80 / (100 - B))

When the weight = 40 grams
t = 5 In (80 / 100 - 40) = 5 In (80 / 60) = 5 ln (4/3) = 1.438 days
Rate of weight gain = 40 / 1.438 = 27.8 grams per day

When the weight = 70 grams
t = 5 ln (80 / 100 - 70) = 5 ln (80 / 30) = 5 ln (8/3) = 4.9 days
Rate of weight gain = 70/4.9 = 14.27 grams per day.

Therefore, the duck gains weight faster when it weighs 40 grams.
6 0
3 years ago
Find the zeros of the function. Enter the solutions from least to greatest.<br> f(x) = (x - 8)^2 - 9
Daniel [21]

Answer:

Step-by-step explanation:

The zeros of the function can be found by factoring. Since this has already been started with completing the square, we will just pick up from where it was left and finish factoring. Set the quadratic equal to 0 first.

(x-8)^2-9=0 then move over the 9:

(x-8)^2=9 "undo" the squaring by square rooting both sides to get

x - 8 = ±3. And then add over the 8 to get the solutions

x = 8 + 3 and x = 8 - 3. The solutions, then, are

x = 5 and x = 11

8 0
3 years ago
Read 2 more answers
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