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IRISSAK [1]
3 years ago
7

Solve for n: 0.22n = 6.6. ​

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
3 0

Answer:

30

Step-by-step explanation:

Solve for n: 0.22n = 6.6.

  1. 6.6/0.22 (because for example 3/3 and n/n= 1 so 0.22/0.22 = 1 so we have to divide 6.6 since it is part of the equation and we have to do it on both sides.)
  2. =30

​

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Step-by-step explanation:

1×100000+2×10000+9×1000+9×100+8×10+2×1

=100000+20000+9000+900+80+2

7 0
2 years ago
If x/y=5/8 state whether the following is true or false
Valentin [98]

Answer:

they are both true

Step-by-step explanation:

they are both true because of proportionalities

5/8

5x2=10

8x2=16

therefore 5/8=10/16

the second one is also true because they want you to multiply y by 2

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4 years ago
Simplify the product. 2n(n2 + 3n + 4)
Monica [59]

Answer:

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2n(n2 + 3n + 4)

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7 0
4 years ago
Pls help I will give you a crown pls 13 points
boyakko [2]

Option C: y = \frac{1}{2}x+\frac{5}{2} is the right answer

Step-by-step explanation:

Given points are:

(x1,y1) = (-1,2)

(x2,y2) = (3,4)

First of all, the slope has to be found

m =\frac{y_2-y_1}{x_2-x_1}\\=\frac{4-2}{3+1}\\= \frac{2}{4}\\=\frac{1}{2}

The slope-intercept form of line is:

y = mx+b

Putting the value of m

y = \frac{1}{2}x+b

Putting (3,4) in equation

4 = \frac{1}{2}(3) +b\\4 = \frac{3}{2} +b\\b = 4 - \frac{3}{2}\\= \frac{8-3}{2}\\=\frac{5}{2}

Putting the value of b

y = \frac{1}{2}x+\frac{5}{2}

Hence,

Option C: y = \frac{1}{2}x+\frac{5}{2} is the right answer

Keywords: Equation of line, slope

Learn more about equation of line at:

  • brainly.com/question/2116906
  • brainly.com/question/2131336

#LearnwithBrainly

4 0
3 years ago
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