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2 years ago

38% of 1200 Otto middle school students are 6th how many auto students are sixth graders

Mathematics

1 answer:

kramer2 years ago

6 0

Answer:

456 students

Step-by-step explanation:

38% = 0.38

1200 x 0.38 = 456

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A student wrote a photography manual which she plans to sell online for $ 13 per copy. Her total expenses were $ 55. Write a lin

finlep [7]

Answer:

y = 13x - 55

Step-by-step explanation:

So this is what we know

Selling price = $13 per copy

Expenses = $55

The formula for profit in this case is:

Profit = total selling price - expenses

In which y is the profit

The total selling price is 13x. x here is for the number of manuals she sells

The expenses are $55.

This then becomes y =13x - 55

HOPE THIS HELPED

5 0

3 years ago

Jacqui ran 3.5miles in 29 3/4 minutes. how long did it take her to complete each mile?

Gemiola [76]

8.5 miles/minute. You divide

4 0

2 years ago

What are 5 expressions that are equivalent to 12x4 exponent

ser-zykov [4K]

Given expression: 3x+9

Take 3 outside from the expression, we get,

= 3(x+3), which is called the equivalent expression

5 0

2 years ago

What is the reciprocal of 5/8

V125BC [204]

The reciprocal of 5/8 is 8/5 all you have to do is flip it.
so if you are looking for the reciprocal to 2, then it is 1/2 because of the fraction properties

7 0

3 years ago

Find all complex solutions of 7x^2-7x+3=0

Sedaia [141]

Answer:

The complex solutions are

$x = (\frac{7-\sqrt{35} i }{42} , ) x = \frac{7 + \sqrt{35} i }{42})$

Step-by-step explanation:

Step(i):-

Given equation 7 x² - 7 x +3=0

$x = (\frac{-b -\sqrt{b^{2}-4ac } }{2ac} , \frac{-b +\sqrt{b^{2}-4ac } }{2ac})$

Given standard equation

a x² +b x +c =0

a = 7 , b= -7 and c=3

Step(ii):-

$x = (\frac{-(-7) -\sqrt{(-7)^{2}-4(7)(3) } }{2(7)(3)} , \frac{-(-7) +\sqrt{(-7)^{2}-4(7)(3) } }{2(7)(3)})$

$x = (\frac{7-\sqrt{(49-84 } }{42} , \frac{7 +\sqrt{(49-84 } }{42})$

$x = (\frac{7-\sqrt{35i^{2} } }{42} , \frac{7 + \sqrt{35i^{2} } }{42})$

$x = (\frac{7-\sqrt{35} i }{42} , \frac{7 + \sqrt{35} i }{42})$

8 0

2 years ago