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svp [43]
3 years ago
7

I only need help with 12 and please tell me how you figured it out

Mathematics
2 answers:
Naddika [18.5K]3 years ago
7 0
There are 24 kids in the classroom
3/4 of the class did their homework
1/4 did not do their homework
18/3=6
6*4=24
Elis [28]3 years ago
5 0
There are 24 kids in the class because 24 multiplied by 3/4=18
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Question below. Please answer it, its math.
AleksAgata [21]

Answer:

- 0.8

Step-by-step explanation:

The first thing we want to do here is simplify the expression -

\frac{3}{5}( 2x + 5 ) - 2x, Distribute the " \frac{3}{5} " to elements within the parenthesis

= \frac{3}{5} * 2x + \frac{3}{5} * 5 - 2x, Focus on simplifying the expression " \frac{3}{5} * 2x + \frac{3}{5} * 5 "

= 2\cdot \frac{3}{5}x+5\cdot \frac{3}{5} - 2x

= \frac{6x}{5}+3 - 2x, Combine fractions

= -\frac{4x}{5} + 3

= -\frac{4}{5}x + 3

So we have our simplified expression "  -\frac{4}{5}x + 3, " with -\frac{4}{5} being the coefficient of x. Our requirements are that this fraction should be expressed as a decimal, so we can simply divide the numerator by the denominator to figure that out,

- 4 / 5 = - 0.8,

Solution = - 0.8

4 0
3 years ago
Write 77^1/10 in the form <br> n√77 where n is a whole number.
Sedaia [141]

Answer:

\sqrt[10]{77}

Step-by-step explanation:

77^\frac{1}{10} is the same as \sqrt[10]{77^1} , or simply \sqrt[10]{77}

4 0
2 years ago
The two lines intersected by the transversal are parallel.what is the value of x?
sattari [20]
I think it’s uhhhh i think it’s uhhh i thinks a carrot
8 0
3 years ago
A color printer can print 36 pages in three minutes in 108 pages in nine minutes if the number of pages varies directly with the
nignag [31]

Answer:

12 pages per minutes

Step-by-step explanation:

36 pages in 3 minutes, so each minutes can print 12 pages

And 108 pages in 9 minutes, which is still 12 pages

So 12 pages per minute

7 0
2 years ago
What are the zeros of the function f(x) = 10x2 + 9x + 2?
Gnom [1K]

Answer:

x = -4/5  and -1/2

Step-by-step explanation:

"Finding zeroes" means find the x-values that make f(x) = 0, so we have...

0 = 10x² + 9x + 2

Use quadratic equation to solve...

x = [-9 ± √(9² - 4(10)(2))]/[2(10)]

x = [-9 ± √(81 - 80)]/20

x = [-9 ± √1]/20

x = [-9 ± 1]/20

x = (-9 + 1)/20    and (-9 - 1)/20

x = -8/20      and -10/20

x = -4/5  and -1/2

8 0
3 years ago
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