3 years ago

Mr. Smith set aside 5/6 of an hour for homework after school each day. How many hours of homework does he do in 5 days?

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

6 0

The answer is 1/2 hours

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4x-11y=68 ; 6x+5y=-27 by elimination

zimovet [89]

Answer:

$x=\frac{1}{2}\\\\y=-6$

Step-by-step explanation:

Given the following system of equations:

$\left \{ {{4x-11y=68} \atop {6x+5y=-27}} \right.$

In order to solve the system of equations using the Elimination Method, you can follow these steps:

- Multiply the first equation by -6 and the secondd equation by 4.

- Add both equations.

- Solve for "y".

Then:

$\left \{ {{-24x+66y=-408} \atop {24x+20y=-108}} \right\\.........................\\86y=300\\\\y=\frac{-516}{86}\\\\y=-6$

- Substitute the value of "y" into one of the original equations and solve for "x":

$6x+5(-6)=-27\\\\6x=-27+30\\\\x=\frac{3}{6}\\\\x=\frac{1}{2}$

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How do u write One fifth the difference of 5 and b

ivanzaharov [21]

Answer:5-b=1/5

Step-by-step explanation:

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In a right angled triangle, the two sides forming a right angle measure 8cm and 6cm. Area of this triangle is

Solnce55 [7]

<h3>Answer: 24 square cm</h3>

Work Shown:

base = 8, height = 6

area = (1/2)*base*height

area = (1/2)*8*6

area = 0.5*8*6

area = 4*6

area = 24

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On a map of North Carolina has a scale of 1 in = 60 miles. If from Charlotte to

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Answer:

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Step-by-step explanation:

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Chad know 5 out of every 50 students has blue eyes there are 660 students in the school how many students have blue eyes

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$\frac{5}{50} = \frac{x}{660} \\ x = 66$

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3 years ago