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3 years ago

-3 5/6 - 4 3/8Please help

Mathematics

1 answer:

olga2289 [7]3 years ago

8 0

-197/24 is the correct answer.

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A high speed elevator can rise 480 feet in 30 seconds. which expression represents the rate, in feet per minute, of the elevator

AleksAgata [21]

R = 960x ft/min

Explaination : 960 is the rate at which the elevator will rise in a minute, while the 'x' represents the amount of minutes passed. Finally the label in the end clarify the units of measure.

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3 years ago

Suda çözündüklerinde H* iyonu verebilen

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3 years ago

-8z+(4.5)+3.5z+7y-1.5

bogdanovich [222]

Answer:

$\boxed{\sf{7y+3-4.5z}}$

Step-by-step explanation:

In order to combine like terms, you have to isolate x and y from one side of the equation.

$\sf{-8z+\left(4.5\right)+3.5z+7y-1.5}$

First, thing you do is remove parentheses.

$\Longrightarrow: \sf{-8z+4.5+3.5z+7y-1.5}$

Solve.

Then, you combine like terms.

$\Longrightarrow:\sf{-8z+3.5z+7y+4.5-1.5}$

Add/subtract the numbers from left to right.

-8z+3.5z=-4.5z

Rewrite the problem down.

$\Longrightarrow: \sf{-4.5z+7y+4.5-1.5}$

Solve.

4.5-1.5=3

$\Longrightarrow: \boxed{\sf{7y+3-4.5z}}$

Therefore, the correct answer is 7y+3-4.5z.

I hope this helps, let me know if you have any questions.

6 0

1 year ago

Please help me with these 6 through 10 :)

drek231 [11]

6.) constant = 75

7.) open sentence = 6 + 22 = 28

8.) equation = 17 + b = 47

9.) solution = when x + 37 = 62, x = 25

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2 years ago

Gina made tables of values to solve a system of equations.

Jet001 [13]

What’s the question

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3 years ago

-3 5/6 - 4 3/8Please help​

-3 5/6 - 4 3/8Please help