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3 years ago

Helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

Mathematics

1 answer:

kobusy [5.1K]3 years ago

7 0

Answer:

2. -1/3x > 12

3. 5+x > 7

4.10-x < 30

5. 2+5x ≤ 3

6.6-2x ≥ 17

Step-by-step explanation:

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Evaluate: 4+8\div2\times \left(6-3\right)<br> 18<br> 25<br> 16<br> 33

morpeh [17]

<em>Answer:</em>

$16$

<em>Step-by-step explanation:</em>

$4+8\div \:2\times \left(6-3\right) =4+8\div \:2\times \:3 =4+12 =16$

<h3><em>Hope I helped you!</em></h3><h3><em>Success!</em></h3>

<em>by a romanian guy...</em>

4 0

3 years ago

Paul can install a 300 hundred square foot hardwood floor in 18 hours. Matt can install the same floor in 22 hours. How long wou

Vadim26 [7]

ANSWER

Paul and Matt will take
$9.9 \: \: hours$
to install the floor working together.

EXPLANATION

First, calculate Paul's rate, which is

$= \frac{1}{18}$

Next, calculate Matt's rate, which is,
$= \frac{1}{22}$

Let us assume that, Paul and Matt took
$x \: hours$
to do the work together.

Then, the rate of working together is,

$= \frac{1}{x}$

Now, add the individual rates and equate to the rate of working together to form an equation that will help us solve for x.

$\frac{1}{18} + \frac{1}{22} = \frac{1}{x}$

Simplify the left hand side

$\frac{11 + 9}{198} = \frac{1}{x}$

$\frac{20}{198} = \frac{1}{x}$

We reciprocate both sides to get (You could have also done cross multiplication).

$\frac{198}{20} = \frac{x}{1}$

$x = 9.9 \: hours$

7 0

3 years ago

Jason is collecting coins from different countries around the world. He currently has coins from 105 countries and plans to add

BlackZzzverrR [31]

Answer:

15 equation: 195=105+6x

Step-by-step explanation:

he starts out with 105 and the rate of change is 6x so to get the answer u wanna make and equation (195=105+6x) then you would subtract the 105

195=105+6x

-105 -105

---------------------

90=0 +6x

then u would divide by 6

90/6=6x/6

x=15

3 0

3 years ago

Read 2 more answers

A water pipe is 4 7/12 feet beneath the surface of the road. What is the elevation of the pipe, in feet, expressed as a decimal?

Andrej [43]

The answer is C. U just have to divide 7 and 12 to get your decimal

8 0

3 years ago

Write a function that represents the situation. Let t represent the time in years. You deposit $800 in an account that earns 7%

Anna35 [415]

Answer:

pretty sure it's 56 I could be wrong though

3 0

2 years ago