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2 years ago

For which inequality is x = 5 a solution

Mathematics

1 answer:

vesna_86 [32]2 years ago

6 0

Answer:

4<x<6

Step-by-step explanation:

4 is smaller than x

and x is samller than 6

so its 5

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On Monday 4 bricklayers took 3 hours to lay a total of 4200 bricks.

lisabon 2012 [21]

<h2>Hello!</h2>

The answer is:

It will take 4.5 hours for two bricklayers to lay a total of 3150 bricks.

From the statement, we know that on Monday, bricklayers took 3 hours to lay a total of 4200 bricks.

So, we have that the rate of the four bricklayers is given by the following equation:

$Production=Rate*Time\\\\Rate=\frac{Production}{time}$

$Rate=\frac{4200bricks}{3hours}=\frac{1400bricks}{hour}$

Therefore, we have that the rate of the four bricklayers is 1400 bricks per hour, meaning that each bricklayer can lay 350 bricks per hour.

Now, to calculate how many hours it will take to the 2 bricklayers to lay a total of 3150, we need to divide the calculated rate (for bricklayers) by two, since there are only 2 bricklayers working on Tuesday.

So, calculating the time, we have:

$Production=\frac{Rate}{2}*Time$

$3150bricks=\frac{\frac{1400bricks}{hour}}{2}*Time$

$3150bricks*2*\frac{1hour}{1400bricks}=Time$

$6300bricks*\frac{1hour}{1400bricks}=Time$

$Time=4.5hours$

Hence, we have that it will take 4.5 hours for two bricklayers to lay a total of 3150 bricks.

Have a nice day!

7 0

3 years ago

Abc - ab = a = 2, b = 1, c = 3

Gelneren [198K]

Answer:

Step-by-step explanation:

(2x1x3) - (2x1) =

6 - 2 = 4

7 0

3 years ago

Which box plot correctly displays the data set with a maximum of 48, a minimum of 27, a median of 36, an upper quartile of 45, a

Vitek1552 [10]

Answer:

Image 1

Step-by-step explanation:

To answer this question, we need to know how to use a box plot.

I've attached an image that demonstrates this well and can teach you what each part of the box plot means.

Specifically, the 2 farthest dots at the end are the minimum and maximum. The two sides where the box starts are the lower and upper quartiles. Finally, the line in the middle of the box is the median.

With this, we can analyze each box plot and determine which one is correct.

Box Plot 1: Everything is plotted correctly- Maximum and minimum plotted correctly, median plotted correctly, upper and lower quartile plotted correctly.

Box Plot 2: Everything plotted correctly EXCEPT maximum of 48 is represented at 46.

Box Plot 3: Everything plotted correctly EXCEPT the upper quartile of 45 is at 39.

Box Plot 4: Upper quartile represented at 39 and maximum represented at 46 are both incorrect.

4 0

2 years ago

Show all four symbols of multiplication using the variables a/b

OlgaM077 [116]

Answer:

Multiplication Symbols:

1. Times ×

2. Dot ⋅

3. Parentheses ()

4. Variables next to each other ab

Step-by-step explanation:

The symbols can be used like this...

Times: a × b = c

Dot: a ⋅ b = c

Parentheses: (a)(b) = c

Variables next to each other: ab = c

5 0

3 years ago

How can I get to 75 using 7 5 6 3

eduard

63+5+7=75

Hope this helps

4 0

3 years ago

Read 2 more answers