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BaLLatris [955]
3 years ago
7

A decorative wall in a garden is to be built using bricks that are 5 1/2 inches thick and mortar joints are 1/4 inch thick. What

is the height of the wall?
Mathematics
1 answer:
podryga [215]3 years ago
3 0

Step-by-step explanation:

how many layers of bricks are used ?

also, I assume, the thickness of bricks means actually their height when laid.

but still, I cannot answer that, as nothing indicates if there is only one layer of bricks or 2 or 3 or 4 or ...

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The Westminster Widget Company has an old machine that can produce 50 widgets in five hours. Now they have purchased a
Norma-Jean [14]

<u>Answer: </u>

If they worked together it would take 4 hours for the machines to produce 100 widgets

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

w = widgets     hr = hour     ph = per hour

Old machine - 50w = 5hr = 10ph

New machine - 30w = 2hr = 15ph

Old machine - 20w = 2hr

New machine - 30w = 2hr

<h3>Together  - 50w = 2hr x 2 </h3><h3>              Final:  100w = 4hr</h3>

     I hope this helped!

8 0
2 years ago
On a school field​ trip, the bus travels 20 miles in 30 minutes. Find the speed of the bus in miles per hour. Use the equation d
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Answer:

40mph

Step-by-step explanation:

Using D = rt, the current variables we have are

D = 20 miles

t = 30 minutes

Since the goal is rate, we alter the equation to r = D/t.

In addition, we have to convert minutes into hours so we can

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r = (40/60)

60 minutes is converted into an hour so the rate <em>r</em> is 40 miles per hour.

r = 40/1

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3 years ago
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Answer:

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Step-by-step explanation:

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