3 years ago

Which expressions can be represented by the model?

Mathematics

1 answer:

tamaranim1 [39]3 years ago

8 0

Answer:

14x2, 28=2, 10+4+10+4

Step-by-step explanation:

that's all tell me if you got it

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An oarsman can row his boat 3 mph in still water. He sets out on the Illinois River, which flows at 5 mph. We are interested in

Artyom0805 [142]

Answer:

The speed from the observer is 8 mph.

Step-by-step explanation:

When the boat is going downstream with full force, its speed will be the one the oarsman can row on still water added by the flow of the river. In this case he can row the boat at speed of 3 mph, while the stream is 5 mph, so the speed from the observer standpoint is:

$speed = 3 + 5\\speed = 8 \text{ mph}$

The speed from the observer is 8 mph.

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3 years ago

A walkway forms one diagonal of a square playground. The walkway is 18 m long.

olga55 [171]

18m x 4 = 72m

Walkway = 72 meters.

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3 years ago

Find the total weekly earnings for a waitress with a weekly salary of $257 plus a 4% commission on dinners, if the total worth o

ss7ja [257]

The waitress earns $425 weekly.

Work:
Use proportions.
x 4
------- = ------
4,200 100

4,200 x 4 = 16800
100 multiply x = 100x
16800 divided by 100 = 168
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Base salary = $257
$168 + $257 = $425

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3 years ago

Help me plz!

Goryan [66]

Answer:

1,451.61 cm²

Step-by-step explanation:

A = LW

A = 38.1 x 38.1 (since a checkerboard has to be square)

A = 1,451.61

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3 years ago

Determine the value of (2^3)^2.

xz_007 [3.2K]

2^6 is the answer. Multiply the rules because it’s a rule

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3 years ago

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