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Pachacha [2.7K]
2 years ago
15

Find each unit rate. Show your work 45.5 meters in 13 seconds

Mathematics
2 answers:
Bingel [31]2 years ago
6 0

let's find unit rate :

  • \dfrac{45.5}{13}

  • 3.5 \: ms {}^{ - 1}
LenKa [72]2 years ago
3 0

Answer:

3.5 m/s

Step-by-step explanation:

Divide 45.5 by 13.

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puteri [66]

Answer:

x=4+-2\sqrt{7}

Step-by-step explanation:

To solve, we need to take square root of both sides first:

(x-4)^2=28\\\sqrt{(x-4)^2} =+-\sqrt{28} \\x-4=+-\sqrt{28}

Now we use the property of radical shown below to simplify square root of 28:

Property:  \sqrt{x*y}=\sqrt{x} \sqrt{y}

Now, we have:

x-4=+-\sqrt{28}\\x-4=+-\sqrt{4*7}\\x-4=+-\sqrt{4}\sqrt{7}\\x-4=+-2\sqrt{7}

Now we take 4 to the other side and isolate x:

x-4=+-2\sqrt{7} \\x=4+-2\sqrt{7}

first answer choice is right.

4 0
3 years ago
Read 2 more answers
an angle measures 78 degrees more than the measure of a complementary angle. What is the measure of each angle?
ArbitrLikvidat [17]

X is one angle

X+78 is the second angle

Add them together

2x+78=90

Subtract 78 from both sides

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4 0
3 years ago
B. If the bus continued on from Madison and then traveled to LaCrosse for a total distance of 217 miles,
igomit [66]
The disnatcw would be 540
8 0
2 years ago
Write the numbers 57,000,000,000 and 19,000 in scientific notation. Then show how to divide 57,000,000,000 by 19,000 using prope
LenaWriter [7]

Answer:

the first number is 57 to the ninth power and the second is 19 to the third power, not to sure about the dividing but a quick google search should do the trick

Step-by-step explanation:

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3 years ago
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8090 [49]

Answer:

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Step-by-step explanation:

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3 years ago
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