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3 years ago

Which expression is equivalent to 12x – 20 – 5(x – 3)

Mathematics

1 answer:

Naddik [55]3 years ago

3 0

7x-5 combine like terms order off operations hope this helped

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Mrs Franklin's speedometer said she was driving at a rate of 48 miles per hour. When checking the accuracy of her speedometer, a

Ket [755]

The percent error is 4.167 %

Solution:

Given that, Mrs Franklin's speedometer said she was driving at a rate of 48 miles per hour

When checking the accuracy of her speedometer, an Automotive Specialist recorded her speed at 50 miles per hour

The percent error is given by formula:

Percent error is the difference between a measured and known value, divided by the known value, multiplied by 100%

$\text{Percent error } = \frac{\text{experimental-theoretical}}{theoretical} \times 100$

From given,

Experimental value = 50

Theoretical value = 48

Substituting the values in formula, we get,

$Percent\ Error = \frac{50-48}{48} \times 100\\\\Percent\ Error = \frac{2}{48} \times 100\\\\Percent\ Error = 4.167$

Thus the percent error is 4.167 %

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3 years ago

Megan bikes 10 mi in 40 min. At this rate, how far can she bike in 60 min?

Anna71 [15]

I'd say 35-40 miles...

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3 years ago

Rigid motion transformations produce images that:

igomit [66]

C. Moved to a different location but congruent in size and shape.

Rigid motion transformations are when a shape is moved, rotated, reflected, or any other type of transformation but the size and shape stay the same.

Non-rigid is when an object is moved but the size and shape can change.

Hope this helps :))

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3 years ago

WILL MARK BRAINLIST On the coordinate plane below, plot and label each point.

kogti [31]

Red is the positive integers and blue is the negative integer.

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3 years ago

Can you please help me??

Agata [3.3K]

Answer:

y value is-8

x value is-8✓2

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3 years ago