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Svetllana [295]
2 years ago
11

Will mark as BRAINLIEST:) A wire is first bent into the shape of a rectangle with width 7 cm and length 11 cm. Then the wire is

unbent and reshaped into a square. What is the length of
side of the square?
Mathematics
2 answers:
Doss [256]2 years ago
5 0

Answer: 9 cm

Step-by-step explanation:

First, find the length of the wire by finding the perimeter of the rectangle

2(7) + 2(11) = 36 cm

A square has 4 equal sides, therefore:

36/4 = 9 cm is the length of the side

olganol [36]2 years ago
5 0

Answer:

9cm

Step-by-step explanation:

The length of the wire = the perimeter of the rectangle = (7 + 11) x 2 = 36cm

Because A square has 4 equal sides: 36/4 = 9cm = the side of the square

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How is 2-2×6+3=-7?<br>The answer to this question​
alekssr [168]

Answer:

PEMDAS

Step-by-step explanation:

Using PEMDAS or the order of operations, you first multiply 2 by 6

2-2×6+3

2-12+3  

Then you can go in any order since addition and subtraction take the same precedence.

-10+3=-7

5 0
3 years ago
Mopeds (small motorcycles with an engine capacity below 50cm3) are very popular in Europe because of their mobility, ease of ope
d1i1m1o1n [39]

Answer:

a) 96.64% probability that maximum speed is at most 50 km/h

b) 24.67% probability that maximum speed is at least 48 km/h

c) 86.64% probability that maximum speed differs from the mean value by at most 1.5 standard deviations

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 46.8, \sigma = 1.75

A. What is the probability that maximum speed is at most 50 km/h?

This is the pvalue of Z when X = 50. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{50 - 46.8}{1.75}

Z = 1.83

Z = 1.83 has a pvalue of 0.9664

96.64% probability that maximum speed is at most 50 km/h.

B. What is the probability that maximum speed is at least 48 km/h?

This is 1 subtracted by the pvalue of Z when X = 48.

Z = \frac{X - \mu}{\sigma}

Z = \frac{48 - 46.8}{1.75}

Z = 0.685

Z = 0.685 has a pvalue of 0.7533

1 - 0.7533 = 0.2467

24.67% probability that maximum speed is at least 48 km/h.

C. What is the probability that maximum speed differs from the mean value by at most 1.5 standard deviations?

Z = 1.5 has a pvalue of 0.9332

Z = -1.5 has a pvalue of 0.0668

0.9332 - 0.0668 = 0.8664

86.64% probability that maximum speed differs from the mean value by at most 1.5 standard deviations

6 0
3 years ago
Find the center of the circle that you can circumscribe about EFG, when E(2, 6), F(2, 2), and G(8, 2).
Vlad1618 [11]
After plotting all the points, the only one that makes sense is (4,3).

7 0
3 years ago
Yes or no??<br> math workk
snow_lady [41]

Answer:

Yes, and if you need extra help try yay math

Step-by-step explanation:

3 0
3 years ago
the tigers won twice as many football games as thwy lost. They played 96 games. how many games did they win
emmainna [20.7K]
You do 96 divide by 2 which is 48
your answer is 48 
<span>they  win 48 times
hope i helped!!</span>
4 0
3 years ago
Read 2 more answers
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