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iogann1982 [59]

3 years ago

12

What is 18/72 + 12/42

1 answer:

expeople1 [14]3 years ago

4 0

.53571429 exactly but if you want to round the answer is different

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What is the equivalent expression for 2/3÷4/5

Aliun [14]

2/3÷4/5
2/3*5/4
10/12
5/6

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3 years ago

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What is the probability of spinning an even number?

Anestetic [448]

6 out of 10 or 3 out of 5

4 0

3 years ago

Two skaters are racing toward the finish line of a race. The first skater has a 40 meters lead and is traveling at a rate of 12

antoniya [11.8K]

Distance between two skaters=40
difference in speed=2 m/sec

time=distance/time
=40/2
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3 years ago

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A scalar and matrix multiplication problem

pentagon [3]

Answer:

$\left[\begin{array}{ccc}-32\\4\\20\\-36\end{array}\right]$

Step-by-step explanation:

The product of a scalar times the matrix involves the product of that scalar times each of the elements of the matrix, resulting on the multiplication by "-4" of each of the four elements as shown below. These new product values end up being the new matrix elements.

$-4*\left[\begin{array}{ccc}8\\-1\\-5\\9\end{array}\right] = \left[\begin{array}{ccc}-32\\4\\20\\-36\end{array}\right]$

5 0

4 years ago

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20 POINTS HELP :)))))))))))))))))))))))))))))))))

noname [10]

12.6j + 8 = 10.2j + 4.4

2.4j = -3.6

j = -1.5

Hope this helps! ;)

8 0

3 years ago

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