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I am Lyosha [343]
2 years ago
10

What is the value of a in the equation 38+ B equals 54 would b equals nine

Mathematics
1 answer:
Igoryamba2 years ago
4 0

Answer:

If you want to know what b is then it is 16

Step-by-step explanation:

38 + b = 54

54- 38 = 16

38 + 16= 54

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Find the unit rate: 6 and 2/5 rotations in 2 and 2/3 seconds.
GrogVix [38]
I'd suggest you write "6 2/5," not "6 and 2/5."

6 2/5 rotations
-------------------- = 
2 2/3 seconds

32
---
 5            32       3
------- = ------ * -----
 8              5       8                 Reduce that 32/8:  obtain 4.
---
 3

Then we have

4(3)/5, or 12/5 rotations per sec.
4 0
3 years ago
55 and 45 find the the percent decrease round to the nearest whole number
Helen [10]

Answer:

18.18%

Step-by-step explanation:

55-45=10

10/55=0.18

5 0
3 years ago
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Helga [31]

Answer:

#1 - Two complementary angles with measures that have a sum of 90.

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#6 - an angle with a measure of anything less than 90 degrees.

#7 - an angle with a measure of anything greater than 90 degrees.

These all should be right :)

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7 0
3 years ago
the rectangular top of Kathleen's desk has a length of 24 inches and a width of 17 inches. What is the area of the top of Kathle
Olin [163]

Answer:

28

Step-by-step explanation:

7 0
2 years ago
In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

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So 161700 ways.

6 0
3 years ago
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