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TiliK225 [7]
3 years ago
14

What would be a reasonable estimate for 7m = 91

Mathematics
2 answers:
AlekseyPX3 years ago
8 0

M= 13

Divide 91 by 7

You should get 13. Hope this helps

blsea [12.9K]3 years ago
8 0

A reasonable estimate for 7m = 91 would be 13.

7 times 13 = 91

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2 less than four times a number is equal to twice a number increase by 8 write an equation and solve to find the value of x
Tom [10]
4x - 2 = 2x + 8
2x -2 = 8
2x = 10
x = 5

4(5)-2 = 2(5)+8
20-2 = 10+8
18 = 18
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4 years ago
A company loses $5,400 as the result of a manufacturing defect. The 8 owners of the company must share the loss equally. What is
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Change in profit = x - (5,400/8)
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3 years ago
A common tub is 54 inches long. What could be its length in centimeters? (1 inch = 2.54 cm)
ddd [48]

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137.16 cm

Step-by-step explanation:

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5 0
3 years ago
There are 7 acts in a talent show.
lara31 [8.8K]

Answer:

<u><em></em></u>

  • <u><em>Event A: 1/35</em></u>
  • <u><em>Event B: 1/840</em></u>

<u><em></em></u>

Explanation:

<u>Event A</u>

For the event A, the order of the first 4 acts does not matter.

The number of different four acts taken from a set of seven acts, when the order does not matter, is calculated using the concept of combinations.

Thus, the number of ways that the first <em>four acts</em> can be scheduled is:

          C(m,n)=\dfrac{m!}{n!(m-n)!}

         C(7,4)=\dfrac{7!}{4!(7-4)!}=\dfrac{7!}{4!(3)!}=35

And<em> the number of ways that four acts is the singer, the juggler, the guitarist, and the violinist, in any order</em>, is 1: C(4,4).

Therefore the<em> probability of Event A</em> is:

           P(A)=1/35

Event B

Now the order matters. The difference between combinations and permutations is ordering. When the order matters you need to use permutations.

The number of ways in which <em>four acts </em>can be scheculed when the order matters is:

           P(m,n)=\dfrac{m!}{(m-n)!}

         P(m,n)=\dfrac{7!}{(7-4)!}=P(m,n)=\dfrac{7!}{4!}=840

The number of ways <em>the comedian is first, the guitarist is second, the dancer is third, and the juggler is fourth</em> is 1: P(4,4)

Therefore, <em>the probability of Event B</em> is:

            P(B)=1/840

7 0
4 years ago
At a local college 100 students were asked about their major fields of study. The results are shown below. What is the probabili
Oksanka [162]

Answer:

7/10

Step-by-step explanation:

To find the probability that a student is a liberal arts or female, we have to add together all of the people who were female or liberal arts majors in the study. If we add those together, (15 + 18 + 17 + 20) we get 70. 70/100 can be simplified to 7/10.

5 0
3 years ago
Read 2 more answers
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