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Brums [2.3K]
3 years ago
9

Find the whole. 140% of____ is 56. for homework i need help asap

Mathematics
1 answer:
lianna [129]3 years ago
3 0

Answer:

40

Step-by-step explanation:

140 percent (calculated percentage %) of what number equals 56? Answer: 40.

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Sam took 4 courses last semester: Calculus, Biology, History, and Physics. The means and standard deviations for the final exams
frutty [35]

Answer:

Calculus

Step-by-step explanation:

Calculus: z = (94-70)/12 = 2

Bio: z = (74.5-77)/10 = -0.25

History: z = (45-53)/16 = -0.5

Physics: (70.5-60)/14 = 0.75

8 0
3 years ago
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. Asking 100 students at a large university for their opinions on campus life is an example of measuring a _____.
Slav-nsk [51]

Answer:

B

Step-by-step explanation:

I am assuming that the university has much more than 100 students so 100 people is just a small sample.

3 0
3 years ago
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Complete the table<br> Original Price:?<br> Percent of Discount: 25%<br> Sale Price: $40
BigorU [14]

Answer:

<u><em>The original price would be 50$.</em></u>

Step-by-step explanation:

To find this answer you have to divide 25% by 100, which equals 0.25.  Now multiply 0.25 by 40 and you get 10$.  Since 10$ was the discount, you just add 10$ + 40$, therefore 50$ is the original price.

8 0
3 years ago
An investment website can tell what devices are used to access their site. The site managers wonder whether they should enhance
lbvjy [14]

Answer: a)  Unimodal and symmetric

b) 0.26

c) 0.038

Step-by-step explanation:

Given: Sample size of investors (n)= 131

True proportion of smartphone users(p)  =26%

a) Since sampling distribution for the sample proportion is approximately normal when n is larger.

Normal distribution is Unimodal and symmetric.

So correct option : Unimodal and symmetric

b)  mean of this sampling​ distribution = p = 0.26

c)  standard deviation of the sampling​distribution = \sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.26\times (1-0.26)}{131}}=\sqrt{0.00146870229008}

=0.0383236518364\approx0.038

6 0
3 years ago
Which answer choice correctly completes the sentence The problem solving plan is a method to A.Show all your work in math. B. Gi
Dovator [93]

Answer:

C. Make solving a word problem easier.

Step-by-step explanation:

5 0
3 years ago
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