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Scrat [10]
2 years ago
14

Which values of a, b, and c correctly represent the answer in simplest forrn?

Mathematics
1 answer:
Vlad [161]2 years ago
3 0

Answer:

The equation becomes

1\frac{7}{19}=a\frac{b}{c}

Therefore,

  • a = 1
  • b = 7
  • c = 19

Hence, option (C) is true.

Step-by-step explanation:

Given the expression

3\frac{1}{4}\div 2\frac{3}{8}\:=a\frac{b}{c}

Solving the L.H.S of the equation

3\frac{1}{4}\div \:2\frac{3}{8}=\frac{13}{4}\div \:2\frac{3}{8}

               =\frac{13}{4}\times \frac{8}{19}

               =\frac{13\times \:2}{1\times \:19}

                =\frac{26}{1\times \:19}

                 =\frac{26}{19}

Converting improper fraction to a fixed number: \frac{26}{19}=1\frac{7}{19}

                 =1\frac{7}{19}

Thus, the equation becomes

1\frac{7}{19}=a\frac{b}{c}

Therefore,

  • a = 1
  • b = 7
  • c = 19

Hence, option (C) is true.

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What is 3n + 17 = 44??
sveta [45]

Answer:

n=9

Step-by-step explanation:

because 3 times 9 =27 plus 17 =44

4 0
3 years ago
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A drawer contains 4 white socks, 5 black socks, and 3 brown socks. Find the probability that...
IRINA_888 [86]

Answer:

5/12

7/12

125/36 = 3,47%

50/11 = 4,54%

Step-by-step explanation:

Probability a black sock is selected when a person chooses 1 sock = 5/12

Probability a white or brown sock is selected when a person chooses 1 sock =

7/12

Probability  a person chooses 3 socks and selects a white first, a black second, and a brown last if the socks are replace = (4/12 * 5/12 * 3/12)*100 =125/36 = 3,47%

Pobability  a person chooses 3 socks and selects a white first, a black second, and a brown last if the socks are NOT replace = (4/12 * 5/11 * 3/ 10)*100 = 50/11 = 4,54%

3 0
3 years ago
A=1/2 (a+b)h work out A if a=2 b=7 h=3
BartSMP [9]

Step-by-step explanation:

A =1/2(a+b)h

  • 1/2(2+7)3
  • 1/2×27
  • 13.5

hope it helps.

6 0
2 years ago
In order to determine an interval for the mean of a population with unknown standard deviation, a sample of 24 items is selected
nikitadnepr [17]

If the sample size of population is 24 then the number of degrees of freedom for reading the t  value is 23 which is option c.

Given sample size of 24,mean 23.

We have to determine the number of degrees of freedom which will be used to find the critical values of t.

Degree of freedom is the number of values in the final calculation of a statistic that are free to vary means that can change their values in the formula of calculating t.

t=(X-μ)/s/\sqrt{n}

where X is sample mean ,

μ is hypothsised population mean

s is sample standard deviation

n is sample size.

Degree of freedom=n-1

In this question n is 24 so the degree of freedom =24-1=23.

Hence the number of degrees of freedom for reading the t value is 23.

Learn more about degree of freedom at brainly.com/question/17305237

#SPJ4

5 0
2 years ago
Share up 184 snail between a salamander how many snail does each salamander get
expeople1 [14]

Answer:

How many salamanders are there

or does it say that there are "a salamanders"

If so, it's 184/a

7 0
3 years ago
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