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ArbitrLikvidat [17]
3 years ago
11

Johnny had a math test and he started at 2:18 p.M. It took 75 minutes to complete the test. He had a dentist's appointment at 4:

30 p.M. How much time, in minutes, did he have between the end of the test and his appointment time
Mathematics
1 answer:
kodGreya [7K]3 years ago
4 0

Answer:

57 minutes

Step-by-step explanation:

First, add 75 minutes to the time he started the test. Then, subtract the time you get from the time for his dentist appointment.

75 minutes is the same as 1 hour 15 minutes (1 hour = 60 minutes)

  H    M

  2   :  18

<u>+  1   :  15</u>

<u>    3  :  33</u>

<u />

He ended the test by 3:33 PM.

 H    M

 4  :  30

<u>- 3  :  33</u>

<u>  0 :  57 </u>

<u />

Therefore, he had 57 minutes between the end of the test and his appointment.

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What is the missing length? 18 m and w. Area = 90 m ^2. W =____ meters
7nadin3 [17]

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10 meters

Step-by-step explanation:

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7 0
3 years ago
A business organization needs to make up a 8 member fund-raising committee. The organization has 6 accounting majors and 6 finan
Tasya [4]

Answer:

Total no of ways can the fund raising committee be formed if at least 4 accounting majors are on the committee. = 360

Step-by-step explanation:

Given  -  

A business organization needs to make up a 8 member fund-raising committee.

The organization has 6 accounting majors and 6 finance majors .

Total no of ways can the fund raising committee be formed if at least 4 accounting majors are on the committee.

(1) chose 4 accounting majors  from 6 and chose 4 finance  majors  from 6  =

  =   \binom{6}{4}\times\binom{6}{4}

 =  \frac{(6!)}{(2!)(4!)}\times \frac{(6!)}{(2!)(4!)} = 225

(2) chose 5 accounting majors  from 6 and chose 3 finance  majors  from 6 =  \binom{6}{5}\times\binom{6}{3}

=  \frac{(6!)}{(1!)(5!)}\times\frac{(6!)}{(3!)(3!)} = 120

=

(3) chose 6 accounting majors  from 6 and chose 2 finance  majors  from 6 = \binom{6}{6}\times \binom{6}{2}

= \frac{(6!)}{(6!)(0!)}\times\frac{(6!)}{(2!)(4!)} = 15

Then total no of ways = (1) + (2) + 3

                                       = 360

5 0
3 years ago
What is ⅓ divided by ¼? Use the model if needed. Answer should be in simplest form. Explain your answer
Misha Larkins [42]

Answer:

The answer to the expression in simplest form is:

\frac{\frac{1}{3}}{\frac{1}{4}}=\frac{4}{3}

Step-by-step explanation:

Given the function

\frac{\frac{1}{3}}{\frac{1}{4}}

solving to get the simplest form

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{\frac{a}{b}}{\frac{c}{d}}=\frac{a\cdot \:d}{b\cdot \:c}

\frac{\frac{1}{3}}{\frac{1}{4}}=\frac{1\cdot \:4}{3\cdot \:1}

\mathrm{Apply\:rule}\:a\cdot 1=a

=\frac{4}{3}

Thus, the answer to the expression in simplest form is:

\frac{\frac{1}{3}}{\frac{1}{4}}=\frac{4}{3}

7 0
3 years ago
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