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andrezito [222]
3 years ago
6

Out of the 21 students in Mrs. Clark's class, 5of the class are boys and of the class are girls. How many students in the

Mathematics
2 answers:
sergeinik [125]3 years ago
8 0

Answer: 5 boys and 16 girls

aksik [14]3 years ago
5 0

Answer:

There are 4 boys and 17 girls in the class.

Step-by-step explanation:

Out of 21 students in Mrs. Clark's class, 5th of the students are boys and rest are girls.

out of 21 every 5th student is boy, so total boys are = \frac{21}{5}

                                                                                      = 4\frac{1}{5}

The whole number is 4, so the number of boys are 4.

The number of girls = 21 - 4 = 17 girls

There are 4 boys and 17 girls in the class.

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4 years ago
Given that f(x)=x^2-4x -3 and g(x)=x+3/4 solve for f(g(x)) when x=9
SSSSS [86.1K]

Answer:

f(g(9)) = 945/16

Step-by-step explanation:

To find f(g(x)), you have to substitute g(x) wherever there is an x in f(x).

g(x) = x + 3/4

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Now, put a 9 wherever there is an x in f(g(x)).

f(g(9)) = (9)² - 5/2(9) + 9/16

f(g(9)) = 81 - 5/2(9) + 9/16

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7 0
3 years ago
Which is the longest 2 km 25m 2500 cm or 3000 mm
MAVERICK [17]
2km=2 kilometer
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25m

2500cm
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6 0
3 years ago
Read 2 more answers
MARK AS BRAINLIEST
Arisa [49]

Answer:

The answer to your question is 25%

Step-by-step explanation:

Data

Initial price = $2.00

Final price = $2.50

First we subtract the final price to the inicial price

              increment = 2.50 - 2.00

                                = $0.50    It's the amount that the school increases to the community members

            Now we use a rule of three to find the percent

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                 $0.50  ---------------------    x

x = 0.50 x 100/2 = 50/2 = 25%          

4 0
3 years ago
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