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Digiron [165]
3 years ago
5

40 students at a particular school are randomly selected for a survey. 18 have blue eyes. If there are 400 students at this scho

ol, what is a reasonable estimate of the total number of students with blue eyes?
Mathematics
2 answers:
podryga [215]3 years ago
7 0
A reasonable estimate would be 180 students with blue eyes
barxatty [35]3 years ago
3 0

Answer:

180 students have blue eyes

Step-by-step explanation:

If 18/40 students have blue eyes, when the total number rof students is 400

18/40 × 400=180

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Mike makes 4 dozen cookies. He brings 75% of them for a party at his school. How many did he bring?
baherus [9]

Answer:

He brought 3 dozen cookies

She ate \frac{2}{5} of the bag of Doritos

She read 25 books

Step-by-step explanation:

∵ Mike makes 4 dozen cookies

∵ He brings 75% of them for a party at his school

- Multiply 75% by 4

∵ 75% = \frac{75}{100}=\frac{3}{4}

∴ He brought = \frac{3}{4} × 4

∴ He brought = 3

He brought 3 dozen cookies

∵ Sam bought a bag of Doritos

∵ She ate only 40% of them

∵ 40% = \frac{40}{100}=\frac{2}{5}

∴ She ate = \frac{2}{5} × 1

∴ She ate = \frac{2}{5}

She ate  \frac{2}{5} of the bag of Doritos

∵ Jamie took 50 books from the library

∵ She only read half of her whole stack

- Multiply half by 50

∴ She read = \frac{1}{2} × 50

∴ She read = 25

She read 25 books

3 0
3 years ago
Which would be the right answer???
Karo-lina-s [1.5K]

Answer:

The correct answer would be 10ft

5 0
3 years ago
65yards and 2feet equall hiw many feet
Black_prince [1.1K]
We know that 1 yard equals 3 feet, therefore, we have:
65(3) + 2
=  195 + 2
= 197
therefore, 65 yards and 2 feet equals 197 feet
5 0
3 years ago
Read 2 more answers
What is the multiplicative inverse of −3/5?
bonufazy [111]

Answer:

The multiplicative inverse is -5/3

Step-by-step explanation:

Multiplicative inverse means we want to end up with 1

-3/5 * what =1

Multiply by 5 to clear the fraction

-3/5 * what *5 = 1*5

-3 * what = 5

Divide by -3 to isolate what

-3*what /-3 = 5/-3

what = -5/3

The multiplicative inverse is -5/3

4 0
3 years ago
To graph the function ​f(x)​, a student translates the graph of the parent quadratic function 5 units right and 8 units down. Ca
valina [46]

Answer:

its 5

Step-by-step explanation:

4 0
3 years ago
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