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Aloiza [94]
3 years ago
14

You are taking a multiple choice quiz that consists of five questions. Each question has four possible answers, only onw of whic

h is correct. To complete this quiz, you randomly guess the answer to each question. Find the probability of guessing exactly 3 answers correctly.
Mathematics
2 answers:
Dahasolnce [82]3 years ago
6 0

Answer:

60% is the answer. Not pretty sure

Eduardwww [97]3 years ago
4 0

Answer:

3/20

Step-by-step explanation:

You're taking a 5 question quiz w/ 4 options but 1 correct answer. then guessing 3 correctly would be  3 out of 20.

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3. Jane wants to plant grass Seed in her yard. If it costs $0.55 per Square foot to plant grass Seed, how much will Jane Spend?
DIA [1.3K]

Answer:

Step-by-step explanation:

area off reg 1

10 x 25 = 250

area of reg 2

45 x 13 = 585

total surface area

585 + 250 = 835ft^2

835ft^2 x $0.55 = $459.25

7 0
2 years ago
Read 2 more answers
Find the perimeter and the area of the figure. Round answers to the nearest tenth.
vlada-n [284]

Answer:

34 rounded is 30

Step-by-step explanation:

15 plus 15 is 30 30 plus 4 is 34

7 0
3 years ago
Under what operations are the set of integers closed? Explain your answer.
valentina_108 [34]
<span>Integers are</span><span><span> numbers which are not fraction and </span>this set is closed only under addition, subtraction, and multiplication. </span><span>
Let us take a example
If you add, subtract, or multiply the numbers 1 and 3,
Then the solution is  4, -2, and 3. </span>
I hope it helped.


5 0
3 years ago
Read 2 more answers
the ratio of boys and girls in a school is 7:5. if the total number of students in the school is 480,find the number of boys
forsale [732]
7+5=12 (This ratio takes into account 12 students)

480/12=40 (The ratio will be used 40 times)

7:5 (both values in the ratio are multiplied by 40)

280:200

There are 280 boys in the school.

8 0
3 years ago
Based on the data, which of the following statements must be true?
natka813 [3]

Answer:

hope this help

Step-by-step explanation:

here is the answer

7 0
3 years ago
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