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maw [93]
3 years ago
14

What fraction of the boys are red headed

Mathematics
2 answers:
MrRa [10]3 years ago
6 0

Answer:

19/64

Step-by-step explanation:

number of boys:

  • 11+21+13+19=64

red haired boys:

  • 19

The fraction:

  • 19/64
Sliva [168]3 years ago
3 0

Answer:

19/64

Step-by-step explanation:

number of boys: 11+21+13+19=64

red haired boys: 19

The fraction: 19/64

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3 years ago
Are all cubes similar? If so, explain why. If not, give an exapmle of two cubes that are not similar.
babunello [35]

All cubes are similar because every one of them have an equal width and length and height.

I really hope I helped

5 0
3 years ago
Read 2 more answers
Please help
oksian1 [2.3K]

Answer:

1: 11√3 - 7√6

2: 11√3 - 7√6

3: -9

4:12

Step-by-step explanation:

To add radicals they need to have the same radical part for the first one we have

7√3- 4√6 + √48 - √54

We can simplify the last two into 4√3 and 3√6

So we have 7√3 - 4√6 + 4√3 - 3√6

adding similar radicals we get

11√3 - 7√6

For the second one we have 11√3 - 7√6

There's nothing we can do from here so keep that as your answer

This one is quite easy -3√9

square root of 9 is 3

so we have -3*3 which is -9

next is

4√9

same deal as the one before

3*4=12

5 0
2 years ago
Read 2 more answers
Find the number of primes less than 190 using the principle of inclusion-exclusion.
Troyanec [42]

The number of primes less than 190 using the principle of inclusion-exclusion are 42

<h3>Principle of inclusion- exclusion</h3>

The principle of inclusion-exclusion is known as a counting technique that computes the number of elements satisfying at least one of several properties and guaranteeing that the numbers are not counted twice.

Prime numbers are numbers only divisible by 1 and itself.

Prime numbers less than 190 are:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181

They are 42 in number

Therefore, the number of primes less than 190 using the principle of inclusion-exclusion are 42

Learn more about prime numbers here:

brainly.com/question/874965

#SPJ11

8 0
2 years ago
What are these &lt; &gt; =???????????
madam [21]

These Are Less Than(<) and Greater Than(>) Symbols!!

Hope This Helps!!!

7 0
3 years ago
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