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hram777 [196]
2 years ago
15

There are 13 boys in class and 7 girls, 4 of the students

Mathematics
1 answer:
777dan777 [17]2 years ago
4 0

Answer: I would say 20%, it makes 100 percent sense!

Step-by-step explanation: Please brainliest!

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Let z = 5. What is the value of (10 + 25) ÷ z?
Murrr4er [49]

Answer:

<h2>A. 7</h2>

Step-by-step explanation:

Put z = 5 to the expression (10 + 25) ÷ z:

(10 + 25) ÷ 5 = 35 ÷ 5 = 7

5 0
3 years ago
Write an explicit formula for a_n, the nth term of the sequence 4, -20, 100, ...
saw5 [17]

Answer:

a_{n} = 4 (-5)^{n-1}

Step-by-step explanation:

There is a common ratio r between consecutive terms , that is

r = - 20 ÷ 4 = 100 ÷ - 20 = - 5

This indicates the sequence is geometric with nth term ( explicit formula )

a_{n} = a₁ (r)^{n-1}

where a₁ is the first term and r the common ratio

Here a₁ = 4 and r = - 5 , then

a_{n} = 4 (-5)^{n-1}

3 0
3 years ago
If the basic measuring unit in base-7 is 49 circles, what does the measuring unit of size .001seven look like
Serjik [45]

The measuring unit is the standard unit of a quantity

The measuring unit of size 0.001 is represented by one millionth circle

<h3>How to determine the unit of base 0.001</h3>

The basic measuring unit in base 7 is given as:

49 circles

The above can be represented as:

Base 7 = 49 circles

Represent the base with n.

So, we have the following rule

Circle = n^2

For measuring unit 0.001, we have:

Circle = 0.001^2

Evaluate the square

Circle = 0.000001

This means that,

The measuring unit of size 0.001 is represented by one millionth circle

Read more about measuring units at:

brainly.com/question/16393390

8 0
2 years ago
Pleaseeee helppp mehhhhh!!
Alja [10]
The answer is D, 4/3 x 3.14 x 2^3
6 0
2 years ago
Read 2 more answers
Which figures below are congruent?<br> 1 and 2<br> 2 and 3<br> 1 and 3<br> 2 and 4
zvonat [6]

Answer:

1 and 3

Step-by-step explanation:

since they both are equal shape with equal sizes.

4 0
3 years ago
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