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In-s [12.5K]
3 years ago
14

Please get it right double check

Mathematics
1 answer:
stiks02 [169]3 years ago
4 0
Just multiply the different sets of numbers
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The students in Brenna's grade voted to select a guest speaker. 15 students voted for a
DochEvi [55]

Answer:

25% of students voted for the athlete

Step-by-step explanation:

First you need to know how many students are in total. In this case there is 60, 15+45

Then you write it as a fraction

\frac{15}{60}

because 15 voted for athlete out of the 60 students.

After this you need to divide 15÷60 which is . 25 then you transform that number into a percent which is 25%

5 0
2 years ago
In which situation below would you want to use the Explicit Formula instead of the Recursive Formula?
Luden [163]

9514 1404 393

Answer:

  all of them, possibly excepting the 4th term

Step-by-step explanation:

The recursive formula is good if you have terms near the one of interest. It might be used for the 4th term, but that would require that you compute the three previous terms:

  7, 5, 3, 1 . . . . requires 3 subtractions

It can be about as easy to calculate ...

  a4 = 7 -2(3) = 1 . . . . requires two* subtractions and a multiplication

__

However, for the 7th, 11th, and 106th terms, it is impractical to list all previous terms. The explicit formula is a better choice.

A.  a4 = 7 -2(3) = 1

B.  a7 = -1 +10(6) = 59

C.  a106 = 2 +5(105) = 527

D.  a11 = -3 +4(10) = 37

_____

* The explicit formula is ...

  an = a1 +d(n -1)

The operations identified in this formula (in the order required by the Order of Operations) are subtraction, multiplication, and addition. For a negative common difference, that amounts to two subtractions and a multiplication.

For manual evaluation, the work involved in using the recursive or explicit formulas for the 4th term is about the same, if the arithmetic is easily done mentally (as here).

5 0
2 years ago
What would she have gotten for the equation of the linear function if she had used the ordered pairs (2, 5) and (4, 1) instead?
Alexeev081 [22]

Answer: y = 2x + 9

<u>Step-by-step explanation:</u>

slope(m) = \frac{y_{2}-y_{1}} {x_{2}-x_{1}} = \frac{1-5} {4-2} =  \frac{-4}{2} = -2

Point-Slope formula: y - y₁ = m(x - x₁)

y - 5 = -2(x - 2)

y - 5 = -2x + 4

y       = 2x + 9

4 0
3 years ago
Read 2 more answers
A. 2<br> B. 15<br> C. 26<br> D. 6
Eddi Din [679]

The answer is B. 15 servings.

4 0
3 years ago
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
Nezavi [6.7K]

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6 0
2 years ago
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