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Ivenika [448]
3 years ago
7

Two quantities, x and y, are directly proportional. If x is tripled, what happens to y? It is multiplied by 13. It is tripled. I

t is multiplied by 9. It depends on the starting value of x.
Mathematics
2 answers:
prisoha [69]3 years ago
7 0
Answer: It is tripled.

Since x and y are proportional, whatever happens to x must happen to y in order for the two values to stay proportional.
viktelen [127]3 years ago
3 0

Answer:

Option B.

Step-by-step explanation:

It is given that two quantities, x and y, are directly proportional. It means

y\propto x

y=kx

where, k is constant of proportionality.

We need to find the effect on y if x is tripled.

Let x_1=3x, then

y_1=k(3x)

y_1=3(kx)

y_1=3y

It means y is also tripled.

Therefore, the correct option is B.

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___ - 35 = -103 <br> answer fast pls
scoundrel [369]

Answer:

-103 + (-35) = -138

138 - 35 = -103

138= answer

Step-by-step explanation:

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3 0
3 years ago
Zach read a book for 10 minutes every weekend in the first month, 20 minutes in the second month, 40 minutes in the third month,
grin007 [14]

Answer: The correct statement is "Victoria's method is linear because the number of minutes increased by an equal number every month".

Explanation:

From the given information Zach read a book for 10 minutes every weekend in the first month, 20 minutes in the second month, 40 minutes in the third month, and 80 minutes in the fourth month.

The sequence of Zach is 10, 20, 40, 80. Which is a geometric sequence with common ratio 2. So, Zach's method is exponential.

Victoria read a book for 35 minutes every weekend in the first month, 50 minutes in the second month, 65 minutes in the third month, and 80 minutes in the fourth month.

The sequence of Victoria is 35, 50, 65, 80. Which is a arithmetic sequence with common difference 15. So, Victoria's method is linear.

From the correct statement is "Victoria's method is linear because the number of minutes increased by an equal number every month".

7 0
4 years ago
Compute the standard deviation for the set of data.
mr Goodwill [35]

answer is A

see attached picture

5 0
3 years ago
Read 2 more answers
There were 52 riders on a bus. The next bus had 25% more riders. How many riders were on the next bus?
Lana71 [14]

Answer:

65 riders

Step-by-step explanation:

52 times 0.25 = 13 (25% of 52)

52 + 13 = 65

3 0
3 years ago
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Tyrone factored the polynomial completely. What is the value of B?
Nina [5.8K]

Answer:

B=3,A=2

Step-by-step explanation:

We are given that a polynomial

12x^4+30x^3+4x^2+10x

We have to find the value of B.

Taking common 2x from the given polynomial

2x(6x^3+15x^2+2x+5)

2x(3x^2(2x+5)+1(2x+5))

Taking common factor  (2x+5) then we get

2x(2x+5)(3x^2+1)

After factorization compare with

Ax (Bx^2+1)(2x+5)

Then, we get

A=2,B=3

3 0
3 years ago
Read 2 more answers
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