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USPshnik [31]
4 years ago
15

Which linear equation represents a non-proportional relationship? A) y = 10x B) y = 0.75x C) y = −x D) y = 0.25x + 2

Mathematics
2 answers:
uysha [10]4 years ago
7 0

Answer:

option D

Step-by-step explanation:

A) y = 10x

Here y varies directly with x

B) y = 0.75x

0.75 times x . so y varies directly with x

C) y = −x

-x is -1 times x. So y varies directly with x

D) y = 0.25x + 2

Here +2 is added at the end. So this linear equation represents non proportional relationship

Marizza181 [45]4 years ago
3 0

Answer:

D

Step-by-step explanation:

A linear proportion relationship is of the form

y = kx ← k is the constant of proportionality

A y = 10x is in this form with k = 10 → proportional

B y = 0.75x is in this form with k = 0.75 → proportional

C y = - x is in this form with k = - 1 → proportional

D y = 0.25x + 2 is not in this form → non- proportional


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Alik [6]

Answer:

10 < 6n -2 ≤ 34

n= {3, 4, 5, 6}

Step-by-step explanation:

number

⇒ n

two less than six times the number

⇒ 6n -2

it is between ten and thirty-four (inclusive)

⇒ 10 < 6n -2 ≤ 34

we can solve it as:

  • 10 < 6n -2 ≤ 34     ⇒ add 2 to all sides
  • 12 < 6n ≤ 36          ⇒ divide by 6 all sides
  • 2 < n  ≤ 6
  • n= (2, 6]

or

  • n= {3, 4, 5, 6}

5 0
3 years ago
which pair of numbers have a greatest common factor of 3? select each correct answer. 3 and 9 3 and 9 18 and 15 18 and 15 15 and
Vlada [557]

The pair of numbers that have the greatest common factor of 3 are:

6 and 9

18 and 15

3 and 9

<h3>What is greatest common factor?</h3>

The biggest number, which is the variable of at least two number is known as the Best Normal Element (GCF). It is the biggest number (factor) that partition them bringing about a Characteristic number. When every one of the elements of the number are found, there are not many variables which are normal in both.

The factors of 6 and 9 are:

6 ⇒ 1, 2, 3 and 6

9 ⇒ 1, 3, 9

The greatest common factor here is therefore 3.

The factors of 18 and 15 are:

18 ⇒ 1, 2, 3, 6, 9 and 18

15 ⇒ 1, 3, 5, and 15

Greatest common factor is also 3

The factors of 3 and 9 are:

3 ⇒ 1 and 3

9 ⇒ 1, 3, 9

Greatest common factor here is also 3.

Learn more about greatest common factor, refer:

brainly.com/question/4802873

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5 0
2 years ago
the ratio of hamburgers to hot dogs at the picnic is 25:10. If there are 100 hamburgers how many lunch itemd are there altogethe
Olin [163]

Answer:

140 lunch items

Step-by-step explanation:

The unit ratio is 5:2

So if we take that and multiply it by 20 we get 100:40. 100+40 is 140

8 0
3 years ago
Read 2 more answers
Mr. Jones wants to add a cement path around his new pool. The pool has a radius of 7 feet. The cement path will be 1 foot wide a
Aleonysh [2.5K]

The square footage of the path is 47.1 ft²

The area of a circle is:

A = πr²

Where r is the radius of the circle.

Let us assume that the pool is a circle.

Given that the pool has a radius (r₁) of 7 feet and a path 1 foot wide would go round the pool.

Radius of pool and cement path (r₂) = 7 ft + 1 ft = 8 ft.

The square footage of the path =  πr₂² - πr₁² = π*8² - π * 7² = 47.1 ft²

Hence The square footage of the path is 47.1 ft²

Find out more at: brainly.com/question/23328170

7 0
2 years ago
Who’s the values in the table to determine the slopes
PSYCHO15rus [73]

Answer:

number 11 is slope=3, then number 12 is slope=-2, then number 13 is slope=4 and number 14 is slope =1. i got my answers by looking at the x axis. In a y=mx+b whatevers infront of the x is your slope. idk what 15 is though its weird lol Good luck! :)

Read more on Brainly.com - brainly.com/question/2124349#readmoreStep-by-step explanation:

5 0
4 years ago
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