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s2008m [1.1K]
3 years ago
11

Which equation represents a proportional relationship? A) y = 9x B) y = 9x + 1 C) y = 9x + 9 D) y = 9 x

Mathematics
2 answers:
aliya0001 [1]3 years ago
7 0

Hello! I think your answer is A) y= 9x

Advocard [28]3 years ago
4 0

Answer:

A) y = 9x

Step-by-step explanation:

Proportional relationships shows the relationship between two or more variables where their ratios are equivalent in a given expression. It is majorly a direct relation, which implies that as the value of on variable increases, the value of the other variable also increase.

From the expressions given, the first shows a good proportion between the variables given.

So, y = 9x is the answer.

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Expand the number 1120 into its corresponding exponential form. 25 · 5 · 7 52 · 8 22 · 53 · 7 2 · 5 · 7
Eduardwww [97]

Answer:

(A) 2^{5} * 5 * 7

Step-by-step explanation:

Your question formatting made it very complicated to understand the possible answers.  Please use some notation or the equation editor next time.

So, the exponential form a way to write a number using multiplications and powers.

Let's examine the various options (if I read them correctly)

(A) 2^{5} * 5 * 7 - YES!

2^{5} is 32, so 32 * 5 * 7 = 160 * 7 = 1120

(B) 5² · 8  - NO

= 25 * 8 = 200

(C) 2² * 5³ * 7 - NO

= 4 * 125 * 7 =500 * 7 = 3500

(D) 2 · 5 · 7 - NO

= 10 * 7 = 70

5 0
3 years ago
What is the difference between integers and real numbers?
galina1969 [7]
Integers are positive and negative whole numbers no fractions or decimals.
Real numbers do have fractions and decimals that integers do not.
5 0
3 years ago
Evaluate the expression when y = 5.<br> 3y2<br> 3y2 =
noname [10]

Answer:

17 is the answers to the question

4 0
2 years ago
Round off the following numbers to two decimal places <br> 1.2.1) 0,77677<br> 1.2.2) 34,2784682
andre [41]
1) 0.78
2) 34.28
This is because the number in the 3rd decimal place for both numbers is 5 or above so it is rounded up rather than down.
8 0
3 years ago
What is the time and space margin that is the distance you can see ahead of your vehicle?
IgorLugansk [536]
The space margin depends on light and weather conditions as well as terrain (road curvature, hills, trees or other obstacles).

The time margin depends on the space margin, your reaction time, and your speed of travel.

You may appear to have a lot of time or space in icy conditions, but that can be an illusion. A collision course on ice will result in a collision, regardless of the time or distance involved.

Insufficient information is provided to be more specific.
5 0
3 years ago
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