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marusya05 [52]
3 years ago
10

Which of the sets of ordered pairs represents a function?

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

Answer:

Both A and B

Step-by-step explanation:

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Which statement is not a solution of the inequality 5-2x>-3?
mart [117]

Answer: D

Step-by-step explanation:

D states that x is 5. If x were 5, the number on the left side of the inequality would be -5. The left side of the inequality must be equal to or greater than -3. -5 is less than -3, so it does not fit.

3 0
3 years ago
Which table shows a proportional relationship between x and y? x 2 3 5 6 y 3 4 7 9 x 4 6 8 10 y 6 8 10 12 x 1 5 8 10 y 15 75 120
AysviL [449]

Answer:

Only the 3rd table shows a proportional relation between x and y.

Step-by-step explanation:

The first table is  

x 2 3 5 6  

y 3 4 7 9

Here y is not increasing in uniform rate with x. So, the relation is not proportional.

The second table is  

x 4 6 8 10  

y 6 8 10 12

Here y is increasing in uniform rate with x, but at x = 0, y ≠ 0, Hence, the relationship is not proportional.

The third table is  

x 1 5 8 10  

y 15 75 120 150

Here, y is increasing in uniform rate with x, and  at x = 0, y = 0, Hence, the relationship is proportional.

The fourth table shows

x 3 9 10 15  

y 1 3 4 5

Here also y is not increasing in uniform rate with x. So, the relation is not proportional.

Therefore, only the 3rd table shows a proportional relation between x and y. (Answer)

5 0
3 years ago
Twenty-five cards are numbered from 1 to 25 and placed in a box. One card is selected at random and not replaced. Another card i
LuckyWell [14K]

Answer:

11/50

Step-by-step explanation:

In draw 1,

Favourable outcome / Total number of possibilities = 12/25

In draw 2,

Favourable outcome / Total number of possibilities = 11/24

Total chance of getting 2 even numbered cards = 12/25 * 11/24 = 11/50

6 0
4 years ago
A televison that coast $360 was amrked up by 30% . what is the selling price?
anastassius [24]

Answer:

$468

Step-by-step explanation:

7 0
3 years ago
Which of the following is the product
choli [55]

Answer:

  \text{\bf{A.}}\quad\dfrac{3x^2}{x^2-6x-7}

Step-by-step explanation:

As with multiplying any rational expressions, the numerator of the result is the product of the numerators, and the denominator of the result is the product of the denominators.

\dfrac{3x}{x+1}\cdot\dfrac{x}{x-7}=\dfrac{(3x)(x)}{(x+1)(x-7)}=\dfrac{3x^2}{x^2-6x-7}

_____

The denominator product is found using the distributive property. Each of the terms of one factor is multiplied by the other factor.

(x+1)(x-7)=x(x-7)+1(x-7)\\\\=x^2-7x+1x-7=x^2-6x-7

8 0
4 years ago
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