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Elodia [21]
2 years ago
6

Hi help me please or do something i dont know

Mathematics
2 answers:
Levart [38]2 years ago
5 0

Answer:

To know the y values in of both the tables I have

y=2.25x.

To get the equation y=2.25x, I need to get the value of y divide by the value of x, repeat this process for both of the tables. You can see that they are all proportional to each other.

For the first table we have:

360÷160=2.25, 1125÷500=2.25, 2700÷1200=2.25

In order to form a equation they all have to have the same proportion.

Then, there you have it.

y=2.25x

For the second table we have:

4.5÷2=2.25, 11.25÷5=2.25, 15.75=2.25

y=2.25x

to check if the equation is right

y=2.25(160)=360 (for the first table)

y=2.25(500)=1125

y=2.25(1200)=2700

Goryan [66]2 years ago
4 0

Answer:

y=2.25x.

Step-by-step explanation:

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Normally a new cell phone costs $500 you only have 450 to spend what happened what percent do you need the phone to be discounte
alina1380 [7]
450/500  how much you have to how much it costs
this equals to 90 % of the complete cost

100%-90%=10%

you need a 10 % discount

hope this helps

5 0
3 years ago
Two experiments are defined below. An event is defined for each of the experiments. Experiment I: Corrine rolls a standard six-s
-BARSIC- [3]

Answer: The correct answer is option C: Both events are equally likely to occur

Step-by-step explanation: For the first experiment, Corrine has a six-sided die, which means there is a total of six possible outcomes altogether. In her experiment, Corrine rolls a number greater than three. The number of events that satisfies this condition in her experiment are the numbers four, five and six (that is, 3 events). Hence the probability can be calculated as follows;

P(>3) = Number of required outcomes/Number of possible outcomes

P(>3) = 3/6

P(>3) = 1/2 or 0.5

Therefore the probability of rolling a number greater than three is 0.5 or 50%.

For the second experiment, Pablo notes heads on the first flip of a coin and then tails on the second flip. for a coin there are two outcomes in total, so the probability of the coin landing on a head is equal to the probability of the coin landing on a tail. Hence the probability can be calculated as follows;

P(Head) = Number of required outcomes/Number of all possible outcomes

P(Head) = 1/2

P(Head) = 0.5

Therefore the probability of landing on a head is 0.5 or 50%. (Note that the probability of landing on  a tail is equally 0.5 or 50%)

From these results we can conclude that in both experiments , both events are equally likely to occur.

3 0
3 years ago
Factor the expression 49b²-36​
Travka [436]

Answer:

49b² - 36

Step-by-step explanation:

Find the factors of 49 & 36:

49 = 1, 7, 49

36 = 1, 2, 6, 18, 36

As you can tell, there are no common factors (1 does not count), therefore, the expression given is already in most factored form.

49b² - 36 is your answer.

~

7 0
3 years ago
-3 + n = 6n + 22 ; Solve for n.
anygoal [31]

Answer:

-3 + n = 6n + 22

-1n on both sides

-3=5n+22

-22 on both sides

-25=5n

divided by 5

-5=n

Step-by-step explanation:

6 0
2 years ago
How many times larger is 9×10 to the fourth power than 3×10 to the second power
marin [14]
3 multiplied by ten to the second power
5 0
3 years ago
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