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Ann [662]
3 years ago
10

Please help! In the question you have to find whether the number is either rational or irrational.

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
4 0

Answer:

Square root of 30 is irrational because the answer is a non-terminating decimal.

4/7 is rational because it is a fraction.

21 divided by the square root of 4 is irrational because the result is a non-terminating decimal.

Pi is irrational because it's a non-terminating decimal.

-27 is rational because rational numbers can be positive or negative.

I hope this is correct! :-)

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Janie is analyzing a quadratic function f(x) and a linear function g(x). Will they intersect?
UkoKoshka [18]

Answer:

Option (D) is correct.

No, They will not intersect.

Step-by-step explanation:

Given Points for g(x), (1,2) , (2,4) and (3,6)

Since g is a linear function then it must be in form of  g(x) = mx +c where, c is constant and m is slope.

We first calculate the slope using,

m=\frac{y_2-y_1}{x_2-x_1}

Here, consider x_1=1 , x_2=2 , y_1=2, y_2=4

Substitute above, we get slope as,

m=\frac{4-2}{2-1}=2

Thus, equation becomes g(x) = 2x + c  ...(1)

For c plug the values  in (1),

(1,2) ⇒ 2= 2 + c ⇒  c = 0

Thus, Equation of G(x) is 2x.

When we plot it it do not intersect f(x).

Thus, Option (D) is correct.

No, They will not intersect.




3 0
3 years ago
Read 2 more answers
Write down one pro and one con of employment.
lapo4ka [179]

Answer:

Pro: Monthly income to pay bills, buy food ,etc

Con: You many feel tied down, you could get abused at work (taken advantage of)

8 0
2 years ago
Can someone answers this question please master it correctly if it’s corect I will mark you brainliest
Inessa [10]

Answer:

4 people will be expected to win the prize

Step-by-step explanation:

Out of 15 people, 5 won a prize

5/15 = simplify into 1/3

1/3 = x/12         Cross multiply

3x = 12              Divide 3 on both sides

   x = 4

<h3><u><em>Hope this helps!!!</em></u></h3><h3><u><em>:)</em></u></h3>
3 0
3 years ago
3x - 3y = -15<br> -x + y = 5
Katyanochek1 [597]

Answer:

I don't understand what you're asking. can you put a question on this?

4 0
3 years ago
What is 560 miles in 7 hours ?
Natali [406]

Answer:

It would be 80 miles in 1 hour

Step-by-step explanation:

You divide 560/7  

7 goes into 56, 8 times and into 0, 0 times.

560/7=80

8 0
3 years ago
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