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JulsSmile [24]
3 years ago
6

The graphs represent functions f and g.

Mathematics
1 answer:
pishuonlain [190]3 years ago
4 0
I think it might be B.
If it’s wrong then I’m sorry
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What is the discriminant of the quadratic equation 0 = 2x2 3x – 5?
a_sh-v [17]
If you would like to find the discriminant of the quadratic equation 0 = 2x^2 + 3x - 5, you can do this using the following steps:

<span>0 = 2x^2 + 3x - 5
0 = ax^2 + bx + c
a = 2, b = 3, c = - 5

</span>D = b^2 - 4 * a * c = 3^2 - 4 * 2 * (-5) = 9 + 40 = 49

The correct result would be 49.
5 0
3 years ago
Read 2 more answers
Television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a q
kobusy [5.1K]

Answer:

Option d

Step-by-step explanation:

Given that television networks frequently run public opinion polls on issues of concern. One network conducted a scientific poll asking a question concerning the approval rating of the way President Obama was handling the Iraq War. At about the same time a second network ran an online poll using a very similar question.

Observed data is

Poll              Scien      Online total

   

approve    339   385      724

disapprove 780        573     1363

                 1119        958     2087

H_0: Both scientific and online are consistent\\H_a: not consistent

(Two tailed chi square test)

Let us find out expected and chi square

Expected = row total x column total/grand total

The cell count expected in the online poll for those who approve

=\frac{724*968}{2087} \\=333.94

chi square = 7.81

Hence option d is right.

4 0
3 years ago
Function rule to find f(7).
Anton [14]

Answer: 196

Step-by-step explanation:

f(7)=(-7-7)^2 =196

5 0
1 year ago
A man bought a book for 15rs. If twice the amount left with him is 70rs, how much money did he have?
N76 [4]

Answer:

50 rs.

Step-by-step explanation:

Just look at the picture for a step by step explanation..

Hope it helps you...

Your welcome in advance..

(◍•ᴗ•◍)

5 0
3 years ago
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Which line segments are a radius of Y?<br> RX<br> SW<br> SY<br> TY
Mumz [18]

Answer:RX SY TY please tell me if its wrong

5 0
3 years ago
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