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irga5000 [103]
4 years ago
11

Please help with these 2 questions. Thank you!!!!

Mathematics
2 answers:
qwelly [4]4 years ago
6 0
It's the third graph, the one where the absolute function is opening downwards
Fynjy0 [20]4 years ago
5 0
The one on the left looks like A. The one on the right is C. The first is A because it's a -3/4x. So it has to start below the x axis. The second is C because there are no repeat X's, so it is a function and in the table of values the left is always x.
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Will Give Brainliest if Correct
Nata [24]

Answer:

(a) 0

(b) -3/26

Step-by-step explanation:

(a)

We essentially plug 1 in for x and 2 in for y.

Our expression is \frac{2x-y}{y^2+1}, so making the correct substitutions yields:

\frac{2x-y}{y^2+1}=\frac{2*1-2}{2^2+1}=\frac{2-2}{4+1} =\frac{0}{5} =0

So, the answer for part (a) is 0.

(b)

Again, we're now plugging in 1 for x and 5 for y:

\frac{2x-y}{y^2+1}=\frac{2*1-5}{5^2+1}=\frac{2-5}{25+1} =\frac{-3}{26} =-\frac{3}{26}

So, the answer for part (b) is -3/26.

7 0
4 years ago
Read 2 more answers
I need help with these questions,i'll give 76 point to whoever answers them​
Harman [31]

Answer:

1, 4 complementary

2, 3 supplementary

5, 6 neither

Step-by-step explanation:

complementary angles are angles in which the sum of both is equal to 90 degrees. supplementary angles are angles in which their sum is equal to 180 degrees.

hope that helps

7 0
3 years ago
Read 2 more answers
What is 2 x 1 + 2 x 24/4 help I will mark good
Irina-Kira [14]

Answer: 16

Step-by-step explanation:

We follow BIMDAS.

So it becomes :

2+2×24/4 after the first step.

Then, 4+48/4

Then, 4+12

Which is 16

7 0
3 years ago
An engineer is designing a roller coaster. The tallest peak is 310 feet high.
rusak2 [61]
<h2>Hello!</h2>

The answer is:

The slope of the hill is equal to 2.

<h2>Why?</h2>

To solve the problem, we need to remember that the slope of a line, is the rate of increase or decrease of the line.

From the statement we know that the tallest peak of the roller coaster is 310 feet (y), while the roller coaster travels 155 horizontal feet (x), so, calculating we have:

Slope=\frac{height}{base}=\frac{y}{x}

Then, substituting the given information and calculating, we have:

Slope=\frac{310ft}{155ft}=2

We have that the slope of the hill is equal to 2.

Have a nice day!

4 0
3 years ago
Since an instant replay system for tennis was introduced at a major​ tournament, men challenged 1436 referee​ calls, with the re
Artemon [7]

There is no sufficient evidence to suggest that men and women have equal success in challenging calls. This was illustrated in the hypothesis.

<h3>How to compute the value?</h3>

It should be noted that based on the information given, P1 will be:

= 424/1436

= 0.295

P2 will be:

= 222/754

= 0.294

The value of the test statistic will be:

= (424 + 222)/(1436 + 754)

= 646/2190

= 0.2949

In this case, the value of the test statistic falls on the rejection region, therefore, there is no sufficient evidence to suggest that men and women have equal success in challenging calls.

Learn more about hypothesis on:

brainly.com/question/11555274

#SPJ1

4 0
2 years ago
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