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Zarrin [17]
3 years ago
10

Determine the range of values of k such that the equation x²-4kx+4k²+5k+7 = 0 has real roots. ​

Mathematics
1 answer:
slega [8]3 years ago
6 0

Answer:

<h3>This is the answer of your question. ☺☺</h3>

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Help me please thank you
Arturiano [62]

Answer:Third one


Step-by-step explanation:


4 0
3 years ago
Consider the box-and-whisker plot.
dedylja [7]

each part of the box and whisker is 25% (meaning each quartile) There are 4 quartiles so this makes 100%

So, the first being 25% and this is where the below 15 falls.

So, 25%

3 0
3 years ago
Solve the inequalities 3x2 – 11x &gt; 20
Bas_tet [7]

Answer:

x=-10

Step-by-step explanation:

3x · 3x=9x-11x>20

-2x>20

÷-2    -2

___________-

x=-10

Hope this helps ∞

5 0
2 years ago
which of the following graphs shows a negative linear relationship with a correlation coefficient, r, close to -0.5.
Harrizon [31]

Answer:

In the graph attached there is a sample generated with a correlation coefficient r=-0.5.

Step-by-step explanation:

A value of r that is -0.5 shows that there is a certain correlation and that this correlation is negative.

As there are no examples in this question, I searched for a generator of random samples with a user-input correlation coefficient between the two variables.

In the graph attached there is a sample generated with a correlation coefficient r=-0.5.

3 0
3 years ago
At Arnold's Arcade, a child can buy 21 tokens for $6. At this rate, how many tokens would $20 get someone?
nydimaria [60]

Based on the information given, the number of tokens that will be bought if a child has $20 will be 70.

Since a child can buy 21 tokens for $6, the cost of one token will be:

= $6 / 21 = $0.2857143

Therefore, if a child has $20, the number of tokens that will be gotten will be:

= $20 / $0.2857143

= 70

Therefore, 70 tokens will be bought.

Read related link on:

brainly.com/question/25776703

8 0
2 years ago
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