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Vlad [161]
3 years ago
11

Calculate the discriminant and use it to determine how many real-number roots the equation has.

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
7 0
The answer is positive 169 and it is two irrational solution
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I rlly need some help please if ur big brains im going to be asking multiple questions right now
Lynna [10]

You can break the shape up into a rectangle and a right triangle.

Use your trig ratios to find the missing sides.

Add all the sides up and you have your perimeter!

//

p = 2(l) + 2(w)

p = 2(10)  + 2(4)

p = 28

//

tan =  \frac{opp}{adj}

\tan(45) =  \frac{10}{adj}

adj =  \frac{10}{ \tan(45) }

adj = 10

{a}^{2}  +  {b}^{2}  =  {c}^{2}

{10}^{2}  + 10 {}^{2}  =  {200}^{2}

\sqrt{200} = 14.14213562

//

p = 10 + 4 + (4 + 10) + 14.14213562

<em>*notice how one of the 10 is left out because it is inside the shape so we can't use that to find perimeter.</em>

p = 42.14

3 0
3 years ago
What is the coefficient in the following expression?
frosja888 [35]

Answer:

5

Step-by-step explanation:

A coefficient is a number used to multiply a variable. in "5a" 5 is the coefficient.

4 0
3 years ago
37 is ____ % of 148; 148 is ____ % of 37 fill in the blanks
soldier1979 [14.2K]

37 is 25% of 148; 148 is 400% of 37

Step-by-step explanation:

Let us solve the questions one by one

"37 is ____ % of 148"

Let x be the percentage

Then

37 = x\%\ of\ 148\\37 = 148x\\x = \frac{37}{148}\\x = 0.25

to convert in percentage, multiplying by 100

= 25%

"148 is ____ % of 37"

Let y be the percentage

then

148 = y\%\ of\ 37\\148 = 37y\\y = \frac{148}{37}\\y = 4

To convert into percentage, multiplying by 100

= 400%

Hence,

37 is 25% of 148; 148 is 400% of 37

Keywords: Percentage, percent

Learn more about percentage at:

  • brainly.com/question/7932185
  • brainly.com/question/788903

#LearnwithBrainly

4 0
3 years ago
What is three quarters of 7 hours
AURORKA [14]

Answer:

56

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
7 + what can = 91??????
slega [8]
Well you will just subtract 91 - 7 which equals 84.
So 7 + 84 = 91
3 0
3 years ago
Read 2 more answers
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