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damaskus [11]
3 years ago
15

Identificar todas las formas que se representa el intervalo del dominio de la función

Mathematics
1 answer:
leonid [27]3 years ago
7 0

Answer:

III

Step-by-step explanation:

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Which equation shows the quadratic formula used correctly to solve 5x2 + 3x – 4 = 0 for x?
vovikov84 [41]

Answer:

x=\frac{-3\pm\sqrt{(3)^2-4(5)(-4)}}{2(5)}

Therefore, Option 1 is correct.

Step-by-step explanation:

We have been given the quadratic equation:

5x^2+3x-4=0

If we compare it will general quadratic equation which is: ax^2+bx+c=0

Here, a=5,b=3 and c= -4.

Now, we will use the formula:

And then x=\frac{-b\pm\sqrt{D}}{2a}

Where,D=b^2-4ac

x=\frac{-3\pm\sqrt{(3)^2-4(5)(-4)}}{2(5)}

Therefore, Option 1 is correct.

6 0
3 years ago
Read 2 more answers
Unit Rates: One person walks 9/20 miles in each 3/4 hour. Another person walks 8/15 miles in each 2/3 hour. Who is faster?
lorasvet [3.4K]

Answer:

Person 2

Step-by-step explanation:

Person 1 has a rate of .45 in 3/4 hour, and Person 2 has a rate of .53 in 2/3 hour. 2/3 is less than 3/4 and 0.53 is bigger than 0.45.

3 0
3 years ago
The sides od a triangle are in the ratio3:4:5 &uts perimeter 144 cm .find tye area​
enyata [817]
<h2><em><u>Answer : </u></em>The area of triangle is 864 cm² and the height corresponding to the longest side is 28.8 cm.</h2><h2 />
5 0
3 years ago
Company A offers a weekly salary of $360 plus a commission of 18% on thier dollar sales volume. Company B offers a weekly salary
Lera25 [3.4K]

Answer: The dollar sales volume will be $4000

Step-by-step explanation:

Let x represent the amount of sales volume for which the two offers result in the same pay.

Company A offers a weekly salary of $360 plus a commission of 18% on their dollar sales volume. This means that the total value offered by company A for x sales volume is

360 + 0.18x

Company B offers a weekly salary of $720 plus commission of 9% on their dollar sales volume. This means that the total value offered by company B for x sales volume is

720 + 0.09x

For the two offers to be the same, the sales volume would be

360 + 0.18x = 720 + 0.09x

0.18x - 0.09x = 720 - 360

0.09x = 360

x = 360/0.09

x = $4000

6 0
3 years ago
Anyone please help me to do 4 ) f
slavikrds [6]
I think your missing one which is G
7 0
2 years ago
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