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Rus_ich [418]
3 years ago
11

Which quadratic equation has roots 7 and -2/3

Mathematics
1 answer:
lara31 [8.8K]3 years ago
7 0
X² - 4x - 21 = 0

hope this helps
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The vertices of a trapezoid are located at (1, 2), (3, 1), (3, 5), (1, 4). The trapezoid is translated 4 units to the right. Wha
padilas [110]

Answer:

Suppose that we have a given point (x, y)

If we translate this point N units to the right, then the new coordinates of the point are:

(x + N, y)

Ok, now if we know that the vertices of the trapezoid are:

(1, 2), (3, 1), (3, 5), (1, 4)

And we move the whole figure 4 units to the right, then all the vertices are moved 4 units to the right.

Then the new vertices of the figure will be:

(1 + 4, 2) = (5, 2)

(3 + 4, 1) = (7, 1)

(3 + 4, 5) = (7, 5)

(1 + 4, 4) = (5, 4)

Then the coordinates of the image of the trapezoid (of the new vertices) are:

(5, 2),  (7, 1), (7, 5),  (5, 4)

6 0
3 years ago
Ronald is making hats and scarves for charity. He has enough yarn to make 5 hats and 8 scarves. Takes him 12 hrs to knit a hat,
kari74 [83]

Constraints are simply the subjects of an objective function.

The inequality that represents the constraint is: 12x + 6y \le 20

Represent the number of hats with x, and the number of scarves with y.

From the question, we have:

  • He spends 12 hours to knit a hat
  • He spends 6 hours to knit a scarf

So, the equation of the total time spent is:

Time = 12x + 6y

This time spent is not more than 20 hours.

So, the inequality is

12x + 6y \le 20

Hence, the inequality that represents the constraint is: 12x + 6y \le 20

Read more about constraints at:

brainly.com/question/24574823

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2 years ago
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Answer:poiujhygtfdoiuytoiuytrewqjhgfdsnbvcnbvnfhhghjgggggggggggggggggggggggggggggggggggggggggggggggggghhhhhhhhhhhhhhhhhhhkkkkkkguyumhjmk,l.uogtgbv mjbnh

Step-by-step explanation:

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2 years ago
Please help I will reward point and hearts
Mashcka [7]
Fourths, then b. Sorry if late.
5 0
3 years ago
What is 3÷1/4 please tell me
Lady bird [3.3K]
The answer to your question
is 12
7 0
3 years ago
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