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galben [10]
1 year ago
12

When did the number of people increase faster?

Mathematics
1 answer:
Pavel [41]1 year ago
7 0

Answer:

i dont know

Step-by-step explanation:

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3. Find the value of m for which the equation mx + 14 = 12 + 2 has one repeated root.
umka2103 [35]

Using the discriminant of a quadratic equation, it is found that the quadratic equation would have one repeated solution for m = -3.

<h3>What is the quadratic equation?</h3>

The quadratic equation is given as follows:

mx² + 12x - 12.

<h3>What is the discriminant of a quadratic equation and how does it influence the solutions?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The discriminant is:

\Delta = b^2 - 4ac

The solutions are as follows:

  • If \mathbf{\Delta > 0}, it has 2 real solutions.
  • If \mathbf{\Delta = 0}, it has 1 real solutions.
  • If \mathbf{\Delta < 0}, it has 2 complex solutions.

For this problem, the coefficients are:

a = m, b = 12, c = -12.

Hence the discriminant is:

b² - 4ac = 144 + 48m.

We want it to be of 0, hence:

144 + 48m = 0

m = -144/48

m = -3.

More can be learned about the discriminant of a quadratic equation at brainly.com/question/19776811

#SPJ1

7 0
1 year ago
What is the mean absolute deviation of this data set, rounded to the nearest tenth?
vova2212 [387]

Answer:

The answer is C. (1.1)

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
May I have help on This question please I’m being Timed
Licemer1 [7]

Answer:

i belive it is 1,3,4,5

Step-by-step explanation:

4 0
3 years ago
Please help I really need it​
masha68 [24]

Answer:

There's 2: I've attached an image.

Step-by-step explanation:

Lines of symmetry are found when you fold it, and it's exactly the same on both sides of the line that you folded it.

If your teachers ask, no, it cannot be diagonal. The triangles would not match up.

6 0
2 years ago
Read 2 more answers
6 yards 9 feet 4 inches multiplied by 2
kirill115 [55]
1 yard is 3 feet
1 foot is 12 inches

Convert everything into inches:
9 x 12 = 108 in.
6 x 3 = 18 ft.
18 x 12 = 216

Add the inches together:
108 + 216 = 324 in

Multiply the inches by 2:
324 x 2 = 648 in

The answer is 648 inches.
3 0
3 years ago
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