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Juliette [100K]
3 years ago
7

Find three consecutive odd integers such that the square of the second decreased by four times the first is seven more than six

times the third.
please help
Mathematics
1 answer:
pentagon [3]3 years ago
5 0

Answer:

x, x+2, x+4

(x+2)^2 - 4(x) = 6(x + 4) + 7

x^2 + 4x + 4 - 4x = 6x + 24 + 7

x^2 - 6x - 27 = 0

x = 9 (∨ x = -3)

The three numbers are

9, 11, 13

but it could be also

-3, -1, 1

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I’ll give you brainliest help me.
Oksanka [162]

The correct answer is B

3 0
4 years ago
The probability that a car will have a flat tire while driving through a certain tunnel is 0.00005. Use the Poisson distribution
timama [110]

Answer: D. 0.1217

Step-by-step explanation:

Given : The probability that a car will have a flat tire while driving through a certain tunnel :p=0.00005.

n= 14000

Then, the mean number of cars will have a flat tire while driving through a certain tunnel = np

=14000\times0.00005=0.7

Poisson Distribution Formula : P(x)=\dfrac{e^{-\lambda} \lambda^x}{x!}

For x= 2

P(2)=\dfrac{e^{-0.7} (0.7)^2}{2!}=0.121663399429\approx0.1217

Hence, the required probability = 0.1217

5 0
4 years ago
Find the measure of each of the numbered angles. Explain your reasoning for each angle
d1i1m1o1n [39]

Answer:

∠1 = 47

∠2 = 63

∠3 = 70

∠4 = 70

Step-by-step explanation:

∠2 and 63 are alternate interior angles. Alternate interior angles are equal.

∠2 = 63

∠3 and 110 are linear pair angles. Sum of linear pair angles is 180.

∠3 + 110 = 180

∠3 = 180 - 110

∠3 = 70

GDEF is a parallelogram, so ∠DGF = ∠DEF

That is,

∠3 = ∠4

∠4 = 70

∠1, ∠2 and ∠3 are interior angles in a triangle.

Sum of interior angles in a triangle is 180,

∠1 + ∠2 + ∠3 = 180

∠1 + 63 + 70 = 180

∠1 + 133 = 180

∠1 = 180 - 133

∠1 = 47

8 0
3 years ago
21. Water that is sprayed upward from a
sleet_krkn [62]

Answer:

  • 2 seconds to maximum height
  • 20 meters maximum height
  • 4 seconds to reach the ground

Step-by-step explanation:

The function can be graphed using a graphing calculator, geometry app, or spreadsheet. One such graph is attached. Often, these tools are capable of identifying extrema and intercepts.

__

<h3>extreme</h3>

The vertex of the graph is reported as (x, y) = (2, 20). This means the maximum height is reached after 2 seconds. That maximum height is 20 meters.

__

<h3>intercept</h3>

The drop is launched from ground level at x = 0 seconds. It returns to ground level at x = 4 seconds.

3 0
2 years ago
Twenty years ago a small town in Texas had a population of 10,000. The population has increased 8% each year since then. What eq
andrezito [222]

Answer:

yea

Step-by-step explanation:

4 0
3 years ago
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