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xenn [34]
3 years ago
11

I need help..Please make it correct..

Mathematics
1 answer:
STatiana [176]3 years ago
4 0

Answer:

11/13

Step-by-step explanation:

3/13, 5/13, 7/13, 9/13, <u>11/13</u>

3/13

3/13 + 2/13 = 5/13

5/13 + 2/13 = 7/13

7/13 + 2/13 = 9/13

9/13 + 2/13 = 11/13

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kondor19780726 [428]

Answer:

No real roots

Step-by-step explanation:

Given

7x² + 5x + 1 = 0 ← in standard form

with a = 7, b = 5, c = 1

To determine the nature of the roots use the discriminant

Δ = b² - 4ac

• If b² - 4ac > 0 then roots are real and distinct

• If b² - 4ac = 0 then roots are real and equal

• If b² - 4ac < 0 then the roots are not real

Here

b² - 4ac = 5² - (4 × 7 × 1) = 25 - 28 = - 3

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7 0
3 years ago
The ______________ probability of an outcome is obtained by dividing the frequency of occurrence of an event by the number of tr
Norma-Jean [14]

Answer:

Empirical probability

Step-by-step explanation:

Empirical probability is data collected from experiment and real-life situation.

The "empirical probability" of an outcome is obtained by dividing the frequency of occurrence of an event by the number of trails of the experiment.

\Longrightarrow: \sf{P(E)=\dfrac{\text{number of times event occured}}{\text{number of trails}}

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I hope this helps you! Let me know if my answer is wrong or not.

3 0
2 years ago
Y=f(x)=(4)^x find f(x) when x=-1
nexus9112 [7]

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f(-1) = 4^-1 = 1 / 4^1 = 1/4

Answer

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4 0
3 years ago
Read 2 more answers
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guajiro [1.7K]

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All triangles interior angles will at up to 180. 52.5+52.5= 105. 180-105= 75 degrees.

3 0
3 years ago
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