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2 years ago

Scientific notation

Mathematics

1 answer:

tatiyna2 years ago

7 0

Answer:

51,760

Step-by-step explanation:

Move the decimal place 4 tens places to the right (Positively)

51,760

I hope this helped!

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3 years ago

Write 70 20 in lowest terms.

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Answer: Find the GCD (or HCF) of numerator and denominator. GCD of 70 and 20 is 10.

70 ÷ 1020 ÷ 10.

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3 years ago

Solve 5n^2=5 with the quadratic formula

Yanka [14]

Answer:

n = 1

Step-by-step explanation:

First, rearrange the equation to standard form 0 = ax² + bx + c, when everything equals 0.

5n² = 5

5n² - 5 = 0

State the variables a, b and c.

a = 5; b = 0; c = -5

Substitute a, b, and c into the quadratic formula.

$n = \frac{-b ±\sqrt{b^{2}-4ac} }{2a}$

$n = \frac{-0 ±\sqrt{0^{2}-4(5)(-5)} }{2(5)}$ Substitute

$n = \frac{\sqrt{100} }{10}$ Simplify inside the √ and bottom

$n = \frac{10}{10}$ Simplify the top

$n = 1$ Final answer

Therefore the solution is n = 1.

The quadratic formula usually is written with x, but it can be solved with any variable in standard form.

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3 years ago

Find the probability distribution for the following function: P(x) = x/10 for x = 3, 5, and 7

Gemiola [76]

Answer:

3/10. 1/2 and 7/10

Step-by-step explanation:

For P(x) = x/10

When x = 3;

Then;

P(3) = 3/10

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Then;

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When, x = 7

Then;

P(7) = 7/10

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3 years ago

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