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irakobra [83]
3 years ago
8

Please help I’ll give points + brainalist

Mathematics
2 answers:
Tresset [83]3 years ago
5 0

Step-by-step explanation:

d part is the answer

it it was the same as the last time you had

gregori [183]3 years ago
3 0

Answer:

hi sjsjsejrjhrhrjrjehhwhkekekhehe

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The speed of light is about 1.86×10^5 miles per second. The star Sirius is about 5.062×10^13 miles from Earth. About how many se
marysya [2.9K]

Answer:

2.72 × 10^8 seconds

Step-by-step explanation:

1. Organize the given information to help you create the equation:

- Light travels 1.86 × 10^5 miles per 1 second

- Light travels 5.062 × 10^13 miles per <em>n</em> seconds

- Need to solve for <em>n</em>

2. Set up the equation (Make sure that both numerators and both denominators match units, so the seconds are either both on top or both on bottom, NOT switched):

\frac{1.86 * 10^5}{1} = \frac{5.062 * 10^1^3}{n}

3. Cross multiply (Multiply the first fraction's numerator by the second's denominator, and vice versa. It doesn't matter what number is on which side of the = sign)

<em>n </em>× (1.86 × 10^5) = 5.062 × 10^13

4. Solve for <em>n</em> by isolating the variable and dividing.

\frac{n (1.86 * 10^5)}{1.86 * 10^5} = \frac{5.062 * 10^1^3}{1.86 * 10^5}

<em>n</em> = \frac{5.062 * 10^1^3}{1.86 * 10^5}

<em>n </em>= 2.72 × 10^8 (Make sure to include the unit, seconds)

4 0
3 years ago
F(x) = -2x^3+6x-4, g(x) = -1/2f(x)
m_a_m_a [10]
That’s good because I can’t be motivated
6 0
3 years ago
Which point is located at (-1,11/4)
slava [35]

Answer:

The answer to your question is A

Please mark this answer as brainliest.

4 0
3 years ago
I need help with this. Thank you so much!
katovenus [111]
Sorry I don't know but good luck!
8 0
3 years ago
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100.00 decreased by 20%<br> Please help
Charra [1.4K]

Answer: If Percentage decrease % = 20%, (1 - Percentage decrease %) = 1 - 20% = 100/100 - 20/100 = 80/100 = 0.8 => Percentage decreased number = 0.8 × Initial value

Step-by-step explanation: Number 100 decreased by 20% (20 percent) of its value (percentage decrease) and calculated absolute change (actual difference)

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