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meriva
3 years ago
14

PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER

Mathematics
2 answers:
Neporo4naja [7]3 years ago
7 0

i think its B 1/3 for you hope that help


sladkih [1.3K]3 years ago
5 0

the answer is B .) 1/3




















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If the Washington Monument is 3025 square feet and an average gallon of paint covers 400 square feet, how much paint would it ta
Reika [66]

Divide total area by area of a gallon of paint:

3025 / 400 = 7.56

Because there is a decimal answer you need to round up tot he next whole number.

You would need 8 gallons of paint.

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3 years ago
Maria has a portfolio consisting of 7 shares of stock A (purchased for $70 per share) and 4 shares of stock B (purchased for $10
Vlad [161]

Answer:

Hence, the expected rate of return after 1 year for Mary's portfolio is 0.17751

Step-by-step explanation:

We have,

Purchase 7 shares of stock A  for $70 per share and 4 shares of stock B for $100 per share then The expected rate of return after 1 year for Mary's portfolio.

Weight invested in stock A is W_x=\frac{7\times 70}{7\times 70+4\times 100}

                                               \Rightarrow W_x=\frac{490}{490+400}\\\Rightarrow W_x=\frac{490}{890}\\\Rightarrow W_x=\frac{49}{89}\\\Rightarrow W_x=0.5505

Weight invested in stock B isW_y=\frac{4\times 100}{7\times 70+4\times 100}

                                             \Rightarrow W_y=\frac{400}{490+400} \\\Rightarrow W_y=\frac{400}{890} \\\Rightarrow W_y=\frac{40}{89} \\\Rightarrow W_y=0.4494

The expected value of the rate of return=W_x\times\;\text{expected rates of stock A}+W_y\times\;\text{expected rates of stock B}

=0.5505\times0.02+0.4494\times0.15

=0.01101+0.06741

=0.17751

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3 years ago
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Answer:

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Step-by-step explanation:

we must know what is the speed of sound to determine the distance at which the ray originated

The speed at which the sound of lightning travels is approximately 0.340km/s

then

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3 years ago
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In 9 hours, Jane reads 63 chapters of a book. whats is her rate in chapters per hour?​
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put 63 and 9 into a ratio. so it’s 63 chapters to 9(63:9) .

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