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BlackZzzverrR [31]

3 years ago

12

Luis, Marrisa, and Federico are rasing money for a school field trip. Luis had raised 6/7 of the total amount needed, Marrisa ha

s raised 5/9 of the total amount needed and Federico has raised 11/10 of the total amount needed who raised the most money?

1 answer:

Margaret [11]3 years ago

7 0

Luis = 6/7
Marrisa = 5/9
Federico = 11/10 = 1 1/10

Greatest fraction = 1 1/10

Answer: Frederico raised the most.

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The sum of two numbers is equal to 495. The last digit of one of them is zero. If you cross the zero off the first number you wi

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Answer:

45 and 450

Step-by-step explanation:

let x be the bigger number and y the smaller number, then:

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3 years ago

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A car insurance company has determined that 66% of all drivers were involved in a car accident last year. Among the 1010 driver

jenyasd209 [6]

Answer: Our required probability is 0.618.

Step-by-step explanation:

Since we have given that

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Number of drivers = 10

Number of drivers involved in a car accident = 3

So, probability of drivers involved in car accident is given by

$\dfrac{3}{10}\\\\=0.3$

Probability of getting 3 or more who were involved in a car accident is given by

P(X≥3)=1-P(X=0)-P(X=1)-P(X=2)

Here,

$P(X=0)=^{10}C_0(0.7)^{10}=0.028\\\\P(X=1)=^{10}C_1(0.7)^9(0.3)=0.121\\\\P(X=2)=^{10}C_2(0.7)^8(0.3)^2=0.233$

So, our equation becomes

P(X≥3)=1-P(X=0)-P(X=1)-P(X=2)

$P(X\geq 3)=1-0.028-0.121-0.233=0.618$

Hence, our required probability is 0.618.

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3 years ago

Find the values for a, b, and c for this quadratic equation. -3x^2 - 5x = 1

Ne4ueva [31]

Answer:

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Step-by-step explanation:

Quadratic Equation: $ax^2+bx+c=0$

Hope this helps!

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2 years ago

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