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3 years ago

Which expression is represented by the model

Mathematics

2 answers:

kramer3 years ago

6 0

Answer:

hope this helps

have a good day :)

Step-by-step explanation:

Dimas [21]3 years ago

6 0

Answer:

Step-by-step explanation:

There are 3 out of 8 shaded in the box, and there are two whole ones, making it:

2 × 3/8

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Have a good day :)

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The distance light travels in one year is known as a light year. A light year is equal to 5.87 × 1012 miles. The closest that Ea

pashok25 [27]

Answer:

$6.21\times 10^{-5}\ \text{light years}$

Step-by-step explanation:

The distance light travels in one year is known as a light year.

$1\ \text{light year}=5.87\times 10^{12}\ \text{miles}$

The closest that Earth ever gets to Jupiter is $3.65\times 10^8\ \text{miles}$

$3.65\times 10^8\ \text{miles}=\dfrac{1}{5.87\times 10^{12}}\times 3.65\times 10^8\ \text{light years}\\\\=6.21\times 10^{-5}\ \text{light years}$

Hence, the distance it will take light to travel from Earth to Jupiter at this distance is $6.21\times 10^{-5}\ \text{light years}$

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3 years ago

Find the probability p(e or f) if e and f are mutually exclusive, p(e)equals 0.25, and p(f)equals 0.51.

Masteriza [31]

The definition of two events being mutually exclusive (or disjoint) only means that it is not possible for the two events to occur together. Given two events, E and F, they are mutually exclusive and also mean independent.

In this case, since events E and F are mutually exclusive, therefore the probability that either E or F will occur will simply be the sum of two events.

P (E or F) = P (E) + P (F)

P (E or F) = 0.25 + 0.51

P (E or F) = 0.76

Therefore this means that there is a 76% probability that either E or F will occur.

8 0

3 years ago

Define a variable, write an equation and solve: An investment increased 30% before taxes. $200 was withdrawn to pay taxes and th

strojnjashka [21]

Answer:

$1307.69

Step-by-step explanation:

Let the original investment be x.

Note that a 30% increase in a value is equal to multiplying a value by 130% and a withdrawal is to take out money. The final amount is $1500. Let’s write the equation with the information we have.

Equation:

130%x - 200 = 1500

(130/100)x = 1700

x = 1700(100/130) = $1307.69

I hope this helps! :)

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3 years ago

If f(x) = 4x2 + 1 and g(x) = x2 - 5, find (f - g)(x).<br><br> HELPPPP NOWWW

4vir4ik [10]

C. 3x^2+6 is the answer:)

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3 years ago

Elena has $80 in a savings account. The interest rate is 5% per year and 1 point

Trava [24]

Don’t know just need points

6 0

2 years ago