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Thepotemich [5.8K]
3 years ago
10

Plz help me on this question! I will make you the brainlest! Thanks!

Mathematics
2 answers:
babunello [35]3 years ago
8 0

3 x 0.25

You would times the $3 by 0.25 because that is the discount

You would get the answer

0.75 = 3 x 0.25

Subtract 0.75 by 3 because 0.75 is just the discount

3 - 0.75 = 2.25

Do the same steps for the 20% off but starting with 2.25 this time

2.25 x 0.2 = 0.45

2.25 - 0.45 = 1.8

The final price of the cereal would be $1.8

zhenek [66]3 years ago
4 0

discount of 25% means you're paying (100% -25%) = 75% of the original price. An additional discount of 20% means you're paying (100% -20%) = 80% of the discounted price. In the end, you're paying

 $3.00*75%*80% = $1.80


The final price of the cereal is $1.80.


plz mark as brainliest answer

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Compare the theoretical probability to the experimental probability of landing on H.
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The correct statement comparing the theoretical and experimental probabilities is given as follows:

\frac{1}{4} < \frac{7}{25}.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

The theoretical probability is taken before any experiment. Since the four sections are equal, the theoretical probability is:

T(H) = 1/4.

The experimental probability is taken considering previous experiments. Out of 100 tosses, 28 landed on H, hence:

E(H) = 28/100 = 7/25.

Hence the correct statement is:

\frac{1}{4} < \frac{7}{25}.

More can be learned about probabilities at brainly.com/question/14398287

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Holly has 56 peices of paper and 8 paper clips. If she clips the same amount of paper together with each paper clip, how many pe
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56/8 = 7 pieces of paper

Step-by-step explanation:

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Bianca's bank offers a savings account with a 2.1% APR, compounded monthly. What is the actual annual percentage yield on this a
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2.1 x 12 = 25.2% is the percentage yield
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3 years ago
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Which expression is equivalent to (^5sqrt3^2)^1/3
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3^2/15

Step-by-step explanation:

(^5sqrt3^2)^1/3

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6 0
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A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by th
olchik [2.2K]

Answer:

14.52 seconds.

Step-by-step explanation:

We have been given that the height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation y=-16x^2+224x+121. We are asked to find the time, when the rocket will hit the ground.

We know that the rocket will hit the ground, when height will be 0. So to find the time when rocket will hit the ground, we will substitute y=0 in our given equation as:

0=-16x^2+224x+121

Let us solve for x using quadratic formula.

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-224\pm\sqrt{224^2-4(-16)(121)}}{2(-16)}

x=\frac{-224\pm\sqrt{50176+7744}}{-32}

x=\frac{-224\pm\sqrt{57920}}{-32}

x=\frac{-224\pm240.66574}{-32}

x=\frac{-224+240.66574}{-32}, x=\frac{-224-240.66574}{-32}

x=\frac{16.66574}{-32}, x=\frac{-464.66574}{-32}

x=-0.520804375, x=14.520804375

Upon rounding to nearest 100th of second, we will get:

x\approx -0.52, x\approx 14.52

Since time cannot be negative, therefore, the rocket will hit the ground after 14.52 seconds.

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4 years ago
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