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Arisa [49]
3 years ago
8

The weather forecast says that the probability of being cloudy tomorrow is 30% and the probability of raining is 25%. If it is c

loudy, the probability of it raining is 45%. what is the probability of it being cloudy and raining.
a. 7.5%
b. 15%
c. 13.5%
d. 11.25%​
Mathematics
1 answer:
Bumek [7]3 years ago
6 0
<h3>Answer:</h3>

\large\boxed{C).\,13.5\%}

<h3>Step-by-step explanation:</h3>

In this question, we're trying to find the probability of it being cloudy and raining.

In this case, we know that:

  • Probability of it being cloudy is 30%
  • Probability of it raining is 25% (this is necessarily not needed)
  • If it's cloud, the probability of it raining is 45%

With the information above, we can find the probability.

We know that from a 100% scale, the chance of it being cloudy is 30%.

We know that if it's cloudy, the chances of raining is 45%

To find the probability of it being cloudy and raining, we would multiply 0.3 (30%) by 0.45 (45%)

Solve:

0.3*0.45=0.135\\\\\text{Move the decimal place two times to the right}\\\text{to turn it into a percent}\\\\\boxed{13.5\%}

Your answer would be C). 13.5%

<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
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Given g(x)=5x+4, solve for x when g(x)=9
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Answer:

The value of <em>x</em> is equal to 1, written as <em>x</em> = 1.

General Formulas and Concepts:
<u>Algebra I</u>

Equality Properties

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  • Division Property of Equality
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Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = 5x + 4

g(x) = 9

<u>Step 2: Solve for </u><u><em>x</em></u>

  1. Substitute in function value:                                                                           9 = 5x + 4
  2. [Subtraction Property of Equality] Subtract 4 on both sides:                       5 = 5x
  3. [Division Property of Equality] Divide 5 on both sides:                                1 = x
  4. Rewrite:                                                                                                            x = 1

∴ when the function g(x) equals 9, the value of <em>x</em> that makes the function true would be <em>x</em> = 1.

---

Topic: Algebra I

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2 years ago
A dress is marked up 16 2/3 to a final price of 140. what is the original price
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163.38

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3 years ago
If ◻SLED ~ ◻PARK which of the following statements are incorrect?
san4es73 [151]

Answer:

  ◻DELS ~ ◻KARP is incorrect

Step-by-step explanation:

All of the similarity statements have corresponding letters in the same order except ...

  ◻DELS ~ ◻KARP . . . . (incorrect)

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The correct version would be ...

  ◻DELS ~ ◻KRAP

3 0
3 years ago
Need someone to help me please!
mylen [45]

Answer:

\huge\boxed{\sf A = 8\ cm\²}

Step-by-step explanation:

<u>Given data:</u>

Base = b = 4 cm

Height = h = 4 cm

<u>Required:</u>

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<u>Formula:</u>

A = bh / 2

<u>Solution:</u>

A = (4)(4) / 2

A = 16 / 2

A = 8 cm²

\rule[225]{225}{2}

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