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sveta [45]
3 years ago
10

A multiple choice test contains 25 questions with 5 answer choices. What is the probability of correctly answering 8 questions i

f you guess randomly on each question?
Mathematics
1 answer:
klio [65]3 years ago
5 0

Answer: 0.0623

Step-by-step explanation:

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Please help and thx <br> .
alex41 [277]

Answer:

n=o

Step-by-step explanation:

3 0
3 years ago
Write the expression as either the sine, cosine, or tangent of a single angle.
olya-2409 [2.1K]
There exists a trigonometric identity which states that,
                  sin (A - B) = sin A cos B - cos A sin B
This is very similar to the given expression with A equal to 57° and B equal to 13°. The simplified form of the angle is,
                                 sin (57° - 13°) = sin 44°
5 0
3 years ago
Read 2 more answers
You want to buy birthday hats, cards, and teddy bears for your best friends birthday party. You buy the products for wholesale p
Naya [18.7K]

Answer:

I will create a five by four matrix to indicate the costs of the products.  The matrix will have five vertical columns and four horizontal rolls.  The vertical columns will show the product categories and the total costs for all the products and decorations.  The horizontal rolls will show the product costs, the decoration costs, and the total costs for each product category.

The size and shape of the matrix will be 5 by 4 with squared boxes.

Step-by-step explanation:

Products/Costs         Hats         Cards      Teddy    Total Costs

Product costs           $2.50       $0.90       $3.10        $6.50

Decoration costs      $1.50       $0.60        $1.70        $3.80

Total costs               $4.00        $1.50       $4.80       $10.30

6 0
3 years ago
Is -2/3 a rational number
Gelneren [198K]

Answer:

yes it is rational, as it can be expressed in the form p/q where p=-2 and q=3

Step-by-step explanation:

7 0
4 years ago
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Terrell needs the total weight of his backpack, water jug, and sleeping bag to be less than 11 kilograms. His backpack weighs 9,
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He did not divide his milligrams by the proper factor. He treated it as if it were only kilograms. He should have divided by a million. 
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3 years ago
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