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Shkiper50 [21]
2 years ago
13

Type the correct answer in each box. Use numerals instead of words.

Mathematics
1 answer:
deff fn [24]2 years ago
5 0

Step-by-step explanation:

x+y=84

x²=y+6

y+6+y=84

2y+6=84

2y=84-6

2y=78

y=39

x=84-39=45

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Jenny sent 640 texts in 8 days. At this rate, how many texts did she send in 3 days?
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Answer:

240 texts

Step-by-step explanation:

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3 years ago
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you are making sandwiches for a mountain hike.each sandwich uses 3 slices of bread,and you want to prepare 2 sandwiches for each
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3 years ago
a five question multiple choice quiz has five choices for each answer. use the random number table provided, with 0's representi
Montano1993 [528]

The experimental probability of correctly guessing at random exactly zero correct answers is (4/5)⁵

<h3>What is Probability?</h3>

Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event.

Here, total multiple choice quiz = 5 questions

          Each question contains 5 choices in which 1 choice is correct and remaining 4 are incorrect.

Possibility of first wrong choice = 4/5

Possibility of second wrong choice = 4/5

Possibility of third wrong choice = 4/5

Possibility of fourth wrong choice = 4/5

Possibility of fifth wrong choice = 4/5

Overall probability for Zero correct answer=(4X4X4X4X4)/(5X5X5X5X5)

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Thus, the experimental probability of correctly guessing at random exactly zero correct answers is (4/5)⁵

Learn more about Probability from:

brainly.com/question/11234923

#SPJ1

4 0
2 years ago
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pickupchik [31]
-21x+28 is factored into:

-7(3x-4)

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OLga [1]

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22%

Step-by-step explanation:

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3 years ago
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