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4 years ago

What’s the answer I don’t understand it

Mathematics

1 answer:

slamgirl [31]4 years ago

7 0

Step-by-step explanation:

Empty boxes need to be filled with coefficients of $x^2,\:\: x \:\: \&\:\: constant \:\: term$

First box: 3

Second box: 3

Third box: 1

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Jordan saved $15 because she bought a pair of jeans on sale for 40% off. What was the original cost of the jeans?

polet [3.4K]

25 Dollars

15x100/60=25$
i got the 60 from 100-40 (40%off)
then 15 times 100 and divide that by 60

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3 years ago

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Fiona wrote the linear equation y =2/5 x – 5. When Henry wrote his equation, they discovered that his equation had all the same

Semmy [17]

I would say its D becayse of the x + y = C form.

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3 years ago

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In a large school, it was found that 77% of students are taking a math class, 74% of student are taking an English class, and 70

Iteru [2.4K]

Answer:

0.81 = 81% probability that a randomly selected student is taking a math class or an English class.

0.19 = 19% probability that a randomly selected student is taking neither a math class nor an English class

Step-by-step explanation:

We solve this question working with the probabilities as Venn sets.

I am going to say that:

Event A: Taking a math class.

Event B: Taking an English class.

77% of students are taking a math class

This means that $P(A) = 0.77$

74% of student are taking an English class

This means that $P(B) = 0.74$

70% of students are taking both

This means that $P(A \cap B) = 0.7$

Find the probability that a randomly selected student is taking a math class or an English class.

This is $P(A \cup B)$ , which is given by:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

$P(A \cup B) = 0.77 + 0.74 - 0.7 = 0.81$

0.81 = 81% probability that a randomly selected student is taking a math class or an English class.

Find the probability that a randomly selected student is taking neither a math class nor an English class.

This is

$1 - P(A \cup B) = 1 - 0.81 = 0.19$

0.19 = 19% probability that a randomly selected student is taking neither a math class nor an English class

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3 years ago

Helppppp 10points plz

ale4655 [162]

What is the question?

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4 years ago

A solar powered water pumping system in Desert Range, Utah, has six solar panels, each containing 6 rows modules. Each row has 6

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36 modules
6modulesx6modules=36midules

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3 years ago