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Daniel [21]
2 years ago
15

Help, I am confused although I think this is simple

Mathematics
2 answers:
Leviafan [203]2 years ago
7 0

Answer:

b not shure tho so yeah bye anwser is B

Assoli18 [71]2 years ago
5 0

Answer:

A) 8

Step-by-step explanation:

Factor the number: 512=8^{3}

   = \sqrt[3]{8^{3} }

Apply the radical rule: \sqrt[n]{a^{n} } = a, a\geq0

You get your answer: 8

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kap26 [50]

Answer: x^(2)-3x-28=0

Step-by-step explanation:

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3 years ago
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Solve the system and round to the nearest hundredth. Enter the
hram777 [196]

Answer:

Step-by-step explanation:

xy = 300

x + y = 50                       Solve for y

y = 50 - x                        substitute into xy = 300

x(50 - x) = 300               Remove the brackets.

50x - x^2 = 300             Bring the left to the right.

0 = x^2 - 50x + 300

This is a quadratic. It will have 2 solutions.

a=1

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Put these into the quadratic equation.

It turns out that x has two values -- both plus

x1 = 42.03

x2 = 6.97

x1 + y1 = 50

42.03 + y = 50

y = 50 - 42.03

y = 7,97

(42.03 , 7.97)

====================

x2 + y2 = 50

6.97 + y2 = 50

y2 = 50 - 6.97

y2 = 43.03

(6.97 , 43.03)

6 0
3 years ago
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A student must choose one of the subjects, art, geology, or psychology, as an elective. She is equally likely to choose art or p
labwork [276]

Answer:

P (arts) = 0.25

P (psychology) = 0.25

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Step-by-step explanation:

Let the probability of choosing art = x

As given that she is equally likely to choose art or psychology and twice as likely to choose geology.

So,

P (arts) = x = P (psychology)

P (geology) = 2x

The sum of the probability = 1

So,

P (arts) + (psychology) + P (geology) = 1

x + x + 2x = 1

<u>x = 0.25</u>

<u>P (arts) = x = 0.25</u>

<u>P (psychology) = x = 0.25</u>

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5 0
4 years ago
Jake goes to School every 4 days and private School every 6 days. If he goes to both on October 3rd, on what date will he go to
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Answer:

The 15th of October

Step-by-step explanation:

Its the 15 of october because is you add 4 three times it adds up to wen 6 is added twice

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4 years ago
Of the 1,400 students enrolled at Berkmar Middle School, 40% of the students enrolled are in the 6th grade. How many students ar
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Answer:

560

Step-by-step explanation:

Divide 1400 by 100

Get 14

Multiply this by the 40 percent

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3 years ago
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