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valentina_108 [34]
3 years ago
5

Solve the quadratic equation for x.What is one of the roots?

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
8 0

Answer:

-13

Step-by-step explanation:

  • plug in each number for x, then follow orders of operations

(-13+6)^2

  • -7^2=49

(-6+6)^2

  • 0^2=0

(-7+6)^2

  • -1^2=1

(-1+6)^2

  • 5^2=25

zubka84 [21]3 years ago
7 0

-13 because 6 x 2 = 12 plus x = -13 x represents 1 btw
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Cross-multiply the proportion:      x³  =  (125)²

                                                            = 15,625

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Answer:

x=30

Step-by-step explanation:

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3 years ago
For each day in New England, the probability that it is mostly cloudy is 0.10 . Cindi is planning to go leaf watching, and her f
kolbaska11 [484]

Answer:

0,37

Step-by-step explanation:

It will be easier if we noun the events.

A= Cindi's friend comes to England.

B= New England is mostly cloudly.

We are searching the probability of just A doesn´t happen or just A happens but not B.

The probability of A doesn´t happen is one minus the probability of A:

=(A^{|} )=1-P(A)=1-0.7=0.3

The events A and B are independent for this reason the probability than both occurs is the product of the probability of each event. It means:

P(A \cap B)= P(A)P(B)=0.1*0.7=0.07

The probability of A doesn´t happen or A and B happen is:

P(A^{|} \cup (A \cap B))= P(A^{|} )+P (A \cap B)-P(A^{|} \cap A\cap B)=0.3+0.07-0=0.37

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