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Eduardwww [97]
3 years ago
14

Frank’s quarter grades are 82.5, 94.7, and 87.9. What grade, rounded to the nearest percent, will Frank have to earn in the last

quarter to receive at least a 89% final course grade?
A.89%

B.92%

C.91%

D.90%
Mathematics
1 answer:
kirza4 [7]3 years ago
7 0
90.9 

<span>or your closest
C.) 91%</span>
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Step-by-step explanation:

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3 years ago
(5 points) An urn contains two blue balls denoted by B1 and B2, and three white balls denoted by W1, W2 and W3. One ball is draw
never [62]

Answer:

The probability of the event that first ball that is drawn is blue  is \frac 25.

Step-by-step explanation:

Probability:

If S is is an sample space in which all outcomes are equally likely and E is an event in S, then the probability of E,denoted P(E) is

P(E)=\frac{\textrm{The number of outcomes E}}{\textrm{The total number outcomes of S}}

Given that,

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=5²

=25

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B₁B₁ , B₁B₂ , B₁W₁ , B₁W₂ , B₁W₃ , B₂B₁ , B₂B₂ ,  B₂W₁ , B₂W₂ , B₂W₃

The number of event that the first ball that is drawn is blue is

=10.

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3 years ago
X^2+2x-5=0 quadratic form
julsineya [31]

Answer:

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-1-√6

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x₁=(-2+2√6)/2 or (-2-2√6)/2

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