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Finger [1]
3 years ago
8

Which of the following statements are true of the discriminant? The discriminant is b2 – 4ac in the quadratic formula. The discr

iminant is the denominator in the quadratic formula. The discriminant is the radicand of the quadratic formula. The discriminant is the value under the radical in the quadratic formula. The discriminant is the value in front of the radical in the quadratic formula.
Mathematics
2 answers:
steposvetlana [31]3 years ago
7 0
A is true If im not mistaking 
Vlada [557]3 years ago
5 0

SOS

Answer:

The answers are:

  1. The discriminant is b^2-4ac in the quadratic formula.
  2. The discriminant is the radicand of the quadratic formula.
  3. The discriminant is the value under the radical in the quadratic formula.

<em>Hope this helps!!</em>


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Air-USA has a policy of booking as many as 24 persons on an airplane that can seat only 22. (Past studies have revealed that onl
Alex17521 [72]

Answer:

B. no, it is not low enough

A. no, it is not low enough

Step-by-step explanation:

Given that Air-USA has a policy of booking as many as 24 persons on an airplane that can seat only 22.

Prob for  a random person booked arrive for flight = 0.86

No of persons who books and arrive for flight, X is binomial, since there are two outcomes and each person is independent of the other

The probability that if Air-USA books 24 persons, not enough seats will be available

= P(X=23)+P(x=24)

= 0.1315

B. no, it is not low enough

-------------------------------

The prob we got is >10% also

A. no, it is not low enough

7 0
3 years ago
HELP ME PLZ. I have no clue how to do this.
Varvara68 [4.7K]

Answer:

32

Step-by-step explanation:

3x+1=8x-24

25=5x

x=5

3 times 5 plus 1 is 16 and so the length is 32

comment section:

XM=MY because MN is segment bisector

XM=3x+1=3*5+1=16=MY and since XM+MY=XY 16+16=32

3 0
3 years ago
Samantha and Luis are attempting to determine the average number of library books that seventh-grade students check out at one t
postnew [5]

Answer:

A

Step-by-step explanation:

Luis because the sample is taken from the population of all seventh graders.

6 0
3 years ago
Read 2 more answers
In six grade class, 3/7 of the students are boys, and 5/8 of these boys are in Ms. Jones’ class. What fraction of the entire six
Damm [24]

Think of the entire population of 6th graders here. 3/7 are boys and 4/7 are girls. 5/8 of these boys are in Ms. Jones' class; that fraction would be (5/8)(3/7), or 15/56. This 15/56 represents the fraction of the entire sixth grade class who are in Ms. Jones' class.


8 0
3 years ago
Read 2 more answers
- 7 ( z - 6 ) = - 70
NemiM [27]

Answer:

z=16

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−7(z−6)=−70

(−7)(z)+(−7)(−6)=−70(Distribute)

−7z+42=−70

Step 2: Subtract 42 from both sides.

−7z+42−42=−70−42

−7z=−112

Step 3: Divide both sides by -7.

−7z /−7 = −112 /−7

z=16

7 0
3 years ago
Read 2 more answers
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