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Stels [109]
3 years ago
6

What is the discriminant of the quadratic equation 0 = –x2 + 4x – 2?

Mathematics
1 answer:
daser333 [38]3 years ago
3 0
√8 is the discriminant
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PLEASE HELP!! I WILL MARK BRAINLIST
marishachu [46]

Answer:

m∠5 = 44°; m∠7 = 44°

Step-by-step explanation:

Angle 4 and 1 are supplementary (they make up a line) and their sum is equal to 180 degrees.

Subtracting the measure of angle 4 from 180 degrees gives the measure of angle 1. (180 - 136 = 44).

So Angle 1's measure is 44 degrees.

According to the Corresponding Angle Postulate, Angle 1 and Angle 5 are congruent. Therefore, m∠5 = 44°

According to the Vertical Angles Postulate (if two angles are vertical, they are congruent), ∠5 ≅ ∠7, meaning that m∠5 = m∠7.

So m∠7 = 44°

6 0
2 years ago
What is the solution set to 8(2x - 3) s 20 - 4X?
Zolol [24]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
Help help help help math
lidiya [134]

Answer:

Step-by-step explanation:

2x+y

=2(2)+1

=4+1

=5

3 0
2 years ago
Read 2 more answers
HELPPP WHAT IS THE ANSWER DONT SENT A FILE PLZ EXPLAIN STEP BY STEP PLZ I DINT HAVE A LOT OF TIME
Shtirlitz [24]

Answer:

(x+3, y+2)

Step-by-step explanation:

choose a letter: let's use points A and A'

A: (-3, 3)

A': (0, 5)

the rule would be (x+3, y+2) because (-3+3, 3+2) = (0,5)

Try it on another point:

B: (-4, 0)

B': (-4+3, 0+2) = (-1, 2) which checks out!

7 0
3 years ago
A $15,000, 11 percent, 120-day note, dated Sept. 3, is discounted on Nov. 11. Assuming a bank discount rate of 9 percent, the pr
Fantom [35]
First find the maturity value of the note, 15000+[15000*0.11*120/360]=15,550then find the term of discount,120-[27+31+11]=51daysthen multiply the maturity value by discount rate and the term of discount, 15,550*0.09*51/360=198.26then get the difference between the maturity value and the discount,15550-198.26=15,351,74So,the proceeds is 15,351.74 which is #2
8 0
3 years ago
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