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Alex73 [517]
3 years ago
7

Anser and i'll gige brainly

Mathematics
1 answer:
Vilka [71]3 years ago
7 0

Answer:

b² - 4ac > 0

Step-by-step explanation:

Conditions for the discriminant

• If b² - 4ac > 0 then 2 real and distinct roots

• If b² - 4ac = 0 then 2 real and equal roots

• If b² - 4ac < 0 then no real roots

Here the roots are x = 0 and x = 4

That is 2 real and distinct roots , then

b² - 4ac > 0

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PLEASE HELP ME WITH THIS
gladu [14]

Answer:

7

232

Step-by-step explanation:

First

Normally the average of something is total something over total time. I'll do it that way and see what happens.

The total time is ( 4 - 2) = 2 hours.

f(x) = 2^4 - 2 = 14

Change = 14/2 = 7 per hour.

Second

Average = Increase / time.

10000 (1.02)^10 - 10000 * (1.02)^5

10000*1.22 - 10000*1.104

12,200 - 11040

1160

The average per year = 1160 / 5 = 232

8 0
3 years ago
Name the angle in four ways. Then classify the angle as acute,right,obtuse, or straight.
kirill115 [55]

Answer:

∡RST

∡S

∡TSR

∡4

this appears to be an obtuse angle

Step-by-step explanation:

∡RST

∡S

∡TSR

∡4

this appears to be an obtuse angle

5 0
3 years ago
Can somebody please help with this? ​
Digiron [165]

Answer:

x=8°

y= 96°

z= 96°

Step-by-step explanation:

Solve for z first. The whole circle is 360° so if you only count half the angles it will add up to 180°.

Solve for z:

48+36+z=180°

84+z+180°

z=96°

Now that you have z you can solve for x by using only the bottom half of the circle.

z+36+6x=180° *remember z=96

96+36+6x=180

132+6x=180

6x=48

x=8°

Now you can solve for y by either plugging x into an equation or by knowing that opposite angles are equal.

y=96°

6 0
4 years ago
PLEASE HELP!!!! what is the slope of the line that passes through the pair of points
olasank [31]
<span>(-2,7)
(18,1)

Slope = difference in "y" / </span><span>difference in "x"

Slope = 7 - 1 / -2 -18
</span>
<span>Slope = -6 / -20

Answer is 2) -3 / 10

</span>
4 0
3 years ago
Solve for x: 7x + 15 <br> ANSWER NEEDS to be in FRACTION form
WINSTONCH [101]

Answer:so I got 22 but I don’t know how you could put as a fraction

Step-by-step explanation:

3 0
4 years ago
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