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ss7ja [257]
3 years ago
8

Having trouble understanding the quadratic formula would appreciate the help.

Mathematics
1 answer:
Furkat [3]3 years ago
7 0

    The quadratic formula helps you solve a quadratic equation because sometimes quadratic equations are a lot harder to solve. It helps you find the two solutions on the parabola that makes the quadratic equation true. If you want the proof visit this link ---) https://youtu.be/r3SEkdtpobo , just copy and paste the link to get to the video. I hope this helps answer your lingering questions about the quadratic formula.    

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Which cannot be the angle measurements of triangle ABC? OmZA = 55°, mZB = 65°, mZC = 60°
Mashutka [201]

Answer:

Last option is the correct answer.

m\angle A = 61°, m\angle B = 57°, m\angle C = 61°

Step-by-step explanation:

Since, 61° + 57° + 61° = 179° < 180°

Therefore,

m\angle A = 61°, m\angle B = 57°, m\angle C = 61° cannot be the measurements of triangle ABC.

3 0
3 years ago
Anyone know how to solve these
natulia [17]

Answer:

1: 64π

2: 49π and 153.86

Step-by-step explanation:

For the first one we know that it has a diameter of 16 which means it has a radius of 8 (half the diameter)

To find the area of a circle use the following formula

π*r² where r is the radius

This means that the first answer is π*8^2

which is 64π

For the second one it's the same deal but the radius is 7

so the answer is 49π

8 0
3 years ago
The following are the ages (years) of 5 people in a room:
kiruha [24]
Answer:

Explanation:

Let x be the age of the person who enter the room

(18 + 25 + 18 + 21 + 16 + x)/6 = 25
(77 + x)/6 = 25
77 + x = 25(6)
77 + x = 150
x = 150 - 77
x = 73
4 0
3 years ago
A family drives 425 miles the first day, 187 miles the second day and 243 miles the third day of their vacation. The odometer re
Andreas93 [3]
The reader should say 48,481
7 0
4 years ago
Which inequality correctly compares two of these times? A) 54.05 &gt; 54.15 B) 54.5 &lt; 54.1 C) 54.15 &gt; 54.05 D) 54.1 &lt; 5
koban [17]

c is right answer because 54.15 is bigger than 54.05


3 0
3 years ago
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