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bagirrra123 [75]
3 years ago
11

Another quadratic formula and the discriminant problem that I am stuck on. the answer is {2, 1/2}

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

See explanation

Step-by-step explanation:

2b^2-5b+2=0

b=\dfrac{5\pm\sqrt{25-16}}{4}=\dfrac{5\pm3}{4}=\dfrac{8}{4}, \dfrac{2}{4}=2,1/2

Hope this helps!

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If there are 135 revolutions in 180 seconds how many revolutions in 40 seconds?
BartSMP [9]

Answer:

53.3 rotations

Step-by-step explanation:

135/180=x/40

solve by cross multiply

7 0
2 years ago
Explain plz I’ll give brainliest tysm!
Butoxors [25]

which one of them as the anwser to it means which of them is equal to them Step-by-step explanation: divid

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3 years ago
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I am ab to ask the HARDEST question in history... you ready?
barxatty [35]
0? I honestly had to think about this cause I’m so tired but tryna help folks lol
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Is the sum of the areas of two smaller squares equal to the area of a large square if the side lengths of the squares are 8 feet
Ivanshal [37]

No, the sum of the areas of two smaller squares is not equal to the

area of a large square

Step-by-step explanation:

To solve this problem let us do these steps

1. Find the area of the larger square

2. Find the area of the two smaller squares

3. Add the areas of the two smaller squares

4. Compare between the sum of the areas of the 2 smaller squares

   and the area of the larger square

The area of a square is s²

The length of the side of the larger square is 8 feet

∵ s = 8 feet

∴ Area of the larger square = (8)² = 64 feet²

The lengths of the sides of the smaller squares are 5 feet and 3 feet

∵ s = 5 feet

∴ The area of one of the smaller square = (5)² = 25 feet²

∵ s = 3 feet

∴ The area of the other smaller square = (3)² = 9 feet²

The sum of the areas of the two smaller squares = 25 + 9 = 34 feet²

∵ The area of the larger square is 64 feet²

∵ The sum of the areas of the two smaller squares is 34 feet²

∵ 64 ≠ 34

∴ The sum of the areas of two smaller squares is not equal to the

   area of a large square

<em>No, the sum of the areas of two smaller squares is not equal to the</em>

<em>area of a large square</em>

Learn more:

You can learn more about the areas of figures in brainly.com/question/3306327

#LearnwithBrainly

4 0
4 years ago
The Science Club went on a two-day field trip. The first day the members paid $50 for transportation plus
Anastasy [175]

Answer:

145 + 33n

Step-by-step explanation:

Let

n = number of members in the club

Day 1:

Cost = 50 + 18n

Day 2:

Cost = 95 + 15n

Total cost two-day field trip = day 1 + day 2

= (50 + 18n) + (95 + 15n)

= 50 + 18n + 95 + 15n

= 145 + 33n

Total cost two-day field trip = 145 + 33n

An expression that represents the total cost in dollars for two days for the n members of the club is given by 145 + 33n

4 0
3 years ago
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