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fredd [130]
3 years ago
7

(4x-1)(x+2)=4x Solve by using the quadratic formula.

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer:

-3+radical(41)/8 , -3-radical(41)/8

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If you multiply or divide both sides of an inequality by a negative number, you must __________ the inequality sign.
4vir4ik [10]

Answer:

B

Step-by-step explanation:

When you multiply both sides by a negative value you make the side that is greater have a larger negative number, which actually means it is now less than the other side. This is why you mathematically have to flip the sign whenever you multiply by a negative number.

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A2 - b2 - 2a + 1 plss give me answer fast
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( a − 1 + b )( a − 1 − b )

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What are the unit rates for  4/8 , 5/25, 36/6, 14/21, 18/30, 28/16, 56/35, 45/108, 12/42, 39/26
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Unit rates is same as nominator in this case it will be:
4,5,36,14,18,28,56,45,12,39
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3 years ago
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Each side of the square below is 8 inches. A triangle inside of a square. The top of the triangle divides a side of the square i
dmitriy555 [2]

The probability that a point is chosen at random in the square is in the blue region is 0.8.

<h3>What is Probability?</h3>

The probability helps us to know the chances of an event occurring.

\rm{Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}

As we know that the area of the shaded region is the sum of the area of triangle A and the area of triangle B. Therefore, the area of the blue shaded region is,

\text{Area of shaded region} = (\dfrac{1}{2} \times 8 \times 8) + (\dfrac{1}{2} \times 4 \times 8)

                                  = (32) + (16)\\\\= 48\rm\ in^2

The area of the square can be written as,

\text{Area of Square} = \rm(Side)^2 = 8^2 = 64\ in^2

Now, the probability that a point is chosen at random in the square is in the blue region can be written as,

\rm{Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}\\\\

\rm Probability = \dfrac{\text{Area of blue region}}{\text{Area of square}}\\\\Probability = \dfrac{48}{60} = 0.8

Hence, the probability that a point is chosen at random in the square is in the blue region is 0.8.

Learn more about Probability:

brainly.com/question/795909

8 0
2 years ago
Mina is analyzing products of negative numbers. Is the product (- 7.291015)(- 3.214195) • (- 2.124819) positive or negative? How
Musya8 [376]

Answer:

Step-by-step explanation:

Mina is analyzing products of negative numbers. Is the product (- 7.291015)(- 3.214195) • (- 2.124819) positive or negative? How do you know ? Explain your reasoning . If 99 negative numbers are multiplied together , is the product positive or negative ? How do you know ? Explain your reasoning

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