2 years ago

The discriminant finds the

1 answer:

4 0

Answer: The discriminant is the part of the quadratic formula underneath the square root symbol: b²-4ac. The discriminant tells us whether there are two solutions, one solution, or no solutions.

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Quadrilateral P'Q'R'S' is a dilation of the quadrilateral PQRS, with the origin as the center of dilation.

liraira [26]

Answer:

The rule used to create this dilation is 0.5

Step-by-step explanation:

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3 years ago

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Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box

pantera1 [17]

To find the z-score for a weight of 196 oz., use

$z=\frac{x-\mu}{\sigma}=\frac{196-180}{8}=\frac{16}{8}=2$

A table for the cumulative distribution function for the normal distribution (see picture) gives the area 0.9772 BELOW the z-score z = 2. Carl is wondering about the percentage of boxes with weights ABOVE z = 2. The total area under the normal curve is 1, so subtract .9772 from 1.0000.

1.0000 - .9772 = 0.0228, so about 2.3% of the boxes will weigh more than 196 oz.

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3 years ago

Please help, the problem is due tomorrow

Mrrafil [7]

245 should be closed

7 0

3 years ago

PLEASE SOMEONE HELP!!!!!!!!!!!!!!

dezoksy [38]

<1 and <2 are supplementary angles. They add up to 180 degrees.

92 and <2 are corresponding angles, they have the same measure.

So,<2 = 92 degrees

180-92= 88 degrees

<1= 88 degrees

I hope this helps!
~kaikers

7 0

3 years ago

Change the fraction 3/4 to a percent

Rom4ik [11]

To convert 3/4 to a percent we need to convert 3/4 to a decimal and then multiply the decimal by 100. Lets do it:-

To convert a fraction to a decimal we have to divide the numerator by the denominator.

3/4
3 ÷ 4 = 0.75

Decimal = 0.75

0.75 × 100 = 75
75%.

So, 3/4 in percent form is 75%.

Hope I helped ya!! xD

6 0

3 years ago