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jeyben [28]
3 years ago
10

Help please Please I need help

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
6 0

Answer:

D. -2 and 6

Step-by-step explanation:

Use the quadratic formula to put either -2 or 6 in and get it to equal 0.

You might be interested in
in 2018 GRE scores were normally distributed with a mean of 303, and standard deviation of 13. Standford University Graduate sch
eduard

Answer:

The minimum score needed to be considered for admission to Stanfords graduate school is 328.48.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 303, \sigma = 13

What is the minimum score needed to be considered for admission to Stanfords graduate school?

Top 2.5%.

So X when Z has a pvalue of 1-0.025 = 0.975. So X when Z = 1.96

Z = \frac{X - \mu}{\sigma}

1.96 = \frac{X - 303}{13}

X - 303 = 13*1.96

X = 328.48

The minimum score needed to be considered for admission to Stanfords graduate school is 328.48.

3 0
3 years ago
How much taller is a meter stick than 65 cm<br><br><br> will mark as brainiest
Lisa [10]

Answer:

it's 13 meters taller

Step-by-step explanation:

both meters are not the same which means it can't be another number

7 0
3 years ago
WILL CHOOSE BRAINLIEST! Find the surface area of a box with a length of 5 inches, a width of 6 inches and a height of 8 inches ?
krek1111 [17]

Surface Area = 2×(5×6 + 5×8 + 6×8) = 236 meters²

Hope this helps! Stay safe, have a good day :D

6 0
2 years ago
Read 2 more answers
Julio bought 6 pairs of pants for a total of $330. Dress pants cost $60 and jeans cost $50. How many of each type of pants did h
noname [10]

Answer:

4 jeans and two dress pants.

Step-by-step explanation:

listein i know this might not make sense, but there can only be 6 pairs. and that was the closest i got. let me know if im wrong.

3 0
2 years ago
Read 2 more answers
Force (denoted by
Anna35 [415]

Answer:

kgm/s² or Newton

Step-by-step explanation:

According to Newton's second law of motion, F = ma

Force = mass × acceleration

Unit of mass is kilogram (kg)

Unit of acceleration is m/s²

According to the formula, we can say:

Unit of force = unit of mass × unit of acceleration

Unit of force = kg×m/s²

Unit of force = kgm/s² or Newton

8 0
3 years ago
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