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PolarNik [594]
3 years ago
11

What is the scale factor of the dilation of triangle DEF?

Mathematics
2 answers:
cluponka [151]3 years ago
8 0

Answer:

I don't know what triangle def side lengths are

Zielflug [23.3K]3 years ago
7 0

Answer:

I believe its A: 3/10

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Edward has $220 in his bank account. If he withdraws $55 from his account, what is the balance in his account?
fiasKO [112]

Answer:

165 dollars

Step-by-step explanation:

use any method that works

6 0
3 years ago
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A number cube is rolled in an experiment, and the frequency of each different roll is recorded. Image_8308 What is the experimen
timurjin [86]

Using it's concept, it is found that the experimental probability of getting a 4 or a 6 is of 0.2833 = 28.33%.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

For an experimental probability, these numbers of outcomes are taken from previous trials.

Researching the problem on the internet, it is found that the image gives that 13 + 11 + 9 + 8 + 10 + 9 = 60 trials, 8 + 9 = 17 resulted in a 4 or a 6, hence the probability is given by:

p = 17/60 = 0.2833.

More can be learned about probabilities at brainly.com/question/14398287

5 0
1 year ago
given the parallel lines cut by. a transversal , determine the value of x . please help due in 30 minutes
Mademuasel [1]

Answer:

x = 20

Step-by-step explanation:

The angles are same side interior angles so the add to 180

3x-10 + 5x+30 = 180

Combine like terms

8x +20 =180

Subtract 20 from each side

8x+20 -20 =180-20

8x = 160

Divide by 8

8x/8 =160/8

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7 0
3 years ago
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Help pleaseeeeeeeeeeeeeee
TEA [102]

Answer:

54m2

Step-by-step explanation:

Cut the shape into two - from the 9m length. One has 3m by 8m(ie 5m + 3m) dimensions, and the other 6m(ie 9m - 3m) by 5m dimensions.

Taking area of first one=24m2,then area of the second =30m2.

To get area of whole shape, we add both areas=54m2

NB:Area=l×b

4 0
2 years ago
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Assume the random variable X is normally distributed with mean muequals50 and standard deviation sigmaequals7. Find the 87 th pe
serious [3.7K]

Answer:

  57.885

Step-by-step explanation:

For such calculations a probability calculator is very helpful. The one in the attachment shows the 87th percentile to be 57.885.

___

A table of the standard normal distribution will tell you the 87th percentile corresponds to a z-value of 1.12639. Then the X value is ...

  X = Zσ +μ = 1.12639(7) +50 = 57.885

7 0
3 years ago
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