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3 years ago

9

PLEASE HELP, 30 POINT!!! The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilati

on with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2

1 answer:

Pachacha [2.7K]3 years ago

4 0

You would put the first number on the x axes then put the second number on the y axes

Hope this helps

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To prove that the triangles are similar by the SAS similarity theorem, it needs to be shown that

MakcuM [25]

Answer:

2 sides and angle between them are congruent to the same 2 sides and angle on the other triangle

Step-by-step explanation:

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2 years ago

Paul predicts that n stalks of corn planted together will produce (2n2–2n)(2n2–2n) ears of corn. If Paul plants three corn plant

Free_Kalibri [48]

Given that the production of n stalks of corn planted has been modeled by (2n^2-2n), then the approximate ears of corn produced by 3 stalks will be given by:
2n^2-2n
plugging in n=3 in the formula we get:
2(3)^2-2(3)
simplifying we get:
2(9)-6
=18-6
=12
the answer is: 12 ears

6 0

4 years ago

The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1400 hours and a standard deviatio

PolarNik [594]

Answer:

0.394 = 39.4% probability that a randomly chosen light bulb will last less than 1380 hours

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 question, we have that:

$\mu = 1400, \sigma = 75$

What is the probability that a randomly chosen light bulb will last less than 1380 hours, to the nearest thousandth?

This is the pvalue of Z when X = 1380. So

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

$Z = \frac{1380 - 1400}{75}$

$Z = -0.27$

$Z = -0.27$ has a pvalue of 0.394

0.394 = 39.4% probability that a randomly chosen light bulb will last less than 1380 hours

6 0

3 years ago

Please help!!! ive been stuck on this for 30 minutes now!

max2010maxim [7]

Answer:

f^-1 = 4(x-3)

Step-by-step explanation:

If f(x) = 1/4(x) + 3 we ned to find f^-1.

To find the inverse function, we need to solve the equation for "x", as follows:

f(x) = 1/4(x) + 3

y = 1/4(x) + 3

y-3 = 1/4(x)

4(y-3) = x

Now, change the "x" for an "y". And change the "y" for an "x":

4(x-3) = y

The solution is the last one.

7 0

3 years ago

Consider the conjecture any number divisible by 3 is divisible by 6 state whether a number is a counter example by answering yes

SIZIF [17.4K]

Answer:

12 yes 21 yes 23 no 30 yes 33 no 45 no

Step-by-step explanation:

6 0

3 years ago