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HACTEHA [7]
3 years ago
12

Can someone please help with this ?

Mathematics
2 answers:
Feliz [49]3 years ago
7 0
The answer is Y=-2x




'
Shkiper50 [21]3 years ago
5 0
The answer is y= -2x
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On a standardized science test, the seniors at Fillmore High School have a mean score of 430 with a standard deviation of 90.
olasank [31]

Answer:

For random samples of 100 seniors, 68% of the sample means fall between 340 and 520

Step-by-step explanation:

As a property of normal distribution, 68% of sample means fall between mean - sigma(430 - 90 = 340) and mean + sigma (430 + 90 = 520) (here, sigma is standard deviation).

Hope this helps!

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3 0
3 years ago
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3 years ago
For the dilation, DO, K = (10, 0) → (5, 0), the scale factor is equal to _____. -5 5 0.5 2
ozzi

Answer:

The scale factor of the following dilation is, 0.5

Step-by-step explanation:

The rule of dilation with scale factor k is given by:

(x, y) \rightarrow (kx, ky)

As per the statement:

Given the following dilation:

(10, 0) → (5, 0)                 .....[1]

We have to find the scale factor.

Using the above rule we have;

(10, 0) \rightarrow (10k, 0k)

Now compare this with equation [1] we have;

(10k, 0) = (5, 0)

⇒10k = 5

After solving we get;

k = \frac{1}{2}=0.5

Therefore,  the scale factor of the following dilation is, 0.5

3 0
3 years ago
Read 2 more answers
X -4 -5 = -8 solve for x
PilotLPTM [1.2K]

Answer: x=1

Step-by-step explanation:

x - 4 -5 = -8      combine like terms on the left side

x - 9 = - 8      Add 9 to both sides

    +9    +9

x = 1

6 0
4 years ago
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Helppppp pleaseeeeeee?????
Sloan [31]

Answer:

It is A, i hope that answers your question

Step-by-step explanation:

7 0
3 years ago
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