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maw [93]
3 years ago
7

Which represents the inverse of the function f(x) = 4x?

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
7 0
The answer should be h(x)=x+4
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What is the slope of y=-1/3x+4the slope of y=-1/3x+4
charle [14.2K]

Answer:

-1/3

Step-by-step explanation:

y=mx+b where m=slope and b=y-intercept

8 0
3 years ago
Line GH contains points (-2,6) and H (5,-3). What is the slope of GH
svetlana [45]

Answer:

    -9/7

Step-by-step explanation:

To find the slope given 2 points, we use the formula

m = (y2-y1)/(x2-x1)

 where (x1,y2) and (x2,y2) are the two points

m = (-3-6)/(5--2)

m = (-3-6)/(5+2)

   = -9/7

8 0
3 years ago
Read 2 more answers
What equation represents a line that is parallel to y=3X +5
Lina20 [59]
A line that is parallel to another line will have the same slope, in our case, the slope of 3. Therefore, we can just change the y-intercept to create any line parallel to y=3x+5 (just remember to keep the slope the same). For example, y=3x+5, y=3x-9, and y=3x+6.2 are all equations that are parallel to y=3x+5.

:)

8 0
3 years ago
PLEASE HELPP!!! I HAVE 3 MINUTES
Rzqust [24]

Answer:

340 - 25 = 315

315/45 = 7

7 days

4 0
2 years ago
According to the WHO report, girls who are 2-years old have a mean head circumference of 47.18cm with a standard deviation of 1.
Verdich [7]

Answer:

1. z = -1.91429

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. 2.7792%

Step-by-step explanation:

1. Relative to the WHO data, what is this girls z-score?

z score formula is:

z = (x-μ)/σ, where

x is the raw score = 44.5 cm

μ is the population mean = 47.18cm

σ is the population standard deviation = 1.40cm

z = 44.5 - 47.18/1.40

z = -1.91429

What does the z score tell us?

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. Using the WHO data in a normal model, what percentage of the girls has a head circumference that is smaller than the girl with Down's Syndrome?

z score = -1.91429

Probability value from Z-Table:

P(z =-1.91429) = P(x<44.5) = 0.027792

Converting to percentage = 0.027792 × 100

= 2.7792%

6 0
2 years ago
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