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3 years ago

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At sea level, 0 ft elevation, the boiling point of water is 212degrees F, at an elevation of 6,500 ft the boiling point is only

200degrees F. Write a linear function , f(x) that describes the boiling point of water

1 answer:

Kobotan [32]3 years ago

6 0

Hmmmm this is tricky

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Which statement is true of normally distributed data?

gogolik [260]

<em>C</em>

Approximately 95% of data falls within 2 standard deviations (±2) of the mean.

<em>Explanation</em>

According to the empirical rule of normal distribution:

Approximately 68% of the data falls within ±1 standard deviation of the mean

2. Approximately 95% of the data falls within ±2 standard deviations of the mean

3. Approximately 99.7% of the data falls within ±3 standard deviations of the mean.

Therefore, among the given options, only option C adheres to the empirical rule of the normal distribution. Therefore, the option C is correct

5 0

3 years ago

Read 2 more answers

2x2 – 9x + 2 = –1

Reika [66]

Answer:

C) The discriminant is greater than 0, so there are two real roots

Step-by-step explanation:

<u>Discriminant</u>

$b^2-4ac\quad\textsf{when}\:ax^2+bx+c=0$

$\textsf{when }\:b^2-4ac > 0 \implies \textsf{two real roots}$

$\textsf{when }\:b^2-4ac=0 \implies \textsf{one real root}$

$\textsf{when }\:b^2-4ac < 0 \implies \textsf{no real roots}$

$2x^2-9x+2=-1$

$\implies 2x^2-9x+3=0$

$\implies a=2, b=-9, c=3$

$\begin{aligned}b^2-4ac &=(-9)^2-4(2)(3)\\& =81-24\\&=57 > 0\implies \textsf{two real roots}\end{aligned}$

5 0

2 years ago

H (x) =4x-2 complete the function table

Helen [10]

<em>Note: </em>

<em>You did not mention the table of the points. But, I would try to clear your concept by taking 6 sample points.</em>

Answer:

The table and the graph of the function h(x) = 4x-2 is also attached below.

Step-by-step explanation:

Given the function

$h(x) = 4x-2$

substituting x = 0 in the function

h(0) = 4(0) -2 = 0 -2 = -2

Therefore, the point (0, -2) satisfies on the function.

substituting y = 1 in the function

h(1) = 4(1) -2 = 4 -2 = 2

Therefore, the point (1, 2) satisfies on the function.

substituting y = 2 in the function

h(2) = 4(2) -2 = 8 -2 = 6

Therefore, the point (2, 6) satisfies on the function.

substituting y = 3 in the function

h(3) = 4(3) -2 = 12 -2 = 10

Therefore, the point (3, 10) satisfies on the function.

substituting y = 4 in the function

h(4) = 4(4) -2 = 16 -2 = 14

Therefore, the point (4, 14) satisfies on the function.

substituting y = 5 in the function

h(5) = 4(5) -2 = 20 -2 = 18

Therefore, the point (5, 18) satisfies on the function.

Therefore, we conclude that table:

x h(x) = 4x-2

0 -2

1 2

2 6

3 10

4 14

5 18

The graph of the function h(x) = 4x-2 is also attached below.

5 0

3 years ago

Pls help! Due soon!!

bogdanovich [222]

Answer:

See below ~

Step-by-step explanation:

1. 3d + 2

2. John = Kelly - 6

3. y/4 - 3

4. Thomas = 2(Luis)

5. 8p + 6

6. x³ + 5

3 0

2 years ago

If you cross multiply 10 over 2.4=15 over x

likoan [24]

IO/2.4 = I5/x
IOx = 36
x = 3.6

8 0

3 years ago