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mylen [45]
2 years ago
5

Which choices are real numbers? Check all that apply.

Mathematics
2 answers:
mash [69]2 years ago
7 0
A and C are the real numbers
Romashka-Z-Leto [24]2 years ago
5 0

Answer:

c , a

Step-by-step explanation:

When the denominator of power is even, the expression should not be negative. there is no limit for odd denominator. so A,C are real.

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*NEED ANSWER ASAP*
telo118 [61]

the correct answer is the third one f(x)=2sin(x)-1

5 0
3 years ago
What is the slope of a line that is perpendicular to the line represented by the equation x – y = 8?
Kay [80]

Answer:

the slope would be equal to -x or -1

Step-by-step explanation:

First rewrite the equation in correct slope intercept form. Subtract x from both sides and then divide both sides by a negative sign.

  x - y = 8

-x            -x

\frac{-y}{-} =\frac{-x+8}{-}

y= x +8

A perpendicular slope is the inverse of the original slope. If the original slope is 2 then the perpendicular slope would be -1/2. In this problem the original slope is 1. The inverse of 1 is -1

4 0
3 years ago
PLZ HELP!!! WAHHH >n
Nana76 [90]
What is your question?
5 0
3 years ago
Read 2 more answers
Can someone please help me!!!!!!!!!!!!!!!!!!!!!
N76 [4]

Answer:

5x-6+7x+12=180

Step-by-step explanation:

5x+7x = 12x

12x - 6 +12 = 180

add 12 and -6 to get 6.

12x + 6 = 180

      subtract 6 from both sides to get 174.

12x = 174.

now divide both sides by 12 to get x = 14.5 or 29/2 which cancels out to 6

5 0
3 years ago
Now use technology and use the cumulative probability​ 0.95, the mean muequals10.5​, and the standard deviation sigmaequals4.10
makvit [3.9K]

Answer:

18.5

Step-by-step explanation:

In the above question, we are given the following values

Cumulative probability ( confidence interval) = 0.95 = 95%

Mean = 10.5

Standard deviation = 4.10

We are asked to find the value of x.

To solve for x , we would be using the z score formula.

z score = (x-μ)/σ,

where x is the raw score,

μ is the population mean

σ is the population standard deviation

z score was not given in the question, but we have our cumulative probability as 95%(0.95).

Using the appropriate table,

the z score for 95% confidence is z = 1.96.

Therefore,

z score = (x-μ)/σ,

1.96 = x - 10.5/4.10

Cross multiply

1.96×4.10 = x - 10.5

x = (1.96 × 4.10) + 10.5

x = 8.036 + 10.5

x = 18.536

Approximately to 1 decimal place

x = 18.5

4 0
3 years ago
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