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3 years ago

In math the "Base" is defined as

1 answer:

6 0

In math Base is Defined as the number of digits or combination of digits that a system of counting numbers used to represent numbers a base can be any whole number greater than 0

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Integrate sec x ( sec x + tan x ) dx

il63 [147K]

by taking integral we get
integral sec(x) (tan(x)+sec(x)) dx
applying integral we get
sec(x) (tan(x)+sec(x)) gives sec^2(x)+tan(x) sec(x)
= integral (sec^2(x)+tan(x) sec(x)) dx Integrate the sum term by term
= integral sec^2(x) dx+ integral tan(x) sec(x) dx For the integrand tan(x) sec(x), now we will use substitution

substitute u = sec(x) and du = tan(x) sec(x) dx
= integral 1 du+ integral sec^2(x) dx The integral of sec^2(x) is tan(x)
= integral 1 du+tan(x) The integral of 1 is u
= u+tan(x)+constant
Substitute the value of u which is equal to
= sec(x):
so our conclusion is
:tan(x)+sec(x)+constant
hope this helps

8 0

3 years ago

Alex is saving money because she would like to purchase the new video gaming system that everyone has been talking about. After

Gennadij [26K]

I’m on this question as well

7 0

2 years ago

Solve each equation. check your solution. -1/2x-7=-11

cupoosta [38]

I'll offer you a deal in return for your 5 points: I'll solve it . . . . You check it.

-1/2x - 7 = -11

Add 7 to each side: -1/2 x = -4

Multiply each side by 2 : - x = -8

Multiply each side by -1 :  x = 8

Take it Allalala !

4 0

3 years ago

Read 2 more answers

A high school statistics class wants to estimate the average number of chocolate chips in a generic brand of chocolate chip cook

Viktor [21]

Answer:

Correct option:

We are 95% certain that the confidence interval of 18.6 to 21.3 includes the true average number of chocolate chips per cookie.

Step-by-step explanation:

The general formula for the (1 - α)% confidence interval for population mean is:

$CI=\bar x\pm CV \times SE_{\bar x}$

Here:

$\bar x$ = sample mean

CV = critical value

$SE_{\bar x}$ = standard error of mean.

The (1 - α)% confidence interval for population parameter implies that there is a (1 - α) probability that the true value of the parameter is included in the interval.

Or, the (1 - α)% confidence interval for the parameter implies that there is (1 - α)% confidence or certainty that the true parameter value is contained in the interval.

The 95% confidence interval for the mean number of chocolate chips per cookie is (18.6, 21.3).

This 95% confidence interval implies that there is a 0.95 probability that the true mean number of chocolate chips per cookie is between 18.6 and 21.3.

Thus, the correct option is:

"We are 95% certain that the confidence interval of 18.6 to 21.3 includes the true average number of chocolate chips per cookie. "

6 0

3 years ago

Can y’all plz help me for brainliest

Olegator [25]

Answer: x = 3

Step-by-step explanation: First subtract 2x from both sides to get:

3x + 6 = 15

Then subtract 6 on both sides

3x = 9

Now divide by 3 to isolate x to get...

x = 3

5 0

3 years ago

Read 2 more answers