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svetoff [14.1K]
3 years ago
7

Select all the true statements.

Mathematics
2 answers:
kenny6666 [7]3 years ago
6 0

Answer:

THE 1ST AND 3RD

Step-by-step explanation:

MAVERICK [17]3 years ago
6 0

Answer: 1st,3rd,4th

I had this on my test and I put these answers and got it correct, hope it helps.

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A 28<br> B42<br> C47<br> D 33<br><br> Please help
netineya [11]
D.) There are always 180 degrees in triangles. 147 is already shown, so subtract that from 180. That gives you 33.
5 0
3 years ago
Simplify the expression. 3/a-9b
Serhud [2]
We are given with the expression 3/a - 9b = y and is asked to simplify the given equation. in this case, the first step is to multiply both terms with a. this results to 3 - 9 ab. = ay  Since the two terms have different variables, this is the simplified form. the answer is <span>3 - 9 ab  = ay </span>
3 0
3 years ago
The model represents an equation what value of X makes the equation true​
Tanya [424]

Answer:

A Solution is a value we can put in place of a variable (such as x) that makes the equation true.

Step-by-step explanation:

3 0
4 years ago
Salma bought 4 CDs that were each the same price. Including sales tax, she pald a total of $70.40. Each CD had a tax of $1.20. W
postnew [5]

Answer:

$16.40 per CD before tax

Step-by-step explanation:

4 CDs cost $70.40

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6 0
3 years ago
Calculus help needed!
mezya [45]

f(x)=\ln x\\\\g(x)=\ln11x=\ln11+\ln x\ \ (\ln11=const.)\\\\h(x)=\ln x^2=2\ln x\\\\p(x)=\ln3x^2=\ln 3+\ln x^2=\ln3+2\ln x\ \ (\ln3=const.)

Used:

\ln a+\ln b=\ln(ab)\\\\\ln a^n=n\log a


Functions have the same derivatives if they differ a constant.

h(x) = f(x); g(x) = f(x) + const.

h'(x) = f'(x)

g'(x) = (f(x) + const.)' = f'(x) + (const.)' = f'(x) + 0 = f'(x)

h'(x) = g'(x)


Therefore yuor answer is A. f'(x)=g'(x)



f'(x)=(\ln x)'=\dfrac{1}{x}\\\\g'(x)=(\ln11x)=\dfrac{1}{11x}\cdot11=\dfrac{1}{x}

Used:

(\ln x)'=\dfrac{1}{x}\\\\f'(g(x))=f'(g(x))\cdot g'(x)

6 0
3 years ago
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