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alexdok [17]
2 years ago
5

Joe concluded that the expression 3x + 15 + 2x is equivalent to the expression 5(x + 3). Which of these best explains how Joe re

ached his conclusion?
o dividing each term in the first expression by 3
O combining like terms in the first expression and dividing each term by 3
O combining like terms in the first expression and dividing each term by 5
O subtracting 2. and applying the distributive property to the first expression
Mathematics
1 answer:
marta [7]2 years ago
4 0

Answer:

c

Step-by-step explanation:

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Im just writing stuff because questions have to be atleast 20 characters long so I'm just trying to fill up some space.
DIA [1.3K]
A = 21/2 i will write something too just to fill up the space
3 0
3 years ago
How do you determine where f(x)=cos^(-1)(lnx) is continuous?
olga nikolaevna [1]
\ln x is continuous over its domain, all real x>0.

Meanwhile, \cos^{-1}y is defined for real -1\le y\le1.

If y=\ln x, then we have -1\le \ln x\le1\implies \dfrac1e\le x\le e as the domain of \cos^{-1}(\ln x).

We know that if f and g are continuous functions, then so is the composite function f\circ g.

Both \cos^{-1}y and \ln x are continuous on their domains (excluding the endpoints in the case of \cos^{-1}y), which means \cos^{-1}(\ln x) is continuous over \dfrac1e.
7 0
2 years ago
y : (<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B18%5C%5C%7D" id="TexFormula1" title="\frac{3}{18\\}" alt="\frac{3}{18\\}
poizon [28]

Answer:

whats the given?? what you need I don't understand

5 0
1 year ago
Read 2 more answers
Jake plans to use a ramp to make it easier to move a piano out of the back of his truck. The back of the truck is 83 centimeters
storchak [24]

Answer:

134.4 centimeters

Step-by-step explanation:

This question is asking us for a missing leg on the triangle, lets call it x. Using the Pythagorean theorem (a²+b²=c²), we can figure out what value is missing (either a or b, they are interchangeable).

replace the values in the equation.

83²+x²=158²

get rid of the exponents.

6,889+ x² = 24,964.

subtract 6,889 from 24,964.

x²=18,075.

find the square root on both sides of the equation.

x=134.4432966.

I am assuming you want this rounded to the nearest tenth.

134.4 is your answer.

Read more on Brainly.com - brainly.com/question/14113423#readmore

8 0
3 years ago
Is the following argument valid?
cestrela7 [59]
I believe the answer is A! I hope that's correct! :)
3 0
3 years ago
Read 2 more answers
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