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nasty-shy [4]
3 years ago
14

HELP Here is an expression: `3 X 2^{b}` Evaluate the expression when `b`is 3.

Mathematics
1 answer:
kramer3 years ago
5 0
The answer to the question is 24
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Point y divides line XZ such that XY:YZ is 3:11. what fraction of XZ is XY?
Virty [35]

\bf X\stackrel{3}{\rule[0.35em]{7em}{0.25pt}}Y\stackrel{11}{\rule[0.35em]{23em}{0.25pt}}Z


so the line looks more or less like that, with Y splitting XZ on a 3:11 ratio.


that simply means, that XZ is split on 3+11 pieces, and XY is taking up 3 of those pieces.


\bf \cfrac{XZ}{XY}\implies \cfrac{3+11}{3}\implies \cfrac{14}{3}

7 0
3 years ago
Which expressions are equivalent to g+h+ (j+k)? Check all that apply.
Vsevolod [243]
According to the associative property of equality: (a + b) + c = a + (b + c) we can see that the parenthesis do not mean anything when we are only doing addition.

So answers 1. and 3. are correct.

<em>Thanks Associative Property!</em>
6 0
3 years ago
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If f(1)=4 and f(n)= -2(n-1) -4 then find the value of f(5)
hoa [83]

Answer: f(5) = 43

Step-by-step explanation:

7 0
3 years ago
If the graph of y = lxl is translated so that the point (1, 1) is moved to (1.4), what is the equation of the new graph?
Fittoniya [83]

Answer:

y = |x| + 3.

Step-by-step explanation:

The movement of  the y value from 1 to 4 is  a translation  of 3 units upwards.

The graph  is y = |x| + 3.

7 0
3 years ago
A submarine is traveling at a constant speed below sea level . The equation y = -50x-75 can be used to represent this situation
ki77a [65]

Answer:

From a starting location of 75 feet below sea level, the submarine is descending 50 feet per hour. Answer is.D

Step-by-step explanation:

Used an Calculator  

I hope this helps

5 0
3 years ago
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