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timurjin [86]
3 years ago
14

Evaluate x-2 for x = -3.

Mathematics
1 answer:
Vadim26 [7]3 years ago
8 0
X-2 for x=-3
-3-2=-5, add dem negatives
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I need help ? which linear function is represented by the graph?​
PilotLPTM [1.2K]
<h3>Answer: f(x) = (-1/2)x+1, choice B</h3>

=================================================

Explanation:

The diagonal line passes through 1 on the vertical y axis. So the y intercept is b = 1. This means the location of the y intercept is (0,1).

Start at (0,1) and move down 1 and to the right 2 to arrive at (2,0). This is another point on the diagonal line. The motion of "down 1 and right 2" is effectively the slope

slope = rise/run = -1/2

rise = -1, run = 2

The rise being negative means we have gone downhill as we move to the right.

With m = -1/2 as the slope and b = 1 as the y intercept, we go from y = mx+b to y = (-1/2)x+1

The last thing to do is replace y with f(x) to get f(x) = (-1/2)x+1 as the final answer.

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3 years ago
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What is 0.4x + 6.1 for x
garik1379 [7]
<span>0.4x + 6.1 = 0
0.4x = - 6.1
x = - 6.1 / 0.4
x = - 15.25</span>
3 0
3 years ago
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Compute $14A6_{12} - 5B9_{12}$. Give your answer as a base $12$ integer.
avanturin [10]

Answer:

you need to 12 minus 5b9 as base and don’t forget to mention the integer

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There are 100 bacteria in a jar. Every day, the number of bacteria increases 25%. In approximately how many days will there be 5
algol [13]

Use compound interest formula

\\ \rm\Rrightarrow P(1+r/100)^t=500

\\ \rm\Rrightarrow 100(1+0.25)^t=500

\\ \rm\Rrightarrow (1.25)^t=5

\\ \rm\Rrightarrow log(1.25)^t=log5

\\ \rm\Rrightarrow tlog1.25=log5

\\ \rm\Rrightarrow t(0.097)=0.3

\\ \rm\Rrightarrow t=3.3\approx 3

Option A

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2 years ago
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A customer buys a dress that has an original price of $38. The dress is discounted 25%. The customer pays 6% sales tax on the di
salantis [7]

Answer:

dress? or address?

Step-by-step explanation:

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3 years ago
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