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noname [10]
3 years ago
7

X+2y+z=5 2x-y+z=4 3x+y+4z=1

Mathematics
1 answer:
Bingel [31]3 years ago
8 0
X=1.5, y=2.5,z=-1.5 I used matrices to solve it.
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2. If y varies inversely as x and y=0.8 when x = 1.8, find y when x = 4.8.
Aleks04 [339]

Answer:

y=2.13

Step-by-step explanation:

cross multiply

0.8/1.8=y/4.8

4.8*0.8/1.8

3.84/1.8

y=2.13

8 0
3 years ago
This graph models the exponential growth of the strain of bacteria. What does the ordered pair (15, 8) represent?
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The answer is C.(There are 8 bacteria cells after 15 minutes.)
4 0
4 years ago
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Here are the numbers on a table that shows student's scores for 10 rounds of a video game.
Korolek [52]

Answer:

B-145

Step-by-step explanation:

120-190 is the spread in the middle is 145

7 0
3 years ago
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What’s the verticals asymptote
Rzqust [24]

Answer:

A vertical asymptote is

Step-by-step explanation:

A vertical asymptote (or VA for short) for a function is a vertical line x = k showing where a function f(x) becomes unbounded. In other words, the y values of the function get arbitrarily large in the positive sense (y→ ∞) or negative sense (y→ -∞) as x approaches k, either from the left or from the right.

3 0
4 years ago
The red bus Company Charges 150+72 per hour to rent a bus The blue bus company charges 240+54 per hour for what number of hours
liraira [26]
It will take them 5 Hours to charge the same. The rental charge will be 510.

I did a manual computation per company: My computation is entirely based on trial and error.

Red Bus Co. has a fixed rental rate of 150 and additional rental of 72 per hour while Blue Bus Co. has a fixed rental rate of 240 and additional rental of 54 per hour. Both fixed rental rate are one time charges only and total rental will vary on the number of hours spent in using both vehicles.

Let's start with the Red Bus Co. I will be posting the charges per hour and its running balance. The running balance is the sum.

Fixed Rate      150    Running Balance: 150    => 150 + 0
Hr 1                    72                                      222   => 150 + 72
Hr 2                    72                                      294  =>  222 + 72
Hr 3                    72                                      366  => 294  + 72
Hr 4                    72                                      438  => 366 + 72
Hr 5                    72                                      510  => 438 + 72

I'll do the same process with Blue Bus Co.

Fixed Rate  240      Running Balanc:  240 => 240 + 0
Hr 1                54                                      294 => 240 + 54
Hr 2                54                                       348 => 294 + 54
Hr 3                54                                      402 => 348 + 54
Hr 4                54                                      456 => 402 + 54
Hr 5                54                                      510 => 456 + 54



5 0
3 years ago
Read 2 more answers
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