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liberstina [14]
2 years ago
13

X+2y - 3z =15. 2x – 2z=6 x = 3. 2/3)-22 i dont know this answer pls help me???

Mathematics
1 answer:
kondor19780726 [428]2 years ago
6 0

Answer(s):

Exact Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 3 2 3

Mixed Number Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 3 2 3

Improper Fraction Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 11 3

Decimal Form: x + 2 y − 3 z = 15 , 2 x − 2 z = 6 , 3. ¯ 6

Hope this helps, have a nice day/night! :D

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the local hardware store wants to increase their inventory. Last year 15 electric screwdrivers cost them 300.how much would 45 s
Harman [31]
One way of doing this is to write the equation of ratios (15 screwdrivers / 45 screwdrivers) = ($300 / x).    Solve this equation for x.  To do this, you might try multiplying both sides of this equation by x to eliminate fractions.

Another way is to obtain the unit cost of each screwdriver and then multiply the result by 45 screwdrivers.
7 0
3 years ago
Kayaks rent for $35 per day. Which expression can you use to find the cost in dollars of renting 3 kayaks for a day?
Murrr4er [49]

Answer:

$105

Step-by-step explanation:

assuming that it costs $35 dollars for renting 1 kayak per day:

3 * 35 = k   3 is for the # of kayaks and 35 is the cost

105 = k    multiply 35 w/ 3 to get the answer

6 0
3 years ago
If sin F = 3/5 , what is cos G ?
alukav5142 [94]

Answer:

D

Step-by-step explanation:

side HG is 3

side FG is 5 hypotenuse

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cos G is adjacent/hypotenuse

adjacent side is HG which = 3

hypotenuse is 5

3 0
3 years ago
If (x − 2) ∶ 5 = 7 ∶ 9, then find the value of x.
WARRIOR [948]

Answer:

x=53/9

Step-by-step explanation:

(x-2):5=7:9

9x-18=35

9x=35+18

9x=53

x=53/9

4 0
2 years ago
Alec pours the same amount of soup into three balls he used 4 cups of soup how much soup is in each bowl
Ugo [173]
For this question you would need to do 4 divided by 3.  The answer would be 1.3 cup(s) would be in each bowl.


Hope that helps!!

7 0
3 years ago
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