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madreJ [45]
3 years ago
6

How many solutions does the following system have? 2x- 4y = 11 -2x + 4y = -10

Mathematics
2 answers:
rosijanka [135]3 years ago
6 0

Answer:

This system has no solution

Step-by-step explanation:

-(11+4y)+4y=-10

no solution

kotegsom [21]3 years ago
6 0

-(11+4y) + 4 = -10

There is no solution

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Your class is selling wrapping paper and candles. Rolls of paper sell for $7 and candles sell for $10 each. A total of 109 items
Klio2033 [76]

Answer:

53 Rolls of paper and 56 Candles

Step-by-step explanation:

56 x $10 = $560

$7 x 53 = $371

$560 + $371 = $931

And 56 candles sold plus 53 rolls of paper sold equals 109 items sold

8 0
2 years ago
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Joe buys groceries for his grandfather the groceries cost $42 plus 5% tax joe wants to know the total cost of the groceries incl
vekshin1
<h3>Answer: $44.10</h3>

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

Work Shown:

5% = 5/100 = 0.05

5% of 42 = 0.05*42 = 2.10

tax = $2.10

total cost including tax = $42 + $2.10 = $44.10

----------

An alternative is to multiply 42 by 1.05 to get

1.05*42 = 44.10

We get the same answer. The 1.05 refers to 1 + 0.05 where the "1" is 100% and the 0.05 is 5%, so the two combine to 105%, meaning the total cost is 105% of the cost before tax is considered.

7 0
3 years ago
The tech ed teacher needs to cut boards for the 6th grade propeller project that are 3/4 feet long.How many propellers can he ge
QveST [7]

Answer:

  zero

Step-by-step explanation:

1/2 feet is less than 3/4 feet, so is insufficient length for even one propeller. No propellers can be cut from the board.

5 0
3 years ago
A line has a slope of -2 and a y-intercept of –3. Graph the line using the slope and y-intercept.
masha68 [24]

Answer:The answer is 231

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
PLEASE HELP!
Kay [80]

Answer:

77 inches

Step-by-step explanation:

Given

1 inch = 3 miles in map

We are also given the actual distance between City A and City B = 231 miles.

In order to get the distance in inches = Distance between City A and City B in miles/ 3

We are dividing the distance by 3 to get the distance in inches.

So,

Distance on map = 231/3

= 77 inches

4 0
3 years ago
Read 2 more answers
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