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cluponka [151]
3 years ago
15

Determine if the following system of equations has no solutions, infinitely many

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0

Answer:

infinitely many solutions

Step-by-step explanation:

x + 6y = -5

3x + 18y = -15

Multiply the first equation by 3

3(x + 6y) = -5*3

3x + 18y = -15

The two equations are identical.  This means they have infinite solutions along the line x+6y = -5

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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
What percent of 63 is 157.5?
Nikitich [7]

Answer:

250%

Step-by-step explanation:

\sf63 \times  x\% = 157.5

\sf  \frac{x}{100}  =  \frac{157.5}{63}

\sf  x =  \frac{15750}{63}

\sf  x = 250

8 0
3 years ago
HELPPP please help i don’t get it
Nady [450]

this is what would make sence for me

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3 years ago
A local sporting event charges $6 for each adult ticket and $3.50 for each child ticket. If the stadium sold a total of 65 adult
tatyana61 [14]
45 adult tickets were sold.

adult tickets = a
childrens tickets = b

a + b = 65
6a + 3.5b = 340

Subtract a from the equation on top to get b = 65 - a
Substitute into the second equation 6a + 3.5(65 - a) = 340
Simplify to make 6a + 227.5 - 3.5a = 340
6a - 3.5a = 340 - 227.5
Combine like terms so that 2.5a = 112.5
Divide both sides by 2.5 to isolate the variable a

Your final answer is a = 45
7 0
3 years ago
When asked to write a point-slope equation for a line passing through the points (-2, -2) and (2, 1), a student wrote y - 1 = -3
bogdanovich [222]
B, hopefully that helps.
8 0
4 years ago
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