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raketka [301]
2 years ago
6

Line l has a _____ slope. negative 0 positive undefined

Mathematics
2 answers:
Natasha2012 [34]2 years ago
8 0

Answer:

positive

Step-by-step explanation:

negative slopes go from right to left; this line goes from left to right

0; the line isn't completely horizontal

undefined; the line isn't completely vertical

DIA [1.3K]2 years ago
7 0
Positive
Reason being it tilts upwards in the positive direction on the coordinate plane
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Simplify -4(-8x-8) in distributive property
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A metalworker has a metal alloy that is 25% copper and another alloy that is 60% copper.How many kilograms of each alloy should
Neporo4naja [7]

Answer:

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Step-by-step explanation:

There are 2 kinds of metal, first metal(A) have 25% copper while the second metal(B) has 60% copper. The metalworker want to create 50kg of metal, which means the total weight of both metals is 50kg (A+B = 50). The metalworker also want the metal made of a 46% which is 23kg(0.25A + 0.6B = 0.46*50). From these sentences, we can derive 2 equations. We can solve this with substitution.

A+B = 50

A= 50-B

Let's put the first equation into the second.

0.25A + 0.6B = 0.46 *50

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0.35B=23 -12.5

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Then we can solve A

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A=20

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Step-by-step explanation:

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