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Vladimir79 [104]
3 years ago
7

Math work! Plz help!!

Mathematics
1 answer:
Svetllana [295]3 years ago
5 0
180 + 60x = 2,000

180 is how much money she has already, 60 is how much she makes per week, x is the amount of weeks, and 2,000 is her goal.
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How many solutions are there to the equation below 6×+30+4×=10(×+3)
Elena-2011 [213]

Answer:

Infinite many solutions. Any x-value can satisfy the equation.

Step-by-step explanation:

Let's work on simplifying the equation a little to investigate which x-values satisfy it. Start by combining like terms on the left side (6x +4x=10x),

then distribute the factor "10" into the binomial (x+10), obtaining 10x +30.

Now we have the same expression on the left and the right of the equal sign:

10x +30=10x+30. We may subtract 30 from both sides, and obtain 10x=10x, and at this point divide by 10 both sides, and we obtain: x=x

The process is shown below.

6x+30+4x=10(x+3)\\6x+4x+30=10x+30\\10x+30=10x+30\\10x=10x\\x=x

x=x is an equation that is verified by absolutely ANY x value on the number line, and there are infinite x-values in the number line.

Therefore there are infinite many solutions to this equation (any x-value will satisfy it).

7 0
3 years ago
A jet can travel at a speed of 500 miles per hour. How far will the plane get it it flies at a full speed for 4.5 hours.
SpyIntel [72]

Answer:2250 miles

Step-by-step explanation:

If the jet travels 500 miles in an hour then in 4 hours it will travel 2000 miles. In half an hour it will travel 250 miles.

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Step-by-step explanation:

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Rewrite the following in the form log(c)<br><br> log(20) – log(4)
Natalka [10]

Answer:

log(5)

Step-by-step explanation:

log(x) - log(y) = log\frac{x}{y} \\\\log(20) - log(4) = log(\frac{20}{4})\\\\log(\frac{20}{4}) = log(5)

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Answer:

G. 4/7

Step-by-step explanation:

They both equal to -4 using that value

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