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Oksanka [162]
3 years ago
12

Solve for y. 5x-10y=-40

Mathematics
2 answers:
marusya05 [52]3 years ago
4 0
Y=4


-10/-10 = -40/-10 

-40/-10 = 4
Andru [333]3 years ago
4 0
This is the answer x = 8 + 2y

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10% of the passengers on a fly with us airlines flight are in first class. If there are 40 passengers in first class, how many t
MissTica

Answer:

400 passengers

Step-by-step explanation:

To solve the problem, a proportion would be best!

First, let's set up the left side of the proportion. Percents, when used in parts, are always part of 100%, making 100% a whole. We'll use both 10% and 100% as our first fraction, which should look something like this:

\frac{10p}{100w} (with <em>p </em>standing for <em>part </em>and <em>w</em> standing for the <em>whole</em>)

Next, let's set up the right side of our proportion. We'll use the 40 for our part and x for our whole since that is the number we are solving for. The proportion should now look like this:

\frac{10p}{100w} = \frac{40p}{x}

To solve, just cross multiply and divide! Multiply 40 by 100 to give you 4,000. Next, divide 4,000 by the remaining 10 to give you a final answer of 400. If 40 passengers on the flight are in first class, then there are 400 total passengers. Hope this helps!

7 0
2 years ago
Im trying to figure out the answer
Molodets [167]

Step-by-step explanation:

\sqrt{35} =\sqrt{5} *\sqrt{7};

all the details are in the attachment.

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A mathematical sentence which contains an inequality symbol and one variable raised to the first power is called a ____ inequali
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3 years ago
A carton of juice contains. 64 ounces. Ms Wilson brought 6. of juice how many ounces of juice did she buy
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You multiply by 6

64 * 6 = 384

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3 years ago
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