2 years ago

Tell whether x and y are proportional.

Mathematics

1 answer:

ollegr [7]2 years ago

7 0

Answer:

They're proportional

Step-by-step explanation:

y/x always equals 5

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Swamp gas consists primarily of methane, a chemical compound consisting of a 1 : 4 ratio of carbon to hydrogen atoms. If a sampl

Alchen [17]

Answer:

Number of carbon atoms present in the sample are 391.

Step-by-step explanation:

We are given that,

Ratio of carbon to hydrogen atoms = 1 : 4

It is given that a sample of methane consists of 1564 hydrogen atoms.

Let the carbon atoms in the sample = x

So, we have the relation,

$\frac{Carbon}{Hydrogen}=\frac{1}{4}=\frac{x}{1564}$

i.e. $\frac{1}{4}=\frac{x}{1564}$

i.e. $x=\frac{1564}{4}}$

i.e. x= 391

Hence, the number of carbon atoms present in the sample are 391.

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3 years ago

2.5t + 350 = 3t + 225? What is the soulution ?

Tanzania [10]

Answer:

t = 41.6 (the 6 is repeating)

Step-by-step explanation:

2.5t + 350 = 3t + 225

Subtract 2.5t from both sides to get:

350 = 3t + 225

Now subtract 225 from both sides to get:

125 = 3t

Divide both sides by three.

t = 41.6 (the 6 is repeating)

7 0

2 years ago

Did I do this right

forsale [732]

Answer:

yes siirrrrrrrrrrrrrr

Step-by-step explanation:

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2 years ago

FInd the Area of the figure

natka813 [3]

Answer:

18,400m^2

Step-by-step explanation:

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2 years ago

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Which system of inequalities is represented on this graph? options are attached

Lena [83]

Answer:

$y$

$y\leq -2x+2$

Step-by-step explanation:

we know that

The solution of the system of inequalities is the shaded area below the solid line and below the dashed line

The equation of the dashed line is $y=x-1$

The equation of the solid line is $y=-2x+2$

therefore

The system of inequalities is

$y$

$y\leq -2x+2$

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2 years ago