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2 years ago

13

Which substance is a mixture? salt gasoline aluminum carbon dioxide

2 answers:

pogonyaev2 years ago

5 0

First, we must understand why the three other choices are not mixtures. Salt is a compound made from elements Sodium and Chlorine. Aluminum is an element. Carbon dioxide is also a compound composed of Carbon and Oxygen. Now, gasoline. is substance made from refined crude oils (or hydrocarbons). As a matter of fact, gasoline is an example of a homogenous mixture. Thus, amongst the choices, the mixture would be gasoline<span>. </span>

crimeas [40]2 years ago

5 0

Which substance is a mixture?

B gasoline

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Snowcat [4.5K]

Answer:

No

Step-by-step explanation:

To determine if (- 5, - 5) is a solution

Substitute x = - 5 into the inequality and compare answer to y

- 2(- 5) + 4 = 10 + 4 = 14 > - 5 ← the y- coordinate

Thus (- 5, - 5) is not a solution to the inequality

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3 years ago

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which equations are equivalent to 3/4+m=-7/4 check all that apply m=10/4 m=-10/4 m=-5/2 11/4+m=-1/4 -5/4+m=-15/4 m+2=-0.5 Help f

Alecsey [184]

Answer:

The correct choices are; B,C,E, and F.

Step-by-step explanation:

The given equation is;

$\frac{3}{4}+m=-\frac{7}{4}$

We solve for m to obtain:

$m=-\frac{7}{4}-\frac{3}{4}=-2.5$

We also solve the remaining equations to see which ones give the same result.

A: $m=\frac{10}{4} =2.5$

B: $m=-\frac{10}{4} =-2.5$

C: $m=-\frac{5}{2} =-2.5$

D: $\frac{11}{4}+m=-\frac{1}{4}$

$m=-\frac{1}{4}-\frac{11}{4}=-3$

E: $-\frac{5}{4}+m=-\frac{15}{4}$

$m=-\frac{15}{4}+\frac{5}{4}=-2.5$

F: $m+2=-0.5$

$m=-0.5-2=-2.5$

The equivalent equations are; B,C,E, and F.

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3 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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The bag will last 4 days.

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2 years ago