To predict volcanic eruptions scientists may use a seismograph to detect small earthquakes out of the 169 active volcanoes in th
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Answer:
x=2, y=3
Step-by-step explanation:
This is a <u>system of equations</u>.
To solve a system of equations, we use the substitution method.
We can plug in the first equation, , into the value for <em>x</em> in the second equation. Now, the second equation looks like this:
We simplify and solve for <em>y</em>:
→
→
→
Now, we plug in the value for <em>y</em>, which is 3, into either equation. I will just use the first equation:
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Let me know if my explanation is unclear.
Answer:
Step-by-step explanation:
Let w be weight of emu egg in pounds.
We have been given that an ostrich egg weighs 2.9 pounds.The difference between the weight of this egg and the weight of an emu egg is 1.6 pounds.
We can represent this information as:
Therefore, the equation will give us the weight of the emu egg, w, in pounds.