A pet store has 115 fish that need to be placed into fish tanks. Each tank can hold 6 fish. How many tanks does the store need f
1 answer:
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The given equation is:
The first step you need to do is open the parentheses and distribute the 8 to x+3. It will be 8 times x and 3 times x.
Rewrite the equation:
Now you need to move one of the variables to the other side.
If you move 7x to the other side, then:
You can move the variable by doing the opposite of it. Since 7x is positive, you can move it by subtracting 7x, which is negative. Subtract 7x on both sides:
Now you need to leave x alone. x is being added to 24, so remove it by subtracting both sides by 24. Remember that when you're subtracting from a negative number, you're actually adding while keeping the negative sign.
Subtract:
If you move 8x to the other side, then:
8x is positive, so you can move it by subtracting 8x, which is negative. Subtract 8x on both sides:
You need to leave the variable alone, so move -5 to the other side. You can do this by adding 5 to both sides.
Lastly, x is negative, but you're looking for the value of positive x. Divide both sides by -1 to remove the negative sign.
Remember that a positive number divided by a negative number is negative. Divide:
The answer to your question is x = -29.
Answer:
C. 100 √ 2
Step-by-step explanation:
This is a 45-45-90 triangle. When referring to the picture, in this case x=100
For this case we have the following function:
We look for the points of intersection with the x axis, doing y = 0
We look for the points of intersection with the y axis, doing x = 0
We can also observe that the slope is -1.
Answer:
See attached image
