Write an expression that equals 40. Include an exponent.
1 answer:
Let's start making our expression.
Just take the number 40 and change it around.
That's a good start.
49 is equal to 7×7, or 7². 9 is equal to 3×3, or 3².
So we can also write this as
You can really do whatever you want with it as long as it's still 40, just make sure you've got an exponent there. Here's another example.
Just take the number 40 and change it around.
That's a good start.
49 is equal to 7×7, or 7². 9 is equal to 3×3, or 3².
So we can also write this as
You can really do whatever you want with it as long as it's still 40, just make sure you've got an exponent there. Here's another example.
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4500 feet
Step-by-step explanation:
We can begin by finding x using the tangent rule;
The tangent of the angle = the length of the opposite side / the length of the adjacent side
Tan 35 = 3500 / x
X = 3500 / tan 35
X = 3500 / 0.7
X = 5000
Now that we have x we can calculate the value of ? using the same tangent rule;
Tan 42 = ? / 5000
? = tan42 * 5000
? = 0.9 * 5000
? = 4500
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