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1 answer:
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Answer:
The ramp is 21.8 ft tall.
Step-by-step explanation:
If you convert this into a triangle, 40 ft is the hypotenuse, 33° is the angle next to the right angle (on the horizontal line) and we need to find how tall the ramp is, which will be x. It is very helpful to draw a picture.
We will use the sine ratio because, starting from the given degree of 33, we have the hypotenuse value and need to find the value opposite the degree:
Insert values:
Multiply 40 to both sides to isolate the variable:
Insert the value of x into a calculator:
Round if necessary:
Done.
Answer:
the quantity of 4 over 5
Step-by-step explanation:
According to the description, we have the quantity
Since both fractions have the same denominator (5), we just need to subtract the numerators:
Now we know that the simplified form of the expression is ; translating that fraction into words we get: the quantity of 4 over 5
We can conclude that the simplified form of the quantity of x plus 9, all over 5 − the quantity of x plus 5, all over 5 is the quantity of 4 over 5