Sorry cant help you, that's a tough nut to crack! good luck though!
Answer:
55
Step-by-step explanation:
10% of 550 is 55
7x+70=98
7x=28
x=4
this is the answer
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![\frac{2}{3 \times 8} + \frac{10}{4 \times 5} = \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B3%20%5Ctimes%208%7D%20%20%2B%20%20%5Cfrac%7B10%7D%7B4%20%5Ctimes%205%7D%20%20%3D%20%20%5C%5C%20)
![\frac{2}{2 \times 4 \times 3} + \frac{2 \times 5}{2 \times 5 \times 2} = \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B2%20%5Ctimes%204%20%5Ctimes%203%7D%20%20%20%2B%20%20%5Cfrac%7B2%20%5Ctimes%205%7D%7B2%20%5Ctimes%205%20%5Ctimes%202%7D%20%20%3D%20%20%5C%5C%20)
![\frac{1}{4 \times 3} + \frac{1}{2} = \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B4%20%5Ctimes%203%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%3D%20%20%5C%5C%20)
![\frac{1}{12} + \frac{1}{2} = \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B12%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%3D%20%20%5C%5C%20)
![\frac{1}{12} + \frac{1 \times 6}{2 \times 6} = \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B12%7D%20%20%2B%20%20%5Cfrac%7B1%20%5Ctimes%206%7D%7B2%20%5Ctimes%206%7D%20%20%3D%20%20%5C%5C%20)
![\frac{1}{12} + \frac{6}{12} = \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B12%7D%20%20%2B%20%20%5Cfrac%7B6%7D%7B12%7D%20%20%3D%20%20%5C%5C%20)
![\frac{1 + 6}{12} = \frac{7}{12} \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%20%2B%206%7D%7B12%7D%20%20%3D%20%20%5Cfrac%7B7%7D%7B12%7D%20%20%5C%5C%20)
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Tangent is one of the simplest trigonometric functions which relates the sides of the triangle. This function is the ratio between the measure of the side opposite to the angle and the side adjacent to it. This can be calculated through the reverse equation of,
tan⁻¹(0.78) = A
The value of A in the equation to the nearest hundredth is <em>37.95°</em>.