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Dmitry_Shevchenko [17]

2 years ago

8

Perform the operation. Enter your answer in scientific notation. 7 × 102 − 5.6 × 102 =

1 answer:

Zarrin [17]2 years ago

3 0

The answer is 142.8

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Given m angle7=38^ and m angle10=102^ find the measure of each missing angle

GalinKa [24]

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3 years ago

Determine the value of a if one solution to the quadratic equation is x equals 5 + 3/2 I

Sindrei [870]

The value of a is $\frac{-9}{4}$

Step-by-step explanation:

<u>1. Determine the other solution of x</u>

If one value is 5 + $\frac{3}{2}$ then the other value is 5 - $\frac{3}{2}$

<u>2. Use reverse technique to find the equation</u>

(5 + $\frac{3}{2}$ ) (5 - $\frac{3}{2}$ ) = 0

25 - $\frac{-15}{2}$ + $\frac{15}{2}$ - $\frac{9x^{2} }{4}$ = 0

- $\frac{9x^{2} }{4}$ + 25 = 0

<u>3. The equation is</u> - $\frac{9x^{2} }{4}$ + 25 = 0

<u>4. Find the value of a</u>

a is the number with the variable $x^{2}$ therefore it is - $\frac{9}{4}$

Keyword: quadratic equation, solution

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