Answer:b
Step-by-step explanation:
because you need to multiplay 7 times x and then do the x to the 2 power then add
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➷ Form an equation with 'x' as the unknown number
7x + 3 = -74
Subtract 3 from both sides:
7x = -77
Divide both sides by 7:
x = -11
The number is -11
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Answer:
1. 1 yard
2. 15,840 feet
3. 72 inches
4. 15 feet
5. 2 miles
6. 4 feet
7. 66 inches
8. 4 feet
9. 2,280 feet
10. Donald swam further since Donna only swam 300 feet.
Answer:
a = 36 , b = 6
Step-by-step explanation:
expand the right side using FOIL and compare coefficients with like terms on left side.
(x - b)²
= x² - 2bx + b² , compare to x² - 12x + a , then
- 2b = - 12 ( divide both sides by - 2 )
b = 6
and a = b² = 6² = 36