The correct answer is: [A]: " x = 6 " or " x = - 9 " .
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Explanation:
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Given the following equation:
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" x² + 3x – 54 = 0 " ; Solve for "x" ;
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Check if the part of the equation on the "left-hand side" can be "factored":
" x² + 3x – 54 " ;
→ We see the " + 3x " and the " – 54 "
Factors of " -54 " that add up to " +3" ;
Let us try: " -9, 6" ; → " -9 + 6 = -3 " ; → " -3 ≠ +3 ;
Let us try: " 9, -6" ; → " 9 + (-6) = 9 – 6 = 3 " ; YES!
→ {that is: " +9 , -6 "} ;
So, we can rewrite the entire equation:
→ " (x + 9)(x – 6) = 0 " ;
→ " x = -9 " ; or, " x = 6 " ; which is:
→ Answer choice: [A]: " x = 6 " or " x = - 9 " .
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Answer:
(7) 1482 in³
(8) 216 yd³
Step-by-step explanation:
Formulas
<u>Volume</u><u> </u><u>of</u><u> </u><u>prism</u>
= base × height/length
<u>Area of parallelogram</u>
= base × height
<u>Area of trapezium</u>
= (upper base + lower base) × height ÷ 2
(7)
Area of the base = 19×6
= 114 in²
Length = 13 in
Volume = 144×13
= <u>1482 </u><u>in</u><u>³</u>
(8)
Area of the base = (11+7)×12÷2
= 108 yd²
Length = 2 yd
Volume = 108×2
= <u>216 yd³</u>
After a year from now the price of the bond will be
C. higher
Answer:
50
Step-by-step explanation:
because 89-49=49 49 rouded to the nearest ten is 50
So
remember
translates to
basically, the power that a must be raised to to obtain c is b
so
translates to
