Answer:
B
Step-by-step explanation:
+ 6 = x ( subtract 6 from both sides )
= x - 6 ( square both sides )
x = (x - 6)² ← expand using FOIL
x = x² - 12x + 36 ( subtract x from both sides )
0 = x² - 13x + 36 , that is
x² - 13x + 36 = 0 ← in standard form
(x - 4)(x - 9) = 0 ← in factored form
Equate each factor to zero and solve for x
x - 4 = 0 ⇒ x = 4
x - 9 = 0 ⇒ x = 9
As a check
Substitute these values into the equation and if both sides are equal then they are the solutions.
x = 4
left side =
+ 6 = 2 + 6 = 8
right side = x = 4
Since 8 ≠ 4 then x = 4 is an extraneous solution
x = 9
left side =
+ 6 = 3 + 6 = 9
right side = x = 9
Thus the solution is x = 9 → B
Answer:
Remember that when you are making stimates, you are going to roiund to the nearest dollar. Since $3.29 is closer to 3 dollars than four dollars, Sam should use the 3 dollars figure to estimate if he can afford 4 gallons of gas.
$3+$3+$3+$3=$12
The actual value is , so $3 per gallon is indeed a god estimate.
We can conclude that the correct answer is: $3 + $3 + $3 + $3 = 12, so Sal can afford the gas.
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Step-by-step explanation:
70 because you would divide 150.8 by 2 and it gives you 75.4 but you have to round it and do v=4/3×3.14×70^3
<u>Given </u><u>that</u><u> </u><u>:</u><u>-</u><u> </u>
<u>To</u><u> </u><u>Find</u><u> </u><u>:</u><u>-</u><u> </u>
<u>S</u><u>o</u><u>l</u><u>u</u><u>t</u><u>i</u><u>o</u><u>n</u><u> </u><u>:</u><u>-</u><u> </u>
<u>☆</u><u> </u>When a negative digit is multiplied with negative digit then the result comes as positive digit .
→ x × y = (-12)(-3)
→ x.y = 36
So the answer is 36.
(15 is your answer)
Divide numerator by denominator, cancel out any common factors