3 years ago

Evaluate the expression (-1/2)^3

Mathematics

2 answers:

Vinil7 [7]3 years ago

6 0

-1/8 is the anwser. Hope this helps!

Murrr4er [49]3 years ago

3 0

Answer:

-1/8 is correct answer

please mark me brainliest

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A runner's journal shows the number of miles run each day for a week:

xxMikexx [17]

Answer:

19 miles

Step-by-step explanation:

3 0

2 years ago

Solve the equation x2+11x-15=0, give ans to two dp.

Charra [1.4K]

Im going to assume you know the formula.
sooo.
x= -11 +- √ (11)² -4 (1) (-15)
---------------------------------
2(1)

= -11 +- √121- (-60)
-------------------------
2

= -11 +- √181
-----------------
2

= -11 +- 13.45
-----------------
2

Either: Or:
X = -11 - 13.45
  x = -11 + 13.45 ---------------
2
    ----- ----------
2
x = 1.23 x= -12.23

8 0

3 years ago

Need answer ASAP ASAP please ASAP ASAP thank you:)

Paha777 [63]

Answer:

42°

Step-by-step explanation:

3x + 54° = 180° [Supplementary angles]

=> 3x = 180 - 54

=> 3x = 126

$= > x = \frac{126}{3}$