What are the roots of -4 and 3
1 answer:
Answer: The root of -4 is 2, and I'm not sure about 3
Step-by-step explanation:
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Total number of possible outcomes = 36
Total number of outcomes with sum even = 18
P(even) = 18/36 = 1/2
Answer: 1/2
Total Area = 2( 32 x 79) + (26 x 42) = 6148 m²
Number of 4 m² = 6148 ÷ 4 = 1537
Answer: The zoo can have 1537 plants.
Answer: 1=1 question 2 = 1 again 5-6 is the next and 4 3-10 5-6 next answer2-7 3-8 5-4 -22--9 2-29 are all the answers
Step-by-step explanation:
1 Multiply both sides by
n
−
3.2
n−3.2.
n
+
0.3
=
9
2
(
n
−
3.2
)
n+0.3=
2
9
(n−3.2)
2 Simplify
9
2
(
n
−
3.2
)
2
9
(n−3.2) to
9
(
n
−
3.2
)
2
2
9(n−3.2)
.
n
+
0.3
=
9
(
n
−
3.2
)
2
n+0.3=
2
9(n−3.2)
3 Multiply both sides by
2
2.
2
n
+
0.6
=
9
(
n
−
3.2
)
2n+0.6=9(n−3.2)
4 Expand.
2
n
+
0.6
=
9
n
−
28.8
2n+0.6=9n−28.8
5 Subtract
2
n
2n from both sides.
0.6
=
9
n
−
28.8
−
2
n
0.6=9n−28.8−2n
6 Simplify
9
n
−
28.8
−
2
n
9n−28.8−2n to
7
n
−
28.8
7n−28.8.
0.6
=
7
n
−
28.8
0.6=7n−28.8
7 Add
28.8
28.8 to both sides.
0.6
+
28.8
=
7
n
0.6+28.8=7n
8 Simplify
0.6
+
28.8
0.6+28.8 to
29.4
29.4.
29.4
=
7
n
29.4=7n
9 Divide both sides by
7
7.
29.4
7
=
n
7
29.4
=n
10 Simplify
29.4
7
7
29.4
to
4.2
4.2.
4.2
=
n
4.2=n
11 Switch sides.
n
=
4.2
n=4.2
