Answer:
change in saving account balance is -$149.98
Step-by-step explanation:
The computation of the change in saving account balance is as follows;
= Total amount changed in the saving account balance ÷ number of monthly payments
= -$1,799.76 ÷ 12 monthly payments
= -$149.98
Hence, the change in saving account balance is -$149.98
The same is relevant
If you mean to find 4 cos(2<em>a</em>), then recall the double angle identity for cosine:
cos(2<em>x</em>) = 2 cos²(<em>x</em>) - 1
so that
4 cos(2<em>a</em>) = 4 (2 cos²(<em>x</em>) - 1) = 4 (√3 - 1)
X = 4; Let's solve your equation step-by-step.
2
3
(
x
−
7
)
=
−
2
Step 1: Simplify both sides of the equation.
2
3
(
x
−
7
)
=
−
2
(
2
3
)
(
x
)
+
(
2
3
)
(
−
7
)
=
−
2
(Distribute)
2
3
x
+
−
14
3
=
−
2
Step 2: Add 14/3 to both sides.
2
3
x
+
−
14
3
+
14
3
=
−
2
+
14
3
2
3
x
=
8
3
Step 3: Multiply both sides by 3/2.
(
3
2
)
*
(
2
3
x
)
=
(
3
2
)
*
(
8
3
)