Answer:
14. x=30, y=15, z=165
15. x=10, y=25
Step-by-step explanation:
B=2a+5 -----(1)
a+b=44----(2)
place (1) into (2)
a+(2a+5) = 44
3a+5=44
3a=39
so a= 13
then b=2(13)+5= 26+5=31
so that the two numbers are 13 and 31
Answer:
−
√
(
9
+
y
)
2
>
1
Explanation:
−
√
(
9
+
y
)
2
, where y
<
−
10
Simplify the expression,
−
√
(
9
+
y
)
2
=
−
(
9
+
y
)
=
−
9
−
y
When y
<
−
10
,
−
y
>
10
Subtract 9 from both sides,
−
9
−
y
>
1 Hence,
−
√
(
9
+
y
)
2
>
1
Answer:
1. have se x
Step-by-step explanation: