Answer:
11:
since diagonal are equal of rectangle
QS=RT
4x+6=6x-4
6+4=6x-4x
2x=10
x=10/2
x=5
now
diagonal :4x+6=4*5+6=<u>26</u>
12.
again
QS=RT
9x+12=11x-10
12+10=11x-9x
2x=22
x=11
now
diagonal=9*11+12=99+12=<u>111</u>
Answer:
5
−
1
(
+
3
)
=
1
3
(
9
+
1
8
)
−
5
5x-1(x+3)=\frac{1}{3}(9+18)-5
5x−1(x+3)=31(9+18)−5
Solve
1
Distribute
5
−
1
(
+
3
)
=
1
3
(
9
+
1
8
)
−
5
5
−
−
3
=
1
3
(
9
+
1
8
)
−
5
2
Combine like terms
3
Add the numbers
4
Multiply the numbers
5
Subtract the numbers
6
Add
3
3
3
to both sides of the equation
7
Simplify
8
Divide both sides of the equation by the same term
9
Simplify
Show less
Solution
=
7
4
Step-by-step explanation: