Answer:
a=3, c=-4, x=8
Step-by-step explanation:
5=4a-7
4a-7=5
4a=5+7
=12
a=12÷4
=3
3-8c=35
-8c=35-3
=32
c=-32÷8
=-4
-1/2x-7=-11
-1/2x=-11+7
=-4
x=4÷1/2
=4/1×2/1
=8
Answer:
1920 ft^3
Step-by-step explanation:
Split it in 2.
14*8*10 and 10*10*8
14*10*8 = 1120
10*10*8 = 800
800 + 1120 = 1920
Answer:
7 ÷ 5
Step-by-step explanation:
1/5 of 7 is equal to 1/5 times 7/1, which will simplify to 7/5, or 7 ÷ 5.
Answer:
75cm2
Step-by-step explanation:
The first one and the second one are the correct sums
