The answer is 6.75 and the answer is a decimal
Answer:
x=-8
Step-by-step explanation:
first do whats in the parenthess and it will look like this
-12x-8=88 now add 8 to 88 and you get 96
-12x=96 now you want x by itself so divide -12 into 96 and you get -8
x=-8
Answer:
65
Step-by-step explanation:
-3x^3 + 7x^2 -7x-1
Let x = -2
-3(-2)^3 +7(-2)^2 -7(-2) -1
According to PEMDAS, Powers first
-3(-8) +7(4) +14 -1
Then multiply
24 +28 +14-1
Then add and subtract
65
Answer:
36.45
Step-by-step explanation:
tan 32 = a/35
x = 23.1
tan 70 = b/23.1
y = 28.2
x^2 = a^2+b^2
= 23 .1^2 + 28.2^2
= 36.45
12 feet divided by 12 is equal to 1 foot ]
therefore a 12 foot long board divided into 12 equal sections has 12 1 foot long sections
