Answer:
< 1 = 88
< 2 = 92
Step-by-step explanation:
First add 4x - 4 + 4x = 180
X = 23
4(23) - 4 = 88
4(23) = 92
Answer:
He can grade 1.25 assignments in 1 minute.
Step-by-step explanation:
Because the teacher can grade 25 assignments in 20 minutes, we can dive 25 by 20 to get the constant rate.
So he can grade 1.25 assignments in 1 minute.
The rate of water level change per hour is 1.5 inches per hour. You can find it out easily by dividing the total time by the total level change. Hope this Helps:)
Answer:
Step-by-step explanation: x = 9
x = 3
Step by step solution :
Step 1 :
Trying to factor by splitting the middle term
1.1 Factoring x2-12x+27
The first term is, x2 its coefficient is 1 .
The middle term is, -12x its coefficient is -12 .
The last term, "the constant", is +27
Step-1 : Multiply the coefficient of the first term by the constant 1 • 27 = 27
Step-2 : Find two factors of 27 whose sum equals the coefficient of the middle term, which is -12 .
-27
+
-1
=
-28
-9
+
-3
=
-12
That's it
Answer:
32
Step-by-step explanation:
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