The student's error was in first step where he added -0.72 instead of 0.72
Step-by-step explanation:
Given equation;
z + (-0.72) = -2.5
When solving for z, eliminate the other numbers from one side.
Step 1: z + (−0.72) + (−0.72) = −2.5 + (−0.72)
In this step, the student should have added 0.72 because -0.72 was already present in the equation and to eliminate it, he should have add same number with opposite sign.
According to this Step, -0.72 and -0.72 would have been added, because according to mathematics, two numbers with minus sign are added and the sign remains same.
The student's error was in first step where he added -0.72 instead of 0.72
Keywords: addition, subtraction
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Answer:
I can answer if u post a pic or at least a link
Step-by-step explanation:
Answer:
X= 1/9 decimal form x=0.1
Step-by-step explanation:
3^x+1=3²(5x)
x+1 =2(5x)
solve for x
x=1/9
Exact form: x= 1/9
Decimal form x=0.1
Answer:
The length of the garden should be
Step-by-step explanation:
Let
x------> the length side of the garden
we know that
The area enclosed by the fence is equal to
Do you mean exponential form as in scientific notation or as in prime factorization.
Now matter I will do both.
As in scientific notation.
200*75
=150*100
=1.5*10000
=1.5*10^4
As in prime factorization.
200*75
=2^3*5^2*3*5^2
=2^3 * 3 * 5^4
Do the one your teacher ask for :) Hope it helps!