Answer: 20 outlets.
Step-by-step explanation:
We know that Jamal rewired 4 electrical outlets in 1 1/2 hours. This time can be rewritten as a decimal:
Then, if he works at the same pace for 7.5 hours you can calculate the number of outlets that he will rewire with:
Being "x" the number of outlets that Jamal will rewire.
Finally, you have to solve for "x":
He will rewire 20 outlets.
Answer:9z - 63 = 0
what does z = ?
9 x 7 = 63 - 63 = 0
z = 7
Step-by-step explanation:hope this helps :)
Answer:
0.15%, or 15/100 of 1%, or 3/20 of 1%
Step-by-step explanation:
68% of the data lies within 1 standard deviation of the mean (23.3 oz), or between 23.1 oz and 23.5 oz.
95% of the data lies within 2 std. dev. of the mean, or between 22.9 oz and 23.3 oz.
99.7% of the data lies within 3 std. dev of the mean, or between 22.7 oz. and 23.1 oz.
The remaining area under the curve is 100% - 99.7%, or 0.3%, Only half of this, or 0.15%, is to the left of 22.7 oz.
Answer:
The answer is multiplying by -2
Step-by-step explanation:
Answer:
Step-by-step explanation:
This is a system of inequalities such that:
Let's start by solving for y for both equations:
Equation 1:
Equation 2:
Now if we substitute the 2nd y into the first equation we obtain:
Now we will solve for the second equation using the first result of y and we obtain:
And so our solution for the system of equations is:
As well as:
