Answer: 47.5
Step by step:
5x+y (x=9)(y=2.5)
5(9)+2.5
45+2.5
= 47.5
Answer:
2u + 8
General Formulas and Concepts:
<u>Pre-Algebra</u>
Step-by-step explanation:
<u>Step 1: Define</u>
2(u + 4)
<u>Step 2: Expand</u>
- Distribute 2: 2(u) + 2(4)
- Multiply: 2u + 8
Answer:
a) the product is equal to 953.
b) the product is greater than 443.
c) the product is greater than 181.
Step-by-step explanation:
a) 953 × 63/63 = 953
Therefore, the product is equal to 953.
b) 443 × 86/79 = 482.25
Therefore, the product is greater than 443.
c) 181 × 30/28 = 193.93
Therefore, the product is greater than 181.
Hope this helps =)
1.
No.
Equation: x-25=40
Variable represents number of donuts
2.
8/3=x
Variable represents ounces of milk
/ means divided by
3.
50-12=x
Variable represents how many hours you work
Sorry for not doing 4
Answer: 24.9793
Step-by-step explanation:
Given : The director randomly selects 64 different 24-hour periods and determines the number of admissions for each.
For this sample, he calculated a mean 
and a standard deviation of 100.
The 95% confidence interval results in an interval of 
We know that the confidence interval for population mean is given by :_
, where E is the margin of error.
By comparing this to the given interval , we find that the margin of error = 24.9793
