Answer:
<h2>A. 804</h2>
Step-by-step explanation:
Given the total number of students in the school to be 2229 students. If among a sample of 452 students from this school district, 163 have mathematics scores below grade level, then we can determine the number of students in this school district with mathematics scores below grade level based on the sample scores using ratio.
Let the number of students in this school district with mathematics scores below grade level be x. The ratio of the students with math score below grade level to total population will be x:2229
Also, the ratio of the sample students with math score below grade level to sample population will be 163:452
On equating both ratios, we will have;
x:2229 = 163:452
Hence the estimate of the number of students in this school district with mathematics scores below grade level based on the sample is 804
I think the answer varies, depending on how the question is worded.
Here's how I got it:
In PEMDAS, you must do the work in parenthesis first. 60 plus 7 is 67, and 4 times 67 is 268, so there are a variety of answers.
You could do 200 + (60+8), and the answer would be 268.
You could do 100 + (110+58), and the answer would be 268.
You could even do 1 + (200+{60 + [4+4] } ), and the answer would be 268.
It depends on what the answer choices are, really. If it isn't an answer choice question, you got three answers right off the bat.
Answer:
$433
Step-by-step explanation:
Add the costs
In this problem, we are asked for the volume of the pool filled with water. In this case, the volume of the rectangular prism is equal to length times width times height. Since length and width are equal, the formula includes the squaring of the length. after substitution, the formula is 9^2 * 5 equal to 405 m3.