Answer:
4.39 to 2DP.
Step-by-step explanation:
x * (x - 2) = 28
x^2 - 2x = 28
Solving by completing the square:
(x - 1)^2 - 1 = 28
(x - 1)^2 = 29
x = +/-√29 + 1
x = 6.38516, -4.38516
x must be positive so it = 6.38516.
The shortest side = x - 2 = 4.385.
Answer:
(b) so the fish was at 14 feet and know the fish is at 6 feet
and sorry i do not understand (a)
Part 1 : Ben takes a random sample of 25 students in his seventh-grade class and finds that 85% of the sample prefers math over science. There are 150 students in the seventh grade. Based on the sample proportion, about how many students in the seventh grade would be expected to prefer math over science?
Option 1 : 25
Option 2 : 85
Option 3 :150
Option 4 :128
Solutions - Convert the percent into decimal and multiply.
<span>85% of 150 = 0.85 * 150
</span>
= <span>127.5 which is rounded to 128 </span>
The reciprocal of -1/3 is -3/1
and the reciprocal of 4/1 is 1/4
Hi there!
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I believe your answer is:
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Here’s why:
- The average is found by dividing the sum of the values by the number of values.
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The numerator would consist of the test grades and the unknown 'g' and the denominator would be the number of tests he taken.
"At least" indicates a greater than or equal to inequality.
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Hope this helps you. I apologize if it’s incorrect.