Answer:
1 pound
Step-by-step explanation:
11/12 - 5/6
|
(11 × 6) - (5 × 12)
––––––––––––
12 × 6
|
= 6/72
|
6 ÷ 6
–––––
72 ÷ 6
|
= 1/12
We're going to estimate that the answer is 1 pound.
Answer:
Let's solve for x.
4x+2y=5
Step 1: Add -2y to both sides.
4x+2y+−2y=5+−2y
4x=−2y+5
Step 2: Divide both sides by 4.
4x
4
=
−2y+5
4
x=
−1
2
y+
5
4
Let's solve for x.
−4x−5y=7
Step 1: Add 5y to both sides.
−4x−5y+5y=7+5y
−4x=5y+7
Step 2: Divide both sides by -4.
−4x
−4
=
5y+7
−4
x=
−5
4
y+
−7
4
Answer:
x=
−5
4
y+
−7
4
Step-by-step explanation:
I hope this helps
Answer:
<h2>Negative.</h2>
Step-by-step explanation:
The given function is
Where 
, so the angle is 
This angle is at between the third and fourth quadrant, the angle has its endside at y-axis, specifically, at its negative side, where the sin function is -1, because it's in the negative part of y-axis.
Therefore, the right answer is negative.
Answer:C. (77.29, 85.71)
Step-by-step explanation:
We want to determine a 95% confidence interval for the mean test score of randomly selected students.
Number of sample, n = 25
Mean, u = 81.5
Standard deviation, s = 10.2
For a confidence level of 95%, the corresponding z value is 1.96. This is determined from the normal distribution table.
We will apply the formula
Confidence interval
= mean +/- z ×standard deviation/√n
It becomes
81.5 +/- 1.96 × 10.2/√25
= 81.5 +/- 1.96 × 2.04
= 81.5 +/- 3.9984
The lower end of the confidence interval is 81.5 - 3.9984 =77.5016
The upper end of the confidence interval is 81.5 + 3.9984 =85.4984
Therefore, the correct option is
C. (77.29, 85.71)
Answer:
C=12h+7
Step-by-step explanation:
The total cost = 7 (flat rate) + 12h (12/hour)
