Answer: I am just hoping that this is the correct answer
Step-by-step explanation:
2(-6 + -5y) + (2y + -8) = 0
(-6 * 2 + -5y * 2) + (2y + -8) = 0
(-12 + -10y) + (2y + -8) = 0
Reorder the terms:
-12 + -10y + (-8 + 2y) = 0
Remove parenthesis around (-8 + 2y)
-12 + -10y + -8 + 2y = 0
Reorder the terms:
-12 + -8 + -10y + 2y = 0
Combine like terms: -12 + -8 = -20
-20 + -10y + 2y = 0
Combine like terms: -10y + 2y = -8y
-20 + -8y = 0
Solving
-20 + -8y = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '20' to each side of the equation.
-20 + 20 + -8y = 0 + 20
Combine like terms: -20 + 20 = 0
0 + -8y = 0 + 20
-8y = 0 + 20
Combine like terms: 0 + 20 = 20
-8y = 20
Divide each side by '-8'.
y = -2.5
Simplifying
y = -2.5
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Answer:
a) About 40° and 5 °; b) the height of the person; c) none
Step-by-step explanation:
(a) Angles of depression and elevation
The angle of depression is about 40°.
The angle of elevation is about 5°.
(b) Dependence of angles
The angles of elevation and depression depend on the height of the person.
The taller the person, the smaller the angle of elevation and the larger the angle of depression.
(c) Limitations of angles
There is no chance that either angle could be greater than or equal to 99°.
Each is part of a right triangle.
If one angle is a right angle, each of the other two angles must be less than 90°.
1 Use Product Rule: <span>{x}^{a}{x}^{b}={x}^{a+b}<span><span>x<span><span>a</span><span></span></span></span><span>x<span><span>b</span><span></span></span></span>=<span>x<span><span><span>a+b</span></span><span></span></span></span></span></span>
<span>{n}^{2+2}<span>n<span><span><span>2+2</span></span><span></span></span></span></span>
2 Simplify <span>2+2<span>2+2</span></span> to <span>44</span>
<span><span>{n}^{4}
<span>answer is n<span><span>4</span><span></span></span></span></span><span>
</span></span>
Answer:
Step-by-step explanation:
a Calculate Remas wage in a week where she works 37 hours. ... To calculate the hourly rate earned when working overtime we multiply the normal hourly rate by ... overtime factor, which is 1 2 for time and a half and 2 for double time. ... 3 Gareth works as a train driver and is normally paid $11.48 per hour.
