Multiplying both sides of an equation by the same number keeps the equation true. In this example, both sides are multiplied by 3, so the equation isn't changed.
Answer:
18inches = 1.5 ft.
14inches= 1.16667 ft.
Step-by-step explanation:
1inch = 0.0833 ft.
Answer:
t = -5
Step-by-step explanation:
Solve for t:
5 (t - 3) - 2 t = -30
Hint: | Distribute 5 over t - 3.
5 (t - 3) = 5 t - 15:
5 t - 15 - 2 t = -30
Hint: | Group like terms in 5 t - 2 t - 15.
Grouping like terms, 5 t - 2 t - 15 = (5 t - 2 t) - 15:
(5 t - 2 t) - 15 = -30
Hint: | Combine like terms in 5 t - 2 t.
5 t - 2 t = 3 t:
3 t - 15 = -30
Hint: | Isolate terms with t to the left hand side.
Add 15 to both sides:
3 t + (15 - 15) = 15 - 30
Hint: | Look for the difference of two identical terms.
15 - 15 = 0:
3 t = 15 - 30
Hint: | Evaluate 15 - 30.
15 - 30 = -15:
3 t = -15
Hint: | Divide both sides by a constant to simplify the equation.
Divide both sides of 3 t = -15 by 3:
(3 t)/3 = (-15)/3
Hint: | Any nonzero number divided by itself is one.
3/3 = 1:
t = (-15)/3
Hint: | Reduce (-15)/3 to lowest terms. Start by finding the GCD of -15 and 3.
The gcd of -15 and 3 is 3, so (-15)/3 = (3 (-5))/(3×1) = 3/3×-5 = -5:
Answer: t = -5
<u>Given</u>:
Given that O is the center of the circle.
AB is tangent to the circle.
The measure of ∠AOB is 68° and we know that the tangent meets the circle at 90°
We need to determine the measure of ∠ABO.
<u>Measure of ∠ABO:</u>
The measure of ∠ABO can be determined using the triangle sum property.
Applying the property, we have;
![\angle ABO+\angle BAO+\angle AOB=180^{\circ}](https://tex.z-dn.net/?f=%5Cangle%20ABO%2B%5Cangle%20BAO%2B%5Cangle%20AOB%3D180%5E%7B%5Ccirc%7D)
Substituting the values, we get;
![\angle ABO+90^{\circ}+68^{\circ}=180^{\circ}](https://tex.z-dn.net/?f=%5Cangle%20ABO%2B90%5E%7B%5Ccirc%7D%2B68%5E%7B%5Ccirc%7D%3D180%5E%7B%5Ccirc%7D)
Adding the values, we have;
![\angle ABO+158^{\circ}=180^{\circ}](https://tex.z-dn.net/?f=%5Cangle%20ABO%2B158%5E%7B%5Ccirc%7D%3D180%5E%7B%5Ccirc%7D)
Subtracting both sides by 158, we get;
![\angle ABO=22^{\circ}](https://tex.z-dn.net/?f=%5Cangle%20ABO%3D22%5E%7B%5Ccirc%7D)
Thus, the measure of ∠ABO is 22°