<u>Given</u>:
The two angles A and B are vertical angles.
The measure of ∠A is x and the measure of ∠B is 5x - 20.
We need to determine the measure of ∠A.
<u>Value of x:</u>
Since, the angles A and B are vertical angles and the vertical angles are always congruent.
Thus, we have;
Substituting the values, we have;
Adding both sides of the equation by 80, we have;
Thus, the value of x is 20.
<u>Measure of ∠A:</u>
The measure of ∠A can be determined by substituting x = 20 in the measure of angle A.
Thus, we get;
Thus, the measure of ∠A is 20°
Answer:
50 percent
5,730 years; The graph shows that 50 percent of the carbon-14 atoms have decayed after 5,730 years, so 5,730 is the half-life of carbon-14. 2. 12.5% 3.
Radiocarbon dating involves determining the age of an ancient fossil or specimen by measuring its carbon-14 content. ... Green plants absorb the carbon dioxide, so the population of carbon-14 molecules is continually replenished until the plant dies. Carbon-14 is also passed onto the animals that eat those plants.
The sister wrote because if 6 of the drink is 2.99 then 1 drink can possibly can 2
To ring the correct answer she would have to decide 2.99 to 6
And the correct price for each drink is 0.49833333....
Answer: the first answer choice
Step-by-step explanation: it’s nonlinear because it has a changing slope, and the graph crosses the y axis at -3
<span>December = $57
</span><span>In December, the price was $57, which was $29 less than the price in November then November price was: $57 + $29 = $86
</span><span>In November, the price of a GizmoPhone was double the price in March. so March: $86 x 2 = $172
answer: the price </span>of a GizmoPhone in March was $172
