what is the perimeter of this figure?
Mathematics, 20.01.2020 06:31 perezz97
This figure consists of a rectangle and semicircle.
what is the perimeter of this figure?
use 3.14 for pi.
19.42 cm
20.28 cm
23.42 cm
32.84 cm
Answers: 2
Mathematics, 21.06.2019 16:30
The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7
Answers: 1
Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60
Answers: 1
Mathematics, 22.06.2019 00:30
Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15
Answers: 1
Mathematics, 22.06.2019 01:00
The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.
Answers: 2
This figure consists of a rectangle and semicircle.
what is the perimeter of this figure?
what is the perimeter of this figure?
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