Mathematics, 18.07.2019 01:00 marialuizavalen
Which statements are true about the reflectional symmetry of a regular heptagon?
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 ā0.1315 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 āreal-worldā examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 20:00
The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16
Answers: 3
Mathematics, 21.06.2019 23:00
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
Answers: 1
Mathematics, 21.06.2019 23:30
Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?
Answers: 1
Which statements are true about the reflectional symmetry of a regular heptagon?...
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