Mathematics, 02.11.2019 11:31, natalie2sheffield
Urgent math will mark giving 25
correct answers !
question 1
a cooking show currently has about 223,000 regular viewers. the number of regular viewers has been decreasing at a rate of 4.7% per year.
which is the best prediction for the number of regular viewers the show will have in 6 years?
question 1 options:
35,420
37,167
104,810
167,056
question 2 (3 points)
a population of 30,000 fish is expected to shrink at a rate of 7.5% per year.
which is the best prediction for the fish population in 8 years?
question 2 options:
2813
3469
16,079
27,750
question 3 (3 points)
bromine-82 has a half-life of about 35 hours.
after 140 hours, how many milliliters of an 80 ml sample will remain?
question 3 options:
65 ml
20 ml
10 ml
5 ml
question 4 (3 points)
polonium-218 has a half-life of about 3 minutes.
after 15 minutes, how many milligrams of a 120 mg sample will remain?
question 4 options:
1.875 mg
3.75 mg
4.8 mg
7.5 mg
question 8 (3 points)
pippa is holding the end of her kite string 1.4 m above the ground. the kite string rises at a 63° angle of elevation. pippa has let out all 75 m of string.
to the nearest tenth of a meter, how high above the ground is the kite?
question 8 options:
34.0 m
35.4 m
66.8 m
68.2 m
question 9 (3 points)
using his telescope, tommy watches a bald eagle as it sits on the top of a cliff. the telescope is positioned so that the line of sight to the eagle forms a 38° angle of elevation. the telescope sits 1.3 m above the ground and the base of the telescope is 116 m from the base of the cliff.
to the nearest tenth of a meter, how high above the ground is the eagle?
question 9 options:
90.6 m
91.9 m
148.5 m
149.8 m
question 10 (3 points)
a photographer's camera sits on a tripod that is 1.8 m above the ground. the base of the tripod is 44 m from the base of a tree. the photographer spots a woodpecker in the tree at a 39° angle of elevation.
to the nearest tenth of a meter, how high above the ground is the woodpecker?
question 10 options:
37.4 m
36.0 m
35.6 m
34.2 m
Answers: 2
Mathematics, 21.06.2019 15:30, sandyyknguyen4837
Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary
Answers: 3
Mathematics, 21.06.2019 15:30, hannahking1869
Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18
Answers: 1
Mathematics, 21.06.2019 15:40, sheabenitez305
Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathanâs solution? jonathanâs answer is reasonable because there are two decimal places in the factors and two in the product. jonathanâs answer is unreasonable because there are three decimal places in the factors and two in the product. jonathanâs answer is reasonable because is 16, and 16 is close to 15.77. jonathanâs answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
Mathematics, 21.06.2019 19:00, stephaniem0216
Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
Answers: 1
Urgent math will mark giving 25
correct answers !
question 1
a cooking...
correct answers !
question 1
a cooking...
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