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marysya [2.9K]
3 years ago
5

What did I do wrong?

Mathematics
2 answers:
Dima020 [189]3 years ago
7 0
You accidentally made “n” positive for “(-n-2)” the answer should be {-2,-1}
tresset_1 [31]3 years ago
3 0
You put positive instead of negative n
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After Myong's cylindrical birthday cake was sliced, she received the slice at right. If her birthday cake originally
Talja [164]

Answer:

97.53 in³

Step-by-step explanation:

The cylindrical birthday cake has a diameter (d) of 14 inches and a height (h) of 6 inches.

The radius of the cake (r) = diameter / 2 = 14 inches / 2 = 7 inches.

The volume of the full cake = πr²h = π(7²)6 = 924 in³

Since only a part of the cake was cut and given to Myong. The total measure of the cake is 360°, but the part given to her was 38°. Hence the volume of her slice is given as:

Volume of her slice = (38 / 360) * volume of the full cake = (38 / 360) * 924 = 97.53 in³

Volume of her slice = 97.53 in³

7 0
3 years ago
What is 150% of 30? please answer lol
sdas [7]

Answer:

45

Step-by-step explanation:

When × by values higher than 100%, you divide the number by ten and add it to the number you are taking percentage of In this case, 15+30 = 45

4 0
2 years ago
Read 2 more answers
Henry says he can write an 8 in each box to make both equations true. Is he correct?
Rama09 [41]

Answer:

yes it's true because 3 groups of 8 is 24

4 0
3 years ago
A. True
MrRissso [65]
The answer would be false
8 0
2 years ago
What is the measurement of BC to the nearest centimeter?
77julia77 [94]

Answer:

a   8

Step-by-step explanation:

You are given two sides and the included angle. Since you don't have any side and the opposite angle, you must use the law of cosines.

a^2 = b^2 + c^2 - 2bc\cos A

a^2 = 5^2 + 11^2 - 2(5)(11)\cos 39^\circ

a^2 = 25 + 121 - 110\cos 39^\circ

a^2 = 60.51

a = 7.779

Answer: a = 8 cm

7 0
3 years ago
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