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Leona [35]
3 years ago
12

Which expression has a value that is equivalent to the given expression when n = 8?

Mathematics
1 answer:
deff fn [24]3 years ago
8 0
2 times 8 equals 16 + 10 equals 26
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I need help with this question please
LenaWriter [7]

Answer:

Step-by-step explanation:

30t - 5t² = 10

5t² - 30t + 10 = 0

t = [30 ± √(30² - 4 ⋅ 5 ⋅ 10)] / [2 ⋅ 5]

= [30 ± √700] / 10

= [30 ± 10√7] / 10

= 3 ± √7

≈ 0.35 seconds and 5.65 seconds

6 0
3 years ago
Simplify:9-1÷2÷27^2÷3​
sammy [17]

<u>First let's calculate the exponents.</u>

27^2 : 729 = 9-1\div \:2\div \:729\div \:3

<u>Now we should multiply and divide.</u>

<u />1\div2\div729\div3:\frac{1}{4374} = 9-\frac{1}{4374}<u />

<u>Now we should add and subtract.</u>

<u />9-\frac{1}{4374} :\frac{39365}{4374} =  \frac{39365}{4374}<u />

<u>Convert the improper fractions into mixed numbers.</u>

<u />8\frac{4373}{4374}<u />

<u />

<u>Answer : </u>

<u />8\frac{4373}{4374}<u />

<u />

5 0
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Find the range of f(x) = –2x – 5 for the domain {–2, –1, 1, 2}.
Fiesta28 [93]
The answer would be D
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A bee flies at 20 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 15 ​minutes, and the
Mandarinka [93]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Convert 88 square yards to square meters (to the nearest tenth).
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the answer is....

73.6

3 0
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