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sukhopar [10]
3 years ago
14

Which description is paired with its correct expression? seven less than the quotient of two and a number squared, increased by

six; 7 minus StartFraction 2 Over n squared EndFraction + 6 nine times the difference of a number cubed and three; 9 (n cubed minus 3) eight more than the quotient of a number squared and four, decreased by seven; 8 + StartFraction 4 Over n squared EndFraction minus 7 twice the difference of a number cubed and eight; 2 n cubed minus 8 Mark this and return
Mathematics
2 answers:
kap26 [50]3 years ago
7 0

Answer:

its a

Step-by-step explanation:

you can tell by the ways the set up the problem

AnnZ [28]3 years ago
6 0

Answer:

a on edge

Step-by-step explanation:

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There are 58 students enrolled in an art class. The day before the class begins, 10.3% of the students cancel. How many students
Sidana [21]
First, set up a proportion. 10.3% is the percentage of students who cancelled, but the question is asking for the students who are attending, so let’s use 89.7% to make it easier. The proportion would be x over 58 is equal to 89.7% over 100%. Multiply 58 by 89.7, giving you 5,202.6. Next, take 5,202.6 and divide it by 100. This should give you 52. 026, but it’s best to round this to 52. 52 students actually attend the art class, making this your final answer.
7 0
4 years ago
The chain of the Hawaiian Islands can be used to calculate the rate of movement of the Pacific Plate over the last few million y
klasskru [66]

Answer:

9.28 × 10⁻⁴ cm/year.

Step-by-step explanation:

Let d(t₀) represent the initial position of Kauai island = 0 km from the hot spot. at time t = 0 million years. Let d(t₁) represent its final position at time t₁ = 5.1 million years later in the North - west direction. d(t₁)=473 km = 4.73 × 10³ cm. The average speed v = total distance/ total time =[d(t₁) - d(t₀)]/t₁₋t₀ = (4.73 × 10³ - 0)/(5.1 × 10⁶ - 0) =  4.73/5.1 × 10³⁻⁶ = 9.275 × 10⁻⁴ cm/year ≅ 9.28 × 10⁻⁴ cm/year

7 0
3 years ago
The difference of two numbers is 5, and their sum is 17. What are the two numbers?
inysia [295]

Answer:

11 and 6

Step-by-step explanation:

11-6=5 <--- difference

11+6=17 <--- sum

3 0
3 years ago
How do you find 20 percent off $150 as an example but how do you find questions like these the easiest way you can explain to me
Finger [1]
Change the percent in to a decimal and then multiply the decimal with the whole number subtract the whole number from the answer to get the money left over it is based on what the question is asking

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3 years ago
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3 years ago
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