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____ [38]
3 years ago
10

What is the discriminant of 4n^2 - 7n +2 = 0?

Mathematics
1 answer:
Marina86 [1]3 years ago
3 0
The discriminant is 2
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What is the 10th term of the sequence 64,16,4....?
krek1111 [17]

Answer:

10th term of the sequence 64,16,4... = 1/4096

Step-by-step explanation:

Points to remember

nth term of GP is given by.

Tₙ = ar⁽ⁿ⁻¹⁾

Where r is the common ratio and a is the first term

<u>To find the 10th term of given GP</u>

It is given that,

64, 16, 4,......

a = 64 and 6 = 1/4 Here

T₁₀ = ar⁽ⁿ⁻¹⁾

 = 64 * (1/4)⁽¹⁰⁻¹⁾ = 64 * (1/4⁹)

 = 4³/4⁹ = 1/4⁶ = 1/4096

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3 years ago
Sheldon works at the coffee shop every Tuesday and he gets paid $15, plus $0.25 for each cup of coffee he sells. This weekend, h
lutik1710 [3]

Answer:

Sheldon has to sell at least 143 cups of coffee to purchase the kayak.

Step-by-step explanation:

First write an expression:

15 + 0.25x ≥ 50.75

Next use inverse operations:

15 + 0.25x - 15 ≥ 50.75 - 15

0.25x ≥ 35.75

0.25x ÷ 0.25 ≥ 35.75 ÷ 0.25

x ≥ 143

Sheldon has to sell at least 143 cups of coffee to purchase the kayak.

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3 years ago
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Write the decimal as a percent.<br> 0.487 = ??
pishuonlain [190]

Answer:

48.7%

Step-by-step explanation:

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Which inference is true?
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The answer is c

I just answered the question on edunity

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You are converting 8 centimeters to meters. How will the<br> number of meters compare to 8? Explain.
Anton [14]

Answer:

  the number of meters is smaller than 8

Step-by-step explanation:

A meter is 100 times the length of a centimeter, so it takes a factor of 100 fewer of them to have the same length.

  8 cm = 0.08 m

0.08 is a smaller number than 8. The number of meters is less than the number of centimeters (by a factor of 100).

8 0
4 years ago
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