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3 years ago

I don’t think you really see it but if you can please help me I’m to lazy

Mathematics

1 answer:

love history [14]3 years ago

8 0

Answer:

Step-by-step explanation:

c = 41.21 - 0.41L

hope this helps <3

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2. Find the 20th term of an arithmetic sequence if its 6th term is 14 and 14th term is 6.

Fudgin [204]

Answer:

$\sf t_{20}= 0$

Step-by-step explanation:

<h3>Arithmetic sequence:</h3>

$\sf \boxed{\bf n^{th} \ term = a + (n-1)d}\\\\\text{Here, a is the first term ; d is the common difference }$

6th term is 14 ⇒ $\sf t_6 = 14$

a + (6 - 1)d = 14

a + 5d = 14 --------------(I)

14th term is 6 ⇒ $\sf t_{14} = 6$

a + (14-1)d = 6

a + 13d = 6 ----------------(II)

Subtract equation (II) from equation(I)

(I) a + 5d = 14

(II) a + 13d = 6

-8d = 8

d = 8 ÷(-8)

$\sf \boxed{\bf d= (-1)}$

Plugin d = -1 in equation (I)

a + 5(-1) = 14

a -5 = 14

a = 14 + 5

$\sf \boxed{\bf a = 19}$

20th term:

$\sf t_{20}= 19 + 19*(-1)$

= 19 - 19

$\sf \boxed{\bf t_{20} = 0}$

8 0

2 years ago

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Jupiter has a diameter $86,881 mi. What is the circumference of the planet?<br> C=___in<br> C=___mi

Sophie [7]

Answer:

10) 87.96 in

15) 272,944.7 in

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1 year ago

Which of the following correctly completes the square for: x^2+2x=48

Ket [755]

Answer:

(x+1)²= 49, the answer is B

Step-by-step explanation:

x² + 2x = 48

x² + 2x + (2/2)² - (2/2)²= 48 --[what we are trying to do is to complete a square by adding (2/2)² - (2/2)²]

(x+1)²= 49, the answer is B

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3 years ago

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Sonbull [250]

Answers:
(sin40)/(cos40) and
(cos50)/(sin50)

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3 years ago

(03.01 MC)

Kitty [74]

Answer:

hey i cat under stand without the graph

Step-by-step explanation:

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