3 years ago

Evaluate the expression when a= -3 and C = 6 8c - a

Mathematics

2 answers:

Sav [38]3 years ago

8 0

Answer:

Step-by-step explanation:

plug in

8(6)- (-3)

48-(-3)

expeople1 [14]3 years ago

6 0

51 is the answer soo ya

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Mama L [17]

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3 years ago

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kupik [55]

Find $a_{1}$ by plugging in 1 into n:
$a_{1} = 98-2(1)=96$

Find $a_{11$ by plugging in 11 into n:
$a_{11} = 98-2(11)$
$a_{1} =98-22=76$

Now to find the sum your formula is:
$S_{n} = \frac{n}{2} ( a_{1} + a_{n})$
$n = 11, a_{1} = 96 , a_{11} =76$

Now plug that into the formula
$S_{11} = \frac{11}{2} (96+76)$
$S_{11} = 5.5(172)=946$

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3 years ago

Fiona finds that the distance between two cities is 83,400,000 millimeters. What is the distance between the two cities in kilom

Vaselesa [24]

The metric table goes: millimeters, centimeters, decimeters, meters, dekameters, hectometers, kilometers. To move up the table, move the decimal point one to the left. To go from millimeters to centimeters, your answer would be 8,340,000.0, which is 8,340,000. However, you want kilometers. This would be 83.4 kilometers. Hope this helps!

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Helga [31]

Answer:

the coifficent is 4/3

Step-by-step explanation:

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2 years ago

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