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Liula [17]
3 years ago
5

8n - (2n+11 - 54)simplify

Mathematics
1 answer:
Serjik [45]3 years ago
5 0

Answer:

8n - (2n + 11 - 54) =

Step-by-step explanation:

6n + 43, I used a calculator !

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Which inequality is represented by this graph? A number line going from negative 5 to positive 5. An open circle is at 0. Everyt
katovenus [111]

Answer:

x > 0

Step-by-step explanation:

Since there is an open circle at x = 0, then x cannot be equal to zero.

The line to the right of x = 0 is shaded meaning that x has values greater than zero.

x > 0 ← is the inequality represented on the number line

3 0
3 years ago
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When the fifth term of an arithmetic sequence whose  common difference is D=six and whose first term is a1 =four
kodGreya [7K]

Answer:

28 is the answer

Step-by-step explanation:

in an arithmetic sequence nth term An is given by the equation

an \:  = a1 + (n - 1) \times d

where A1 is first term and d is common difference. thus from the question we have

a5 = 4 + ((5 - 1) \times 6) \\  = 4 + (4 \times 6) \\  = 4 + 24 \\  = 28

5 0
3 years ago
Anyone know this ???
e-lub [12.9K]

Answer:

? = 13

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

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? = \sqrt{169} = 13

4 0
3 years ago
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A toll bridge charges $1.00 for passenger cars and $2.25 for other vehicles. Suppose that during daytime hours, 60% of all vehic
Rama09 [41]

Answer:

Total revenue by the toll bridge = $45

Step-by-step explanation:

Total vehicles crosses the bridge = 30

Number of passenger cars = 60 % of all vehicles = \frac{60}{100}\times {30} = 18

Other vehicles = 30 - 18 = 12

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Thus total Revenue by the  passenger cars = 18 × 1 = $18

Charges for other vehicles = $2.25

Total revenue by other vehicles = 2.25 × 12 = $27

Thus the total revenue from the toll bridge = 18 + 27 = $45

3 0
4 years ago
 solve the following system by any method. –8x – 8y = 0 –8x  2y = –20 
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-8x-8y=0 (divide both sides by -8, you get:) x+y=0, x=-y
-8x2y=-20 (divide both sides by -16:) xy=20/16=5/4
plug the first simplified equation into the second one, 
-y²=5/4...This does not have a solution, are you sure you typed the second equation correctly?
3 0
4 years ago
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