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nadya68 [22]
3 years ago
8

Find the 8th term of the arithmetic sequence -5x+3, x+9, 7x+15, ...

Mathematics
1 answer:
Vadim26 [7]3 years ago
6 0

Answer:

Step-by-step explyou have a big brother or sister

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Explain how you have solved for x and show your workings out. I will award the brainliest 25 points!
Brums [2.3K]

Answer:

The value of x is 10º.

Step-by-step explanation:

From Euclidean Geometry we remember that the sum of internal angles within a triangle equals to 180º. We present the resulting triangle after applying some geometric handling in the image attached below. Then, the triangle satisfies the following equation:

100^{\circ} + (80^{\circ}-5\cdot x)+(4\cdot x +10^{\circ}) = 180^{\circ} (1)

190^{\circ} - x = 180^{\circ}

x = 10^{\circ}

The value of x is 10º.

5 0
3 years ago
sean needs to finish reading his book in four days. he reads 1/3 of the book on the first day, 1/4 of the book on the second day
emmainna [20.7K]

Answer:

60 pages

Step-by-step explanation:

Day 1 : 1/3 book

Day 2: 1/4 book

Day 3: 1/5 book

Day 4: 13 pages

Total days 1 through 3 = 1/3 + 1/4 + 1/5 = 20/60 + 15/60 + 12/60 = 47/60

Day 4 = 1 - 47/60 = 13/60

8 0
2 years ago
I will give brainliest <br> Find n. <br> 35n/35 = 700/35
adoni [48]

Answer:

20

Step-by-step explanation:

\frac{35n}{35} =\frac{700}{35} \\

multiply both sides by 35

35*\frac{35n}{35} = 700 * 35\\35n = 700

divide both sides by 35

n = 20

6 0
3 years ago
Read 2 more answers
You buy a six pack of Gatorade for $9.00. What is the unit price or the price per bottle?
Viefleur [7K]

Answer:

Price per bottle is 1.5 or $1.50

Step-by-step explanation:

To get price per unit, you just divide the amount of money spent by the items purchased. 9/6 = 1.5

4 0
3 years ago
Lin has a pet German Shepherd that weighs 38 when measured in one unit and 84 when measured in a different unit. which measureme
Citrus2011 [14]

Answer:

38= kilo 84= pounds

Step-by-step explanation:

8 0
2 years ago
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