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Xelga [282]
4 years ago
15

When a 49 pound weight is attached to the spring, the spring stretches 7 inches. Assume that the length of the spring y varies d

irectly with the weight attached x. write and solve a direct variation equation to find the length of the spring when a 63 pound weight is attached
solution please :)
Mathematics
1 answer:
stealth61 [152]4 years ago
8 0
I'm not totally sure, but it might be y= x/7.
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9 miles is approximately equal to 16 km. How many km are equal to 63 miles? How many miles are equal to 48 km?
Vikki [24]
The first answer is 112 because you multiply 9 by 7 to get 63 and then you multiply 16 by 7 to get 112. and the second one is 27 because 16 times 3 equals 48 so then you multiply 9 by 3 to get 27.:)
7 0
3 years ago
The sum of three consecutive integers is 90. Find the three numbers by letting x
Law Incorporation [45]

Answer:

x = 28

Step-by-step explanation:

let us take three consecutive numbers be (x + 1), (x + 2) and (x + 3)

Now,

The sum of three consecutive integers is 90

i.e.,

(x + 1) + (x + 2) + (x + 3) = 90

x + 1 + x + 2 x + 3 = 90

3x + 6 = 90

3x = 90 - 6

3x = 84

x = 84/3

x = 28

x = 28Thus, The value of x is 28

<h2><em><u>VERIFICATION</u></em><em><u>:</u></em></h2>

(x + 1) + (x + 2) + (x + 3) = 90

(28 + 1) + (28 + 2) + (28 + 3) = 90

28 + 1 + 28 + 2 + 28 + 3 = 90

90 = 90

8 0
4 years ago
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There are 45 cards in a card game deck. How many cards in 4 decks?
Alex_Xolod [135]

Answer:

180 cards

Step-by-step explanation:

45x 4= 180

6 0
2 years ago
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Mama L [17]
So she had one Board and she cut it in two parts. I part is 1 7/8 feet long and the other part is 3 1/2 feet long
6 0
3 years ago
Angela is knitting a scarf for her grandmother. every day she knits a little bit more. the finished scarf will be 36 in. long. A
tester [92]
6 1/2 times 5=32.5 36-32.5=3.5 Angela knitted 32.5 Angela mother knitted 3.5 Answer 3.5
4 0
4 years ago
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