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Vedmedyk [2.9K]
3 years ago
7

Can you help me please.

Mathematics
2 answers:
Olegator [25]3 years ago
6 0
The answer would be 69! One easy way to figure this out would be to figure out the difference between each number which would be 3, and subtract that from the starting number which would be 12. 12-3=9. Now turn it into an equation, since the pattern is going by 3’s we will multiply 3 20 times. 3 x 20=60 and then add 9 which is the difference between 12 and 3. 3x20+9=69, or you can do it the way i have attached.

laila [671]3 years ago
5 0

Answer:

69

Step-by-step explanation:

I just kept going up by 3 until the 20th term

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3 years ago
The width of a rectangle is 7x - 6 feet and the length is 3x + 7 feet. Find the perimeter of the rectangle.
aliina [53]

Answer:

P= 20x+2 ft

Step-by-step explanation:

________

I                I

I                I       3x + 7ft

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8 0
2 years ago
Solve each system using elimination. 3x+3y=27 x-3y=-11
Natalija [7]

Answer:

x=4

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Step-by-step explanation:

3x +3y = 27

x - 3y = -11 (add these up so 3y will be eliminated and you'll have x only)

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now let's eliminate x (you can put 4 instead of x though)

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8 0
3 years ago
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Answer: 24.24 miles

Step-by-step explanation:

We should note that 1000 metres = 1 kilometer.

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= 39 × 1000

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Since 1 meter = 1.094 yards

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8 0
2 years ago
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