3 years ago

The perimeter of a rectangular field is 380 yards. The length is 70 yards. Find the dimensions.

Mathematics

1 answer:

lawyer [7]3 years ago

4 0

380-140 is 240 and 240 divided by 2 is 120 and that's the width, 120

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One month, ruby worked 6 more hours than Issac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 126 hour

garik1379 [7]

Ruby's hours will represent x+6
Svetlana's hours will represent 4(x+6)
Issac will represent x.

The equation would read:
x+(x+6)+(4(x+6))=126
x+x+6+4x+24=126
6x+30=126
Subtract 30 from both sides.
6x=96
Divide 6 on both sides to get x by itself.
x=16

So:
Issac worked 16 hours
Ruby worked 22 hours
Svetlana worked 88 hours.

To check your answer, plug in the values:
16+22+88=126
126=126

Hope this helps.

8 0

3 years ago

Rewrite the function by completing the square F(x)=2x^2+3x-2

Lady bird [3.3K]

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6 0

3 years ago

Read 2 more answers

I need this problem solved real quick

PIT_PIT [208]

Let's take this problem step-by-step:

The ;unlabeled angle' adjacent to the 'outside angle of measure 78°'