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denpristay [2]
3 years ago
11

Pls help I’ll brainlest ASAP I’m failing

Mathematics
1 answer:
Leokris [45]3 years ago
8 0

Answer:

x/6.5 = 1.60 | The amount it decreased is $10.40

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This was given to me during a summative test and the teacher didn't bother giving me the correction. I just cannot figure it out
Dmitry [639]
  • Base be y

ATQ

\\ \sf\longmapsto xy=6050\dots 1

\\ \sf\longmapsto 2(x+y)=220\implies x+y=110\dots 2

Now

\\ \sf\longmapsto (x+y)^2=x^2+y^2+2xy

\\ \sf\longmapsto 110^2-2(6050)=x^2+y^2

\\ \sf\longmapsto 12100-12100=x^2+y^2

\\ \sf\longmapsto x^2+y^2=0\dots(3)

From all equations

\\ \sf\longmapsto (x-y)^2=x^2+y^2-2xy

\\ \sf\longmapsto (x-y)^2=0-2(6050)

\\ \sf\longmapsto (x-y)^2=-12100

\\ \sf\longmapsto (x-y)=110\dots(4)

Now

Adding 3 and 4

\\ \sf\longmapsto 2x=220

\\ \sf\longmapsto x=110m

One side won't be covered hence

  • y=2(110)=220m
7 0
3 years ago
Read 2 more answers
Pythagorean Theorem
pshichka [43]

Answer:

1) 6^2 + 8^2 = x^2

36 + 64 = x^2

100 = x^2

x = 10 feet

2) 15^2 + 8^2 = x^2

225 + 64 = x^2

x ^ 2 = 289

guy rope = 17 feet


Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
There are two balance beams at the gym.one is 15 feet long ,theother is 162 inches long.which beam is longer?
Oduvanchick [21]
12 inches = 1 foot

Let x=length of 2nd balance beam in feet

by ratio and proportion

1/12 = x/162

multiply noth sides by 162 to isolate x

(1/12)(162) = (x/162)(162)

162/12 = x

13.5 = x

Source -->https://socratic.org/questions/at-the-gym-one-balance-beam-is-15-feet-long-while-the-other-is-162-in...<--

can you help me? brainly.com/question/3131429 
7 0
3 years ago
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Calcuate the distance Tom rides his bike if he rides 5\6 mile of each 5 days
defon

The multi-stage fitness test (MSFT), also known as the beep test, bleep test, PACER (Progressive Aerobic Cardiovascular Endurance Run), Pime, they are cautioned. A second caution ends the test for that runner. The number of shuttles completed successfully is recorded as the score of that runner. The score is recorded in Level.Shuttles format (e.g. 9.5).

8 0
3 years ago
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To find the quotient 5/7 divided by 1/3 multiply..
cestrela7 [59]

Answer:

Multiply 5/7 by 3

Step-by-step explanation:

To find the quotient (division) multiply by the reciprocal. The reciprocal of 1/3 is 3.

8 0
3 years ago
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