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tatuchka [14]
3 years ago
14

If one is subtracted from seven times a certain number,

Mathematics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

The number is 8

Step-by-step explanation:

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Find the measures of EAF DAE and CAD
sdas [7]
You have to build an equation to find the answer,

angles in a straight line add upto 180° 
so your equation would be,

12x+30°=180°
      -30    -30
=12x=150°
   ÷12  ÷12
=x=12.5°

now find the measures of the angles by using 12.5 as x.

angle EAF= 2x
                 =2×12.5
                 =25° degrees

angle DAE= 4x
                 =4×12.5
                 =50°degrees

angle CAD=6x
                 =6×12.5
                 =75°degrees

check,
30+25+50+75=180°degrees

hope this helps.......
7 0
3 years ago
A table costs Rs 720 to make. He sells it for Rs 920. What percentage of profit did he earn?
jenyasd209 [6]

Answer:

27 7/9%

Step-by-step explanation:

Take the selling price and subtract the cost

920 -720 = 200

Divide it by the cost

200/720

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Change to percent form

27.777777%

27 7/9%

3 0
3 years ago
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Please show all of the expressions.
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What is 0.95 rounded to the nearest tenth?
katen-ka-za [31]
The answer would be 1.0.
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Which table represents a function?
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The first table represents a function...
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