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Aliun [14]
4 years ago
12

I don't know where to start

Mathematics
1 answer:
Citrus2011 [14]4 years ago
7 0
The above triangle has a right angle and a 45 degree angle. So the last angle is 45. Since both sides are the same angles, both have same length
x = 14√2
use pythagorean theorem. the middle line is 28.
use sine rule
y/sin30 = 28/sin 90
and
z/sin60 = 28/sin90
y = 14
z = 14√3
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3 years ago
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a_sh-v [17]
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5 0
3 years ago
What is the answer to <br> 1/4 - (-3/4)
Nookie1986 [14]

Answer:

1

Step-by-step explanation:

1/4+3/4 this makes a plus because a -&- makes +

1+3/4

4/4

1

4 0
3 years ago
Read 2 more answers
If DF=78, DE=5x-9, and EF=2x+10, find DE.
Kazeer [188]

Given that E is a point between Point D and F, the numerical value of segment DE is 46.

<h3>What is the numerical value of DE?</h3>

Given the data in the question;

  • E is a point between point D and F.
  • Segment DF = 78
  • Segment DE = 5x - 9
  • Segment EF = 2x + 10
  • Numerical value of DE = ?

Since E is a point between point D and F.

Segment DF = Segment DE + Segment EF

78 = 5x - 9 + 2x + 10

78 = 7x + 1

7x = 78 - 1

7x = 77

x = 77/7

x = 11

Hence,

Segment DE = 5x - 9

Segment DE = 5(11) - 9

Segment DE = 55 - 9

Segment DE = 46

Given that E is a point between Point D and F, the numerical value of segment DE is 46.

Learn more about equations here: brainly.com/question/14686792

#SPJ1

3 0
1 year ago
Please Help! Need by today!
ra1l [238]

Answer:

sorry but no one answered it sorry good lucked

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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