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n200080 [17]
3 years ago
10

Help help help help help please

Mathematics
1 answer:
tatyana61 [14]3 years ago
8 0
The incenter of a triangle is where the angle bisectors of the triangle meet. That means angle A is 64, angle B is 74, and using the triangle angle sum, angle C is 42 degrees. Divide that in half to get the measure of DCA, 21 degrees.
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If y=2-3x/x+3 express x in terms of y<br> [20pts]
ollegr [7]

Answer:

  a. x = (2 -3y)/(y+3)

  b. x = -4/5

Step-by-step explanation:

<h3>a.</h3>

Clear the fraction, collect x terms, divide by the coefficient of x.

  y=\dfrac{2-3x}{x+3}\\\\y(x+3)=2-3x\\\\3x+xy=2-3y\qquad\text{add $3x-3y$}\\\\x(y+3)=2-3y\qquad\text{factor out x}\\\\\boxed{x=\dfrac{2-3y}{y+3}}\qquad\text{divide by the coefficient of x}

__

<h3>b.</h3>

Put 2 where y is and do the arithmetic.

  x = (2 -3(2))/(2 +3) = (2 -6)/5

  x = -4/5

6 0
3 years ago
Find the product. 2 1/4⋅1 2/3 Write the answer as a mixed number.
Sati [7]
The product is 3 and 3 4ths (3 3/4)
7 0
3 years ago
Read 2 more answers
Remy was on vacation in New France, Canada. He went to the Ratatouille restaurant and had an excellent dinner. How much did
SashulF [63]

Answer:

See both answers in the explanation

Step-by-step explanation:

Given data

Cost of dinner= $32

TIp=18%

Let us find the amount of the tip

=18/100*32

=0.18*32

=$5.76

Hence the total amount paid is

=5.76+32

=$37.76

The Tip is

=$5.76

4 0
3 years ago
Yasmine has a dinner party for her grandparents’ 50th anniversary. The total bill comes to $389.45. If she tips the waiter 18%,
Debora [2.8K]

Answer:

$459.551

Step-by-step explanation:

18% of 389.45 is 70.101 (the tip)

389.45+70.101=459.551 (the total)

4 0
3 years ago
Pls help me I need this fast
Evgen [1.6K]

Answer:

If we're measuring in the green the <u>25 degrees</u>

Step-by-step explanation:

80 degrees goes to 90 degrees and then to 100 degrees then to 105 degrees. So 80 to 105.

4 0
2 years ago
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