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gregori [183]
3 years ago
12

Please help this is due tomorrow!!

Mathematics
2 answers:
Paraphin [41]3 years ago
5 0

Step-by-step explanation:

angle 2 and angle 7 are alternate exterior angles and are equal.

all angles are 75

mel-nik [20]3 years ago
5 0

Answer:

1. Alternate exterior

2.

1=75

2=105

3=105

4=75

6=105

7=105

8=75

3. 164.4

4. 52 and 78

Step-by-step explanation:

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Write the equation x² + 6x + y² – 8y = 19 in standard form.
kirza4 [7]

Answer:

Formula used :

  • <u>x²+2xy+y²</u><u> </u><u>=</u><u> </u><u>(x+y)²</u>
  • <u>x²-2xy+y²</u><u> </u><u>=</u><u> </u><u>(x-y)²</u>

→{x}^{2}  + 6x +  {y}^{2}  - 8y = 19 \\  ({x}^{2}  + 2.3.x +  {3}^{2} ) +({y}^{2}  - 2.4.y +  {4}^{2} ) = 19 +  {3}^{2}  +  {4}^{2}  \\  {(x + 3)}^{2}  +  {(y - 4)}^{2}  = 19 + 9 + 16 \\  \boxed{ {(x + 3)}^{2}  +  {(y - 4)}^{2}  = 44}✓

  • <u>3) (x+3)²+(y-4)²=44</u> is the right answer.
8 0
2 years ago
Read 2 more answers
Solving Exponential Equations (lacking a common base)<br> 4^x-5=8
avanturin [10]

Answer:

x= 6 1/2 or 6.5

Step-by-step explanation:

4^x-5 =8

2^2(x-5) =2^3

since the base is equal, the powers are equal

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2x = 3 + 10

2x = 13

2x/2 = 13/2

x = 6 1/2 or 6.5

8 0
3 years ago
Read 2 more answers
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