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Komok [63]
2 years ago
11

Please help me!!!!!!!!

Mathematics
2 answers:
sergejj [24]2 years ago
6 0

Answer:

Angle 1: 105

Angle 2: 75

Step-by-step explanation:

You know 2 is 75 because both lines are parallel.

To get 1 you subtract 75 from 180.

olya-2409 [2.1K]2 years ago
5 0

Answer:

m \angle 1 = 105°\\m \angle 2 = 75°

Step-by-step explanation:

\huge \purple{ \boxed{m\angle \: 2 = 75 \degree}} \\ ..(corresponding \:  \angle  s) \\  m\angle \: 1 = 180 \degree -  m\angle \: 2 \\m \angle \: 1 = 180 \degree  - 75 \degree \\  \huge \red{ \boxed{m\angle \: 1 =105 \degree}}

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Sever21 [200]

Answer:

\{x=\frac{19-\sqrt{409} }{2}\ , \  x=\frac{19+\sqrt{409} }{2}\}

Step-by-step explanation:

x² = 19x + 12

⇔ x² - 19x - 12 = 0

Calculating the discriminant :

b² - 4ac = (-19)² - 4×1×(-12) = 409

The discriminant is positive ,then the equation has two solutions.

x=\frac{19-\sqrt{409} }{2} \ \ or\ \ x=\frac{19+\sqrt{409} }{2}

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2 years ago
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5 0
2 years ago
2. A supermarket display consists of boxes of cereal. The bottom row has 27 boxes. Each row has four fewer boxes than the row be
tresset_1 [31]

Answer:

Step-by-step explanation:

) Nth term = F + (N - 1) x D, where F=First term, N=Number of terms, D=Common difference

6th row = 23 + (6 - 1) x -3

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            = 23 + (-15)

            = 8 - number of boxes in the top row.

 

b) Sum = N/2[2F + (N - 1) x D]

            = 6/2[2*23 + (6 - 1) x -3]

             = 3  [46  +    (5) x -3 ]

             = 3  [46  +      -15 ]

             = 3  [ 31 ]

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4 0
3 years ago
I need help with Algebra 2. Thank you! :)
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Answer:

B: 6.0

Step-by-step explanation:

-3t^2+9t+54 = 0

This is the equation that needs to be solved

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The factors of 18 are: (1 18) (2 9) (3 6)

3 - 6 = -3 and 3 x -6 = -18

So: (t + 3) (t - 6) = 0

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7 0
2 years ago
What is 5 1/4 divided by 5/8?
WITCHER [35]
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3 years ago
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