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grin007 [14]
3 years ago
7

What is the value of x in the diagram?

Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0

Answer:

(x+55)°=(2x-15)°

x-2x=-15-55

-x=-75

x=75

..............

Mamont248 [21]3 years ago
4 0

Answer:

x+55=2x-15 [being corresponding angle

55-15=2x-x

40=x

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7 video games were in each case.

Step-by-step explanation:

-So, Ricardo has 2 cases of video games with the same amount of games per case.

-He gives 4 games to his brother and is left off with 10 games.

Add 10+4 to get the total amount of games.

Since there are 2 cases, divide the total amount of games (14) by the total amount of video game cases.

This gets us 7, which is the starting amount of video games in each case.

8 0
2 years ago
3. The cost of a taxi ride is the sum of a fixed cost of $2,50 for the first kilometer, plus
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Answer:

y=2.50+175*(x-1)

$4727.50

Step-by-step explanation:

y=2.50+175*(x-1)

The first km costs 2.50 which is why you add it. You do x-1 because the 175 is charged for each additional km. So, if you traveled one km it would cost 2.50.

y=2.5+175*(28-1)

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2 years ago
What is the measure of angle DOC, given that AB is congruent to DC
pickupchik [31]

Answer:

D. 65 degrees

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5 0
3 years ago
Write an equation of the circle with center (5, -7) and radius 9.
vagabundo [1.1K]

Answer:

(x - 5)² + (y + 7)² = 81

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here (h, k) = (5, - 7) and r = 9, thus

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KonstantinChe [14]

Answer:

0.0656

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For each message, we have these following probabilities:

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The first four all spam, each with a 90% probability.

The fifth legitimate, with a 10% probability.

P = (0.9)^{4} \times 0.1 = 0.0656

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3 years ago
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