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iragen [17]
3 years ago
5

Thank you lol i’m not smart sorry

Mathematics
1 answer:
arsen [322]3 years ago
7 0

Answer: 65

Step-by-step explanation: Sum of angles in triangles is always 180, we know one angle is 25 and another is 90, so 25 + 90 = 115, then 180 - 115 = 65.

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leonid [27]

Answer:

nth will be the any multiple of 3

4 0
3 years ago
Find the center and radius of the circle x^2+y^2-10x-12y+45=0.
BARSIC [14]

Answer:

The center is (5, -6) with a radius of r

Step-by-step explanation:

First put the equation in Standard Form for a circle:

(x + a)² + (y + b)² = r²

Now, Group the term

x² + y² - 10x - 12y + 45 = 0

x² - 10x + y² - 12y = - 45

Then, The x and y terms must be perfect squares

x² - 10x + 25 + y² - 12y + 36 = - 45 + 25 + 36

add constant both sides we get,

x² - 10x + 25 + y² - 12y + 36 = 16

Now, Simplify

(x - 5)² + (y + 6)² = 16

√(x - 5)² + (y + 6)² = √16

<em>x - 5 + y + 6 = 4</em>

<em>Here</em><em>,</em><em> </em><em> (</em><em>a,</em><em>b</em><em>) = (5, -6) and </em><em>r²</em><em> </em><em>= 16, with r = 4</em>

Thus, The center is (5, -6) with a radius of r

<u>-TheUnknownScientist</u><u> 72</u>

6 0
3 years ago
Frieda paid $132 for groceries for her family. This was 1 1/8 as much as she paid for the previous time she shopped. How much di
schepotkina [342]

Answer:

$117.33

Step-by-step explanation:

1 1/8 = 1 + 1/8 = 8/8 + 1/8 = 9/8

She paid 9/8 what she paid the last time.

Let the amount she paid last time equal x.

$132 is 9/8 of x.

9/8 x = 132

8/9 * 9/8 x = 132 * 8/9

x = 117.33

She paid $117.33

7 0
3 years ago
The students at George's school recently raised money to help the victims of the hurricane in Puerto Rico. George's sixth grade
Nikitich [7]

Answer:

the answer would be 1060

Step-by-step explanation:

all you have to do is multiply 260 by four and then you have your answer

5 0
3 years ago
What is the slope of (6, 5) and (8, 8).
Oduvanchick [21]

Answer:

\frac{3}{2}

Step-by-step explanation:

5 0
3 years ago
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