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Stolb23 [73]
3 years ago
11

What is an obtuse angle

Mathematics
2 answers:
Georgia [21]3 years ago
4 0
An obtuse angle is an angle between 90° and 180°.
hope this helps.........
Klio2033 [76]3 years ago
3 0
An obtuse angle is an angle between 90*-180*
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Solve the equation 9x+16=5 for y
dezoksy [38]

Answer:

-11/9 or -1.2222222222

Step-by-step explanation:

9x+16=  5

    -16 -16

  9x= -11

  9x ÷9 and -11÷9

x= -11/9 or -1.2222222222

5 0
3 years ago
With counting how much do you have of squares?
wariber [46]

Answer:

32 × 3

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2 years ago
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The steps for determining the center and radius of a circle using the completing the square method are shown below: Step 1 [orig
Alika [10]

We are given original equation: x^2 -10x + y^2 + 12y = 20

We need to find the enter and radius of a circle using the completing the square method.

The steps are as following :

Step 1 [original equation]: x^2 − 10x + y^2 + 12y = 20 .

Step 2 [group like terms]: (x^2 − 10x) + (y^2 + 12y) = 20

Step 3 [complete the quadratics]: (x^2 − 10x + 25) + (y^2 + 12y + 36) = 20 + (25 + 36).

Step 4 [simplify the equation]: (x^2 − 10x + 25) + (y^2 + 12y + 36) = 64.

Step 5 [factor each quadratic]: (x − 5)^2 + (y + 6)^2 = 8^2

Step 6 [identify the center and radius]: Center = (5, −6) Radius = 8.

<h3>Step 6 is incorrect.</h3><h3>The center should be (5,-6).</h3><h3> Replace − 5 with + 5 and replace + 6 with − 6.</h3>
7 0
3 years ago
Please help with this math question
nika2105 [10]
263.27 m^2

rectangle : 15 x 10 = 150 m^2
the half circle at the top has a diameter of 6m. therefore, it’s radius is 3m. if it is cut in half, the part removed from the triangle height is 3m. therefore, the height of the triangle is 35 -15 = 20; 20 - 3 = 17. the height of the triangle is 17. the triangle area formula is a = 1/2(bh).
a = 1/2 (10)(17)
a = 1/2 (170)
a = 85 m^2
the circle would be a = πr^2 but divided by 2 bc it’s a half circle
a = π(3)^2
a = π9
a = 28.27 m^2
150 + 85 + 28.27 = 263.27 m^2
3 0
3 years ago
A bag of marbles contains 4 red
marissa [1.9K]
The answer is 7/8!!!!!!
6 0
3 years ago
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