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Sergio [31]
2 years ago
7

Explain why two obtuse angles cannot be supplementary to another.

Mathematics
2 answers:
igor_vitrenko [27]2 years ago
6 0
A obtuse have to be 180 but 2 obtuses is impossible 
Nuetrik [128]2 years ago
5 0
It's impossible. Supplements need to add up to 180 degrees, and in order to be obtuse, the angles would both need to be larger than 90 degrees.
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Sat question: a circle in the xy-plane has a diameter with endpoints (-1,-3) and (7,3). if the point (0,b) lies on the circle an
labwork [276]

1) use the distance formula to find that the radius (r) of the circle = 5

2) use the midpoint formula to find that the center of the circle (h,k) = (3, 0)

3) Now use the formula of a circle and input the (h,k) and r to create:

(x - 3)² + (y - 0)² = 5² → (x - 3)² + y² = 25

4) input the "x" value given in the question (x = 0) and solve for "y":

(0 - 3)² + y² = 25 → 9 + y² = 25 → y² = 16 → y = +/- 4

Since the question states that "b" must be positive, you can disregard the -4.

Answer: b = 4

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3 years ago
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Vera_Pavlovna [14]
This is what I got pls mark me brainlest

4 0
2 years ago
Amuseumcharges forgeneraladmission and exhibitions. Admission and 3 exhibitionscosts $45. Admission and 5 exhibitionscosts $65.
leonid [27]

Answer:

The price of the admission is 15.

Step-by-step explanation:

From the information given, you can write the following equations:

a+3e=45 (1)

a+5e=65 (2), where:

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e is the exhibition cost

First, you can solve for a in (1):

a=45-3e (3)

Second, you can replace (3) in (2):

45-3e+5e=65

45+2e=65

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Finally, you can replace the value of e in (3):

a=45-3e

a=45-3(10)

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a=15

According to this, the price of the admission is 15.

3 0
3 years ago
I need help solving for y and ploting it in the graph
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2 years ago
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76 + 4= add the ones and the tens. Do you regroup? yes or no
nikklg [1K]
76 + 4 is 80... don't know what you're asking
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