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krok68 [10]
3 years ago
14

Anyone know how to do this? 15 points.

Mathematics
2 answers:
telo118 [61]3 years ago
8 0

It's angles 9 and 10.

Supplementary angles are two angles that add up to 180°.

So, supplementary angles both "stick" off of a straight line. (Because a straight line is 180°).

soldier1979 [14.2K]3 years ago
5 0

Answer:

<9 and <10 i did the test

Step-by-step explanation:

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How do I find the endpoint of a segment when given the first endpoint (-6, 5) and the midpoint(-1.5, 1)?​
Anika [276]

Answer:

(3, -3)

Step-by-step explanation:

Use the midpoint formula.

x = (x₁ + x₂) / 2

-1.5 = (-6 + x) / 2

-3 = -6 + x

x = 3

y = (y₁ + y₂) / 2

1 = (5 + y) / 2

2 = 5 + y

y = -3

The other endpoint is (3, -3).

Graph: desmos.com/calculator/aze920ns2h

3 0
3 years ago
For her new MP3 player, Alicia wants a case that is 3 2/5 in. long. The online store shows case sizes in decimal measurements. W
Ivan

Answer:

C.) 3.4 in.

Step-by-step explanation:

Because I did the test and got it right.

5 0
3 years ago
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we can ise the distance formula or pythagorean theorem to find the length of a segment? true or false
irina [24]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Find the value of x. Leave your answer in simplest radical form. The chord measures 14, the diameter measures 18. Hint: use pyth
ehidna [41]

Answer:

x = 4√2

Step-by-step explanation:

<u><em>Find the value of x. Leave your answer in simplest radical form. The chord measures 14, the diameter measures 18. Hint: use pythagorean theorem</em></u>

To solve, we will follow the steps below:

using Pythagoras theorem

opposite² +  adjacent² = hypotenuse²

14² + y² = 18²

196 + y² = 324

subtract 196 from both-side of the equation

196 -196 + y² = 324-196

y² =128

Take the square root of both-side

√y² = √128

y =√128

y = √64×2

y =√64×√2

y = 8√2

x = half of y

x = y/2

x = 8√2  ÷  2

x = 4√2

8 0
3 years ago
X + 2y = 5<br> y = 6x + 3
ki77a [65]

Answer:

x = −1/13 and y = 33/13 or 2 7/13

Step-by-step explanation:

x+2y=5

x+2(6x+3)=5

x+12x+6=5

13x+6=5

-6        -6

13x= -1

/13     /13

<u>x= -1/13</u>

y=6x+3

y=6(-1/13)+3

y= 33/13

y= 2 7/13

5 0
3 years ago
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