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deff fn [24]
3 years ago
5

Anybody can help with this question?

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
8 0
Hope this helps! Arc CE should be 80.

True [87]3 years ago
6 0

Answer:

80

Step-by-step explanation:

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Need help with geo please 20 points
Serjik [45]

Answer:

B.

Step-by-step explanation:

Option B is correct - angle ABE is less than 90 degrees, therefore it is acute, and angle DBC is greater than 90 degrees, therefore it is obtuse.

6 0
3 years ago
HELP I DONT GET IT!!!For the system below solve using linear combinations method 2a+3b=1 and -2a+b=11
Maksim231197 [3]
Linear combination method just means to add the equations so that one variable with cancel. In this case the a values are already set up so that they will cancel.
2a + 3b = 1
-2a + b = 11
4b = 12
b = 3

now put 3 back into either of the original equations and solve for a.
2a + 3(3) = 1
2a + 9 = 1
2a = -8
a = -4
(-4,3)
3 0
3 years ago
Read 2 more answers
PLEASE HELP IM STRUGGLING!!!​
Mnenie [13.5K]

Answer:

  • 10. 0.99
  • 11. -60
  • 12. 5.5

Step-by-step explanation:

<u>Use the slope formula:</u>

  • m = (y2 - y1)/(x2 - x1)

10.

  • m = (6.24 - 3.27)/(5 - 2) = 2.97/3 = 0.99

11.

  • m = (240 - 360)/(3 - 1) = -120/2 = -60

12.

  • m = (8.84 - 6.09)/(7 - 2) = 2.75/5 = 5.5
6 0
3 years ago
2x^2-3x-9 please help
Romashka-Z-Leto [24]
Im assuming you mean 2x^2-3x-9=0 ?
If so, you have to factorise the equation
(2x-3) (x+3) = 0

2x - 3 = 0
2x = 3
x = 1.5

x + 3 = 0
x = -3

x is either 1.5 or -3

8 0
3 years ago
Read 2 more answers
Find the missing side of each triangle. leave your answers in simplest radical form
dedylja [7]
X^2 = 4^2 - (2√3)^2
x^2 = 16 - 12
x^2 = 4
x = 2

answer
x = 2 cm
7 0
3 years ago
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