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Rina8888 [55]
3 years ago
13

I’m so confused. Can someone please help?

Mathematics
1 answer:
matrenka [14]3 years ago
3 0

i can't help you really, but i use google so yeah

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HEY YOU!! PLEASE I NEED HELPPP<br><br> find angle BAC and angle FAB
serious [3.7K]

Answer:

m∠BAC = 105°

m∠FAB = 75°

Step-by-step explanation:

By using the property of an exterior angle of a triangle,

Measure of an exterior angle is equal to the sum of opposite two angles of a triangle.

From the triangle given in the picture,

m∠ABC + m∠BCA + m∠CAB = 180°

(13x - 3)° = (3x + 2)° + 55°

13x - 3 = 3x + 57

13x - 3x = 57 + 3

10x = 60

x = 6

m∠FAB = (13x - 3)° = 75°

m∠ABC = (3x + 2)° = 20°

Since, ∠BAC and ∠FAB are the linear pair of angles,

m∠BAC + m∠FAB = 180°

m∠BAC + 75° = 180°

m∠BAC = 180° - 75° = 105°

8 0
3 years ago
Show that the following parallelogram is a rhombus.
Alex17521 [72]

Answer:

They are equal

Step-by-step explanation:

All the sides are equal, because you use the pythagoreon theorem to find out that all the sides are equal.

8 0
3 years ago
5 divided by a =60. Solve a
Mandarinka [93]

Answer:

a = 300

Step-by-step explanation:

so 5/a=60

multiply 60 by 5

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3 years ago
What is x if 3x-2=x-3​
blsea [12.9K]

Answer:

x=-1/2

Step-by-step explanation:

add 2 to both sides

3x=x-1

subtract x from both sides

2x=-1

divide by 2

x=-1/2

7 0
3 years ago
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What are the solutions to the equation?<br><br> 3x^2+6x=45<br><br> Enter your answers in the boxes.
Gnoma [55]

x= 3,-5

hope this helps

5 0
4 years ago
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