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Monica [59]
3 years ago
13

Solve the equation. |x + 5| = 9 a. |-14,4| b. |-4,14| c. |4,14| d. |-14,4|

Mathematics
2 answers:
Grace [21]3 years ago
8 0

Answer:

x = 4            x = -14

Step-by-step explanation:

|x + 5| = 9

The absolute value equation has a positive and negative solution

x+5 = 9   x+5 = -9

Subtract 5 from each side

x+5-5 = 9-5   x+5-5 = -9-5

x = 4            x = -14

lilavasa [31]3 years ago
4 0
The answer is c 9-5 and 9+5
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I need major help please and thank you
Thepotemich [5.8K]

the answer is -5/2x+1 thats what i see

7 0
3 years ago
Find the value of x. Give reasons to justify your solution-
weqwewe [10]

Answer:

x =27

Step-by-step explanation:

from Z angls rule  the agle (BDE) =72

and total angl on D =180

so, 2x +2x+72=180

4x = 180 -72

4x = 108 (divied both sides by 4)

x= 27

6 0
3 years ago
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Please help me!!!<br> asap please please please
mamaluj [8]

Answer:

I'm pretty sure its the 3rd answer

8 0
3 years ago
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If sin42 degrees = 2/3 then cos48 degrees = what? <br> If tan20.5= 3/8, the tan69.5= what?
Anna11 [10]

Big ifs, question writers. These are of course approximations.

The "co" in cosine comes from complementary angles. It means since

42^\circ + 48 ^\circ = 90^\circ

\sin 42^\circ = \cos 48^\circ

Answer: cos 48° = 2/3

Similarly,

20.5^\circ +69.5^\circ = 90^\circ

\tan 69.5^\circ = \cot 20.5^\circ = \dfrac{1}{\tan 20.5^\circ} = \dfrac 8 3

Answer: tan 69.5° = 8/3

5 0
3 years ago
Is (1, 6) a solution to this system of equations?<br> 5x + 2y = 17<br> x + 3y = 19<br> yes<br> no
Ulleksa [173]
Answer:
Yes

Explanation:
5x + 2y = 17

We are given the values (1, 6)

Substitute then into the equation

(I put a question mark to basically ask the question “is 5(1) + 2(6) equal to 17?”)

5(1) + 2(6) = 17?
5 + 12 = 17?
Yes!

Hope this helped and made sense :)
5 0
3 years ago
Read 2 more answers
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