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fgiga [73]
3 years ago
9

PLEEAASE HELP MEEEEEE

Mathematics
1 answer:
Gre4nikov [31]3 years ago
8 0

\mathsf{1.\; \frac{x - 6}{2} = x + 13}

⇒ x - 6 = 2x + 26

⇒ x = -32

⇒ This Equation has One Solution

So, It matches with A in Column B

2. 2 + 6x - 7 = 8 + 2x - 10 + 4x

⇒ 6x - 5 = 6x - 2

As, They are Equations of Parallel Lines. They never meet each other.

⇒ This Equation has No Solution

⇒ So, It matches with B in Column B

3. 15x + 25 = 15x + 10

As, They are Equations of Parallel Lines. They never meet each other.

⇒ This Equation has No Solution

⇒ So, It matches with B in Column B

4. 16 + 8x = 4(2x + 4)

⇒ 16 + 8x = 16 + 8x

As, Both Equations are Same. They Represent the Same Line.

⇒ This Equation has Infinite Number of Solutions

⇒ So, It matches with C in Column B

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Find sin(a+B)
diamong [38]

Answer:

Cos A=5/13

we have

Cos² A=1-Sin ²A

25/169=1-Sin²A

sin²A=1-25/169

sin²A=144/169

Sin A=\sqrt{144/169}=12/13

again

Tan B=4/3

P/b=4/3

p=4

b=3

h=\sqrt{3²+4²}=5

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

<u>S</u><u>i</u><u>n</u><u>(</u><u>A</u><u>+</u><u>B</u><u>)</u><u>:</u><u>s</u><u>i</u><u>n</u><u>A</u><u>c</u><u>o</u><u>s</u><u>B</u><u>+</u><u>C</u><u>o</u><u>s</u><u>A</u><u>s</u><u>i</u><u>n</u><u>B</u>

<u>n</u><u>o</u><u>w</u><u> </u>

<u>substitute</u><u> </u><u>value</u>

<u>Sin(A+B):</u>12/13*3/5+5/13*(-4/5)=36/65-4/13

<u>=</u><u>1</u><u>6</u><u>/</u><u>6</u><u>5</u><u> </u><u>i</u><u>s</u><u> </u><u>a</u><u> </u><u>required</u><u> </u><u>answer</u>

6 0
3 years ago
What are the solutions to (x+3)(x-4)=0?
marishachu [46]

Answer:

-3, 4

Step-by-step explanation:

(x+3)(x-4)=0

Therefore, x + 3 = 0 and x - 4 = 0

so, x = -3 and x = 4

6 0
4 years ago
Check your answer for 3(p+2)=18
tiny-mole [99]

3(p + 2) = 18

3p + 6 = 18

3p = 12

p = 4

Check:

3(p + 2) = 18

3(4 + 2) = 18

3(6) = 18

18 = 18

This proves that p = 4.

⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

7 0
3 years ago
Read 2 more answers
What is the answer to 2 2/10 - 4/10
telo118 [61]

Answer:

1 4/5 (Proper Fraction)

1 8/10 (Proper Fraction, but Not simplified)

18/10 (Improper Fraction)

Step-by-step explanation:

change to improper fraction

22/10 - 4/10 = 18/10

Simplify

18/10 = 1 8/10

Simplify again

1 4/5

8 0
3 years ago
Read 2 more answers
126x(27238)+362x\9876(343+521-6+963)=
Alexandra [31]
126x(27238)+362x\9876(343+521-6+963)
=3431988+362x9876(1821)
=3431988+6510278952
=6513710940

hopefully I get it right lol...that's the largest out come I've ever seen..
3 0
3 years ago
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