3 years ago

When a number is subtracted from x the result is 6. What is that number?

Mathematics

1 answer:

just olya [345]3 years ago

3 0

I think the answer is 2/3

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Can someone please help mee.<br><br> use transformations to solve the equation.<br><br> 3 2/3x = 22

gizmo_the_mogwai [7]

1. Note that

$3\dfrac{2}{3}=\dfrac{3\cdot 3+2}{3}=\dfrac{9+2}{3}=\dfrac{11}{3}.$

2. Then the equation $3\dfrac{2}{3}x=22$ can be rewritten

$\dfrac{11}{3}x=22.$

3. Solve it:

$x=22:\dfrac{11}{3},\\ \\x=22\cdot \dfrac{3}{11}=2\cdot 3=6.$

Answer: x=6

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3 years ago

Someone please help :)<br> Both pls :)) also ill try Mark u brainliest <33 please answer both :3

Svetradugi [14.3K]

Step-by-step explanation:

5. 56÷4 = 14

6. (2 × 27) - 3 × 5 - 8

54 - 15 - 8

39 - 8 = 31 ans.

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5 0

2 years ago

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Please help me with these two problems, and I would also like a clear explanation. Thank you!

LiRa [457]

Step-by-step explanation:

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3 0

3 years ago

40 = 90^2/16 sinx cosx find x

lbvjy [14]

Answer:

Step-by-step explanation:

Given the expression

$40=\frac{90^2}{16} sinxcosx\\\\Cross\ multiplying;\\\\16*40 = 90^2 sinxcosx\\\\640 = 90^2 sinxcosx\\\\\frac{640}{8100} = sinxcosx\\ from\ trig\ identity, sin2x = 2sinxcosx\\sinxcosx = sin2x/2\\$

$Hence, \ \frac{640}{8100} = \frac{sin2x}{2} \\\\\frac{2*640}{8100} = sin2x\\ \\\frac{1280}{8100}=sin2x\\ \\0.158 = sin2x\\\\2x = sin^{-1} 0.158\\\\2x = 9.09\\x = 9.09/2\\x =4.545$

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3 years ago

2 is multipled by the difference of a number and 4.

Nikitich [7]

Answer:

Step-by-step explanation:

it is 4 because 4-2=2

2*2=4

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3 years ago

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