All Answers 355994 Answers

7b - (3a - 8b)

3a = X 8b = Y 

X - Y = Z 

7b = A

Z - A = B 

hope this helps

What's the question?

this looks like a shape problem, i dont think i can help unless you post the image, sorry

4c=3

divide both sides by4

c=3/4

ffind a common denominator. The best one in this case would be 18, so it is

7 4/18 - 3 15/18

then to make it easier you can just make it two fractions like

130/18 - 69/18

130-69=61 so the answer is 61/18

this can be transferred back into mixed number form like this

3 7/18

ohh i see thank you

\(12+27/4 \rightarrow 12 + 6\frac{3}{4} \rightarrow 18\frac{3}{4} \)

h = (SA - 2pi*r^2)/(2pi*r)

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Brackets take priority over exponents so (-3)^2 → (-3)*(-3) → 9

Exponents take priority over negation so -3^2 → -(3^2) → -9

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Identify where the singularities are (i.e. the places where the denominator goes to zero.

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a     317.3 - 309   =  8.3 million = 8.3 x10⁶

b   17.3 trillion - 13.561623 trillion = 3.738377 trillion =  3.738377 x 10¹² = 3.7 x 10¹²

c   Increased

d  By  $54522.53  -  $43888.75  = $10, 633.78

What is 7 9/46+ (-23 3/23)?

\(7\frac{9}{46}-23\frac{3}{23} \) = \(\frac{7\times46+ 9- 23\times 46-3\times 2}{46} \) = \(-\frac{733}{46} \)  = \(-15\frac{43}{46} \)

Thank you Guest for the correct answer,

Sorry for my mistake.

asinus :- )  !

x+y=173  →  y = 173 - x

Substituting this into the second equarion, we have

5x + 3 [ 173 - x ]  = 703

5x + 519 - 3x  = 703   simlify and subtract 519 from both sides

2x = 184     divide both sides by 2

x = 92

And y = 173 - 92 =  81

Solve the following system:
{x+y = 173 | (equation 1)
5 x+3 y = 703 | (equation 2)
Swap equation 1 with equation 2:
{5 x+3 y = 703 | (equation 1)
x+y = 173 | (equation 2)
Subtract 1/5 × (equation 1) from equation 2:
{5 x+3 y = 703 | (equation 1)
0 x+(2 y)/5 = 162/5 | (equation 2)
Multiply equation 2 by 5/2:
{5 x+3 y = 703 | (equation 1)
0 x+y = 81 | (equation 2)
Subtract 3 × (equation 2) from equation 1:
{5 x+0 y = 460 | (equation 1)
0 x+y = 81 | (equation 2)
Divide equation 1 by 5:
{x+0 y = 92 | (equation 1)
0 x+y = 81 | (equation 2)
Collect results:
Answer: |x = 92        and         y = 81

Здесь по Русски не понимают.

THE CORRECT ANSWER IS: -733/46 = -15 43/46

What is 7 9/46+ (-23 3/23)?

\(\frac{79}{46}+23\frac{3}{23} \) = \(\frac{79+ 23\times 46+3\times 2}{46} \) = \(\frac{1143}{46} \) = \(24\frac{39}{46} \) 

Simplify the following:
7+9/46-(23+3/23)

Put 23+3/23 over the common denominator 23. 23+3/23 = (23×23)/23+3/23:
7+9/46-(23×23)/23+3/23
7+9/46-(529/23+3/23)

529/23+3/23 = (529+3)/23:
7+9/46-(529+3)/23
7+9/46-532/23

Put 7+9/46-532/23 over the common denominator 46. 7+9/46-532/23 = (46×7)/46+9/46+(2 (-532))/46:
(46×7)/46+9/46+(2 (-532))/46

46×7 = 322:
322/46+9/46+(2 (-532))/46

2 (-532) = -1064:
322/46+9/46+-1064/46

322/46+9/46-(1064)/46 = (322+9-1064)/46:
(322+9-1064)/46
331-1064/46

331-1064 = -(1064-331):
Answer: |(-733)/46

329.45

What is 599 minus 45%

599 - [.45 x 599] =

599 - 269.55 =329.45

convert 7,892,000,000 to a scientific notation

=7.892 x 10^9 in scientific notation.