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Mathematics

1 answer:

Triss [41]3 years ago

4 0

Answer:

La tercera

-1 2/9

Step-by-step explanation:

Simplify

(−3 2 /3 )( 4 /12 )

(Decimal: -1.222222)

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PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( !

m_a_m_a [10]

Answer:

the answer is B 1/6

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Which expression represents the surface are of the prism? 4 8 7

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

One side;

7 x 8 = 56, the side parallel to it is also 56 as well, so 56(2).

Second(bottom) side;

8 x 4 = 32, the side parallel to it(the side above) is also 32 as well, so 32(2).

Third(front) side;

4 x 7 = 28, the side parallel to it(backside) is also 28 as well, so 28(2).

You add all those products to get the surface area:

56(2) + 32(2) + 28(2)

3 0

2 years ago

Solve x - 3 1/8 = 5/12

Anna007 [38]

Answer:

$\large\boxed{x=\dfrac{85}{24}=3\dfrac{13}{24}}$

Step-by-step explanation:

Convert the mixed number to the fraction:

$3\dfrac{1}{8}=\dfrac{3\cdot8+1}{8}=\dfrac{25}{8}$

METHOD 1:

$x-3\dfrac{1}{8}=\dfrac{5}{12}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\\\\\text{the common denominator is 24}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\qquad\text{multiply both sides by 24}\\\\24x-(3)(25)=(2)(5)\\\\24x-75=10\qquad\text{add 75 to both sides}\\\\24x=85\qquad\text{divide both sides by 24}\\\\\boxed{x=\dfrac{85}{24}}$

METHOD 2:

$x-3\dfrac{1}{8}=\dfrac{5}{12}\qquad\text{add}\ 3\dfrac{1}{8}\ \text{to oboth sides}\\\\x=\dfrac{5}{12}+3\dfrac{1}{8}\\\\x=\dfrac{5\cdot2}{12\cdot2}+3\dfrac{1\cdot3}{8\cdot3}\\\\x=\dfrac{10}{24}+3\dfrac{3}{24}\\\\x=3\dfrac{10+3}{24}\\\\\boxed{x=3\dfrac{13}{24}}$