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tekilochka [14]
2 years ago
8

Subtract and simplify. 12 3\8 − 9 1\8 =

Mathematics
2 answers:
Ber [7]2 years ago
7 0

Answer:

3\dfrac{1}{4}  \ \  or  \ \  3,25

Step-by-step explanation:

\displaystyle12 \frac{3}{8} -9\frac{1}{8} =12-9+\frac{3}{8} -\frac{1}{8} =3+\frac{2}{8} =3\frac{1}{4}  \ \  or  \ \  3,25

umka21 [38]2 years ago
6 0

Answer:

13/4

Step-by-step explanation:

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Answer:

A)  (-3)^{2} \neq -9

Step-by-step explanation:

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3 years ago
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three bags of sweets weigh 27/4 kg. two of them have the same weight and the third bag is heavier than each of the bags of equal
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I'm here buddy,

so, let's take the value of the two bags with equal weight as x.

=     x + x + (x + \frac{6}{5}) = \frac{27}{4}

=     3x + \frac{6}{5} = \frac{27}{4}

=     3x = \frac{27}{4} - \frac{6}{5}

( let's take the LCM of 4 and 5 = 20

=     3x = \frac{135}{20} - \frac{24}{20}

=     3x = \frac{111}{20}

=       x = \frac{111}{20} ÷ \frac{3}{1} = \frac{111}{20} × \frac{1}{3} = \frac{37}{20}

So, the weight of the equal bags are \frac{37}{20} and the weight of the third bag ( heavy one ) is \frac{37}{20} + \frac{6}{5} = \frac{37}{20} + \frac{24}{20} = \frac{61}{20}

1st bag =     \frac{37}{20} kg

2nd bag =  \frac{37}{20} kg

3rd bag =   \frac{61}{20} kg

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7 0
3 years ago
Bradley cut a square hole out of a block of wood in wood shop. If the block was cube-shaped with side lengths of 9 inches, and t
MatroZZZ [7]
To solve this problem, you must follow the proccedure below:

 1. T<span>he block was cube-shaped with side lengths of 9 inches and to calculate its volume (V1), you must apply the following formula:

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 2. Therefore, you have:

 V1=s</span>³
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 V2=LxWxH

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 W is the width (W=3 inches).
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 4. Therefore, you have:

 V2=(3 inches)(3 inches)(9 inches)
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 5. The amount of wood that was left after the hole was cut out, is:
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 Vt=V1-V2
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3 years ago
The jogger can run at an average speed of 5.5 miles per hour up the slope and 6.5 miles per hour going down the slope. The jogge
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paste that into google and the last page is the answer sheet</span></span>
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3 years ago
Solve for X.<br> 4(2x + 5) + 2x + 3 = -11
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We can begin by rewriting the problem:

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Let’s solve in steps.

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2. Combine like terms

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3. Subtract 23 from both sides

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4. Divide both sides by 10

10 / 10 = 1 (or x)

-34 / 10 = -3.4

Therefore, x = -3.4.
3 0
1 year ago
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