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lianna [129]
2 years ago
13

3/4 times (-1/3) ?????

Mathematics
2 answers:
DIA [1.3K]2 years ago
4 0

Answer:

<h2>-  \frac{1}{4}</h2>

Step by step explanation:

\frac{3}{4}  \times ( \frac{ - 1}{3} )

Multiplying a positive and negative equals a negative:

( + ) \times ( - ) = ( - )

-  \frac{3}{4}  \times  \frac{1}{3}

Reduce the number with the greatest common factor 3

-  \frac{1}{4}

Hope this helps...

Good luck on your assignment...

Snowcat [4.5K]2 years ago
3 0

Answer:

-1/4

Step-by-step explanation:

You multiply the numerators, 3 multiplied by -1=-3.

Then the denominators, 4 multiplied by 3=12.

This means the answer is -3/12, but then you can simplify it to -1/4.

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Members of the swim team want to wash their hair. The bathroom has less than 5600 liters of water and at most 2.5 liters of sham
nordsb [41]

Answer:

Yes, the bathroom has enough water and shampoo for all of them.

Step-by-step explanation:

70L+ 60S < 5600

Putting 8 into L and 7 into S, gives:

70(8) + 60(7) = 560 + 420 = 980

That is definitely less than 5600, so water is OK.

Now,

0.02L + 0.01S

Putting 8 into L and 7 into S, gives:

0.02(8) + 0.01(7) = 0.16 + 0.07 = 0.23

That's definitely less than 2.5 liters, so shampoo is OK as well.

Hence, bathroom has enough water and shampoo for them.

7 0
3 years ago
Read 2 more answers
Bryan and Jadyn had barbeque potato chips and soda at a football party. Bryan ate 3 oz of chips and drank 2 cups of soda for a t
Diano4ka-milaya [45]

Answer:

200 mg sodium is in 1 oz of chips and 50 mg sodium is in 1 cup of soda.

Step-by-step explanation:

Let x mg sodium is in 1 oz of chips and and y mg is in 1 cup of soda.

∵ Bryan ate 3 oz of chips and drank 2 cups of soda for a total of 700 mg of sodium.

i.e. 3x + 2y = 700 --------(1),

Jadyn ate 1 oz of chips and drank 3 cups of soda for a total of 350 mg of sodium.

i.e. x + 3y = 350 ---------(2),

Equation (1) - 3 × equation (2),

We get,

2y - 9y = 700 - 1050

-7y = -350

\implies y = \frac{-350}{-7}= 50

From equation (1),

3x + 2(50) = 700

3x + 100 = 700

3x = 700 - 100

3x = 600

\implies x = \frac{600}{3}=200

Hence, 200 mg sodium is in 1 oz of chips and 50 mg sodium is in 1 cup of soda.

7 0
3 years ago
Class be boring but anyways what is ( 2 x 2 − 1 )?
mina [271]

Answer:

3

Step-by-step explanation:

In order to do this equation, your first step is to use the Order of Operations, or PEMDAS, which means that you multiply (M) two times two first before subtracting the equation (S). 2 times 2 is 4.  4 - 1 = 3. Hope I helped! :)

5 0
3 years ago
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Mashcka [7]

Answer:

5a+8+(-2a)=-7

5a+8-2a=-7

5a-2a=-7-8

3a=-15

3a/3=-15/3

a=-5

3 0
3 years ago
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Find the median of these numbers ? 2,7,5,4,3
kotykmax [81]

Answer:

4

Step-by-step explanation:

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3 years ago
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