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Oksanka [162]
2 years ago
6

3. Given w = 10, what is the answer to w+ (w-12÷2².3) 7? A.073 B.066 C.023 D.017

Mathematics
1 answer:
castortr0y [4]2 years ago
7 0

\huge\text{Hey there!}

\textsf{Assuming:}

\mathsf{w + (w - \dfrac{12}{2^2} \times 3)(7)}

\textsf{If so:}

\mathsf{w + (w - \dfrac{12}{2^2} \times 3)(7)}

\mathsf{= 10 + (10 - \dfrac{12}{2^2} \times 3)(7)}

\mathsf{= 10 + (10 - \dfrac{12}{2\times2} \times 3)(7)}

\mathsf{= 10 + (10 - \dfrac{12}{4} \times 3)(7)}

\mathsf{= 10 + (10 -3 \times 3)(7)}

\mathsf{= 10 + (10 - 9)(7)}

\mathsf{= 10 + (1)(7)}

\mathsf{= 10 + 7}

\mathsf{= 17}

\huge\textsf{Therefore, your answer should be:}

\huge\boxed{\textbf{Option D. }\frak{017}}\huge\checkmark

\huge\text{Good luck on your assignment \& enjoy your day!}

~\frak{Amphitrite1040:)}

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Irene makes 4 2/3 cups of pancake batter . she splits the
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Answer:


Step-by-step explanation:

An estimate is usually a guess, but I somehow think that's not what you want.

She starts with 4 2/3 cups of batter. When she divides it into two, one of the batters has 2 1/4 cups. That's the one she puts blueberries in.

The other batter is the one you are interested in. How big is it?

Estimate: One

The estimated size would be 4 2/3 - 2 1/3 = 2 1/3 which is an estimate. It is just taking the closest number to use so you don't have to grab your calculator.

Actual Size: Two

4 2/3 - 2 1/4 is the size of the second batter. Since 2/3 is greater than 1/4 you need only subtract the whole numbers and then the fractions.

<em><u>Whole number subtraction:</u></em> 4 - 2 = 2

<em><u>Fraction subtraction:</u></em> 2/3 - 1/4

Find the Lowest common multiple between 3 and 4: It is 12. 3 and 4 are prime to each other. They have nothing in common.

  • 2/3 to 12s: (2*4)/(3*4) = 8 / 12
  • 1/4 to 12s: (1 *3) / (4*3) = 3/12
  • 8/12 - 3/12 = 5/12

So the actual size of the batter containing the walnuts is 2 5/12

4 0
4 years ago
Fireworks for a nearby electronics store in Mesa Commission of 6% off everything is else if he sells a computer for $7,764 how m
svp [43]
You have to use a ratio so in order to answer the question find out how many times 100 goes into 7,764 which is 77.64 and then multiply 77.64 by 6 which is your answer 465.64
3 0
3 years ago
Follow the directions to solve the system of equations by elimination. 8x + 7y = 39 4x – 14y = –68 Multiply the first equation t
Leno4ka [110]

9514 1404 393

Answer:

  (x, y) = (1/2, 5)

Step-by-step explanation:

We observe that the y-terms have coefficients 7 and -14. If we want to eliminate the y-terms, we need to multiply 7 by a factor that makes it be the opposite of -14. That factor will be -(-14)/7 = 2.

After multiplying the first equation by 2, we have ...

  • 16x +14y = 78
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Adding these two equations gives ...

  20x = 10

Solving for x, we need to divide by 20:

  x = 10/20 = 1/2

Substituting this into the first equation, we get ...

  8(1/2) +7y = 39

  7y = 35 . . . . . . subtract 4

  y = 35/7 = 5 . . . divide by 7

Then the solution is (x, y) = (1/2, 5).

_____

<em>Check</em>

We used the first equation to find y, so we know the x- and y-values satisfy the first equation. We need to check the result using the second equation.

  4(1/2) -14(5) = -68

  2 -70 = -68 . . . . . . . true; result checks OK

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Answer:

Step-by-step explanation:

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19 is rounded to 20, because the tenths place is bigger than 5.

So you would take

120 divided by 6=20
8 0
3 years ago
Read 2 more answers
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