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ollegr [7]
3 years ago
5

Subtract 4x + 2y - 16z from ( -12x + 2y - 4z ).

Mathematics
1 answer:
White raven [17]3 years ago
5 0

Answer:

Step-by-step explanation:

4x + 2y - 16z - (-12x + 2y - 4z)

4x + 2y - 16z + 12x - 2y + 4z

16x - 12z

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To mix plaster for a dental model, 35 mL of water is used for 100g of plaster. How many mL of water should be used for 250g of p
laila [671]

Okay, here we have this:

Considering the provided information, we are going to calculate the requested value, so we obtain the following rule of three:

\begin{gathered} \frac{x}{35mL\text{ of water}}=\frac{250g\text{ of plaster}}{100g\text{ of plaster}} \\ x=\frac{250g\text{ of plaster}}{100g\text{ of plaster}}\cdot35mL\text{ of water} \end{gathered}

Solving for x:

\begin{gathered} x=2.5\cdot35mL\text{ of water} \\ x=87.5mL\text{ of water} \end{gathered}

Finally we obtain that 87.5mL of water should be used for 250g of plaster.

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1 year ago
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Aleks [24]

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3 years ago
Who do you solve 36×14usingpartial products by using 2-digit by 2-digit help
topjm [15]

first you would do this



36

14


4x6=24

then,4x30=120

then,10x30=300

then 10x6=60 lastly you would add them up and get a sum of 504

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3 years ago
A negative number is ______ a positive number
yawa3891 [41]
A negative number is the inverse of a positive number and a negative number is smaller than a positive  hope this help
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Solve the linear inequality<br> -17x+2&lt;-10x-19
Marizza181 [45]

Answer:

x > 3

Step-by-step explanation:

-17x + 2 < -10x - 19

_____________

.Subtract 2 from both sides.

-17x + 2 - 2 < -10x - 19 - 2

____________________

.Simplify.

-17x < -10x - 21

__________________

.Add 10x to both sides.

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(-7x)(-1) > (-21)(-1)

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.Simplify.

7x > 21

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.Divide both sides by 7.

7x/7 > 21/7

_____________________

.Simplify.

x > 3

8 0
2 years ago
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