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Simora [160]
3 years ago
13

Please Hurry!!! Which expression is equivalent to 2w? w+w 2w+2 2w-w w+2

Mathematics
1 answer:
aksik [14]3 years ago
3 0

Answer:

w+w

Step-by-step explanation:

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Y= x - 4<br> 5x+y=-34<br> How would I do this in steps ?
Lostsunrise [7]

Answer:

x =  -5  y = -9

Step-by-step explanation:

y = x -4

5x + y = - 34

substitute x-4 in for y to solve for x

5x + x - 4 = 34

solve for x . . . add 5x + x = 6x

so you now have 6x-4 = -34

add 4 to both sides of the equation

6x-4 + 4 = -34+ 4

6x = -30

divide both sides by 6

6x/6 = -30/6

x= -5

then you plug -5 for x in the first equation

y = x - 4

y= -5 -4

y =-9

x= -5   y=  -9

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3 years ago
What is the equation of a line that passes through
Romashka [77]
A is the answer I chose
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3 years ago
A container of orange juice has a pH of 3.3. Find the concentration of hydronium ions in the milk.
kap26 [50]

The concentration of the hydronium ions in the milk is 5.011×10⁻⁴ if  the container of orange juice has a pH of 3.3.

<h3>What is pH value?</h3>

The pH of a solution is a measurement of the concentration of hydrogen ions in the solution, as well as its acidity or alkalinity. Normally, the pH scale ranges from 0 to 14.

We have:

A container of orange juice has a pH of 3.3.

The pH value = 3.3

\rm pH = -log[H_3O^+]

\rm 3.3 = -log[H_3O^+]

Removing log:

\rm 10^{-3.3}=[H_3O^+]

\rm [H_3O^+] = 5.011\times10^{-4}

Thus, the concentration of the hydronium ions in the milk is 5.011×10⁻⁴ if  the container of orange juice has a pH of 3.3.

Learn more about the pH value here:

brainly.com/question/1503669

#SPJ1

8 0
2 years ago
A cookbook originally cost $13.00. Yesterday, Marta bought it at 40% off.
Brrunno [24]
The answer is A, just so you know this was the best math class I’ve ever been in
7 0
3 years ago
Please solve what is the slope of the line???​
Feliz [49]

Answer:

The slope is 3/2

Step-by-step explanation:

Pick 2 points and use rise over run.

3 0
3 years ago
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