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liubo4ka [24]
3 years ago
7

Someone help me with this question please.

Mathematics
1 answer:
grandymaker [24]3 years ago
5 0
It’s 27 because u multiple the first 2 number and it’s a negative then add the rest to it
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Which graph models the pH of this solution?
katovenus [111]

The graph that models the pH of this solution is graph A.

<h3>What is a graph?</h3>

It should be noted that a graph is a diagram such as a series of one or more points, lines, line segments, curves, or areas which represents the variation of a variable in comparison with that of one or more other variables.

The pH is a measure of how acidic or basic water is. It should be noted that the range goes from 0 - 14, with 7 being neutral. The pHs of less than 7 indicate acidity, while a pH of greater than 7 indicates a base. The pH is really a measure of the relative amount of free hydrogen and hydroxyl ions that are in the water.

In this case, x represents the concentration of the hydrogen ions. The first graph illustrates this.

Learn more about graph on:

brainly.com/question/19040584

#SPJ1

<u>Complete question:</u>

The ph of a particular solution is given by pH=-log(x-2) where x represents the concentration of the hydrogen ions in the solution in moles per liter. Which graph models the ph of this solution?

3 0
1 year ago
4. Find the solution for each equation:<br> x + 4 = 16
Alex777 [14]

Answer:

x=12

Step-by-step explanation:

when solving and equation with a variable, you must work backwards and do the opposite of the equation

sooo… you must subtract 4 (opposite of +4 is -4)

16-4=2

x=12

3 0
2 years ago
Read 2 more answers
In five minutes 25 cars, 8 trucks, 12 vans and 2 motorcycles drove past the house. Which
zheka24 [161]

Answer:

12 vans : 8 trucks

Step-by-step explanation:

12/3=4

8/2=4

therefore this would be your answer.

25/3= 8.33   25/2=12.5

2/3- 0.66      2/2=1

8/3= 2.66  

12/2=6

Hope this helps

4 0
3 years ago
Round 89,659 to the nearest hundred thousand
Nesterboy [21]

89,659 is rounded 100,000 hundred thousand
8 0
3 years ago
Given f(x)=(x+5)(x-2), what are the x-intercepts?
Yuri [45]

Answer:

The intercepts are -5 and 2

Step-by-step explanation:

Using the zero product property

f(x)=(x+5)(x-2)

0 =(x+5)(x-2)

0 = (x+5)   0=(x-2)

x = -5            x = 2

The intercepts are -5 and 2

6 0
3 years ago
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