Please Help me? Will mark brainliest.
Please do not post any random answers, they will be immediately reported [by immediately I mean when i get back on. I am going to sleep now ;-;]
pH is a measurement of hydronium ions and can be modeled by the function f(x) = −log10x. The variable x represents the amount of hydronium ions, and f(x) gives the pH level.
Different liquids have ideal pH values that are different. Water at 25 degrees Celsius has a pH of 7. Anything that has a pH less than 7 is called acidic, and a pH above 7 is basic, or alkaline. Seawater has a pH just more than 8, whereas lemonade has a pH of approximately 3.
Create a graph of the pH function either by hand or using technology. Locate on your graph where the pH value is 0 and where it is 1. You may need to zoom in on your graph.
Use your graph to find the ideal pH level if the amount of hydronium ions is raised to 0.50.
The pool company developed new chemicals that transform the pH scale. Using the pH function f(x) = −log10x as the parent function, explain which transformation results in a y-intercept and why. You may graph by hand or using technology. Be sure to label each transformation on the graph.
f(x) + 1
f(x + 1)
[If you could, it's be greatly appreciated if you'd use desmos to graph as that will be the site I am using. It's fine if not, thanks]
Answers
Answer:
5.623x10-11 mol/l
Step-by-step explanation:
pls trust on this one
Answer:
1.
pH is 0 = (1,0)
pH is 1 = (0.1,1)
2.
(0.5,0.301)
3.
f(x+1) because of the horizontal transformation to the left so it has a y-intercept of (0,0).
Step-by-step explanation:
Graphs included
Related Questions
Which of the following coordinates are exactly 5 units from (2, -1)? Select all that apply.
(3, 4)
(5, 3)
(-2, 2)
(-3, -1)
20 Brainly points!
Answers
Answer:
-3-1
Step-by-step explanation:
I need help plz help!
Answers
Answer:
bad quality man im sorry
Step-by-step explanation:
PLZZZ HELP I WILL GIVE BRIANLY
What is the equation of the additive relationship represented by this table?
Enter your answer by filling in the box using an integer.
x y
9 5
12 8
Answers
Answer:
x-4=y
Step-by-step explanation:
9-4=5
12-4=8
Answer:
9,5
step-by-step explanation:
find the number that makes the ratio equivalent to 1:8
Answers
Divide any number by 9. Then then ur answer times 1 then times 8.
Example 9:9=1 1 and 8
36:9=4. 4 and 32
Jillian has a total debt of $36. She is trying to pay back $4 each week for the next 4 weeks. If Jillian is successful, which amount will represent the change in the amount of her debt?
-$8
-$12
-$16
-$20
Answers
Answer: $8
Step-by-step explanation:
Total Debt : $36
Every Week Paying Back: $4
So in 4 weeks so earns a total of $28 to pay back.
36 - 28 = 8
$8 is left to pay
----
so the answer is $8
Hello!! I have a question, can you please answer it. ^^
The school nurse is assembling first-aid kits for the teachers. She has 75 bandages and 90 throat lozenges.
All the kits must have the same number of each supply, and all supplies must be used.
a. What is the largest number of kits the nurse can make?
b. How many bandages and lozenges will be in each kit?
Answers
Answer:
1. 75
2. 1
Step-by-step explanation:
I’m desperate Please help don’t answer if you don’t know
Answers
Answer:
I'm pretty sure the equation would be b=4×12, the answer would be b=$48.00
Step-by-step explanation:
At the school election there were three candidates. Isabella got 40 votes, Amelia got 60 votes and Mason got ⅓ of the votes. How many people voted in the election?
Answers
Answer: 150 people voted in the election.
Step-by-step explanation:
Let x = Total number of votes.
Mason got [tex]\dfrac{x}{3}[/tex] votes.
Isabella got 40 votes, Amelia got 60 votes.
Then,
Combined votes = [tex]40+60+\dfrac{x}{3}=x[/tex]
[tex]100=x-\dfrac{x}{3}\\\\100=\dfrac23x\\\\ x=100\times\dfrac32\\\\ x=50\times3\\\\ x=150[/tex]
Hence, 150 people voted in the election.
Express 5/9 as a recurring decimal
Answers
Answer:
the answer is 0.55555555555
Answer:
0.5 with a "_" on top of the 5
Step-by-step explanation:
6. Draw the graph of the linear equation 3x - y = 3. Hence find the
coordinates of the point where the graph intersects y-axis.
Answers
Answer:
(0,-3)
Step-by-step explanation:
need help asap 20 points. thank u in advance
Answers
Answer:
$50 and $6
Step-by-step explanation:
(x-6)(250-5x)=0
250x - [tex]5x^{2}[/tex] - 1500 + 30x = 0
-5x^2 + 280x - 1500 = 0
(divide everything by -5)
x^2 -56x + 300 = 0
(factorise)
(x-50)(x-6)=0
x=50, x=6
HELP PLEASE I REALLY NEED IT I WILL GIVE YOU A BRAINLEIST
Answers
Answer:445.05 commission is for the first question
Step-by-step explanation:7.5% to the sending question. I will only give half ok hope I helped
SORRY MY ANSWER WAS WRONG I HAD TO DELETE AND WRITE THIS INSTEAD PLEASE REMOVE MY POINTS
4x – y = 7 3y – 12x = –21
Answers
Answer:
y=4x-7 3(4x-7)-21x=-21 12x-21-12x=-21 -21=-21
Step-by-step explanation:
4
x
−
y
=
7
for y:
4
x
−
y
=
7
4
x
−
y
+
−
4
x
=
7
+
−
4
x
(Add -4x to both sides)
−
y
=
−
4
x
+
7
−
y
−
1
=
−
4
x
+
7
−
1
(Divide both sides by -1)
y
=
4
x
−
7
Step: Substitute
4
x
−
7
for
y
in
−
12
x
+
3
y
=
−
21
:
−
12
x
+
3
y
=
−
21
−
12
x
+
3
(
4
x
−
7
)
=
−
21
−
21
=
−
21
(Simplify both sides of the equation)
−
21
+
21
=
−
21
+
21
(Add 21 to both sides)
0
=
0
A store owner notes that 1 out of 4 customers do not make a purchase. How many customers need to come into the store in order for the owner to make 85 sales?
Answers
Answer:
340 customers.
Step-by-step explanation:
1 out of 4 = 25% purchase rate
85 × 4 = 340
To check our work:
25% of 340 = 0.25 × 340 = 85
Find the mean of the following data: 0, 5, 30, 25, 16, 18, 19, 26, 0, 20, 28
Answers
Answer:
17
Step-by-step explanation:
In order to find a mean in a data set you need to be able to add all numbers provided than divided them by the numbers given. which in this case
- 0+5+30+25+16+18+19+26+0+20+28= 187
- There are 11 number given so we take:
187/11
187/11= 17
Have a nice day!
The price of a pair of jeans increases from £45.00 to £47.50.
What is the percentage increase in the price of the jeans?
Give your answer correct to 1 decimal place.
Answers
idrk an easy way to solve this lol
Answers
Answer:
math math math ;D
Step-by-step explanation:
afdgdfgdagf
Iris found a value of 1
64
when she evaluated an expression.
Answers
Answer: Options A. 2^-6 and C. 4^-3 are equivalent to 1/64
Step-by-step explanation: hope this helps :D
Answer:
A. 2 -6 and C. 4 -3
Step-by-step explanation:
Xavier fills a rectangular prism with 12-centimeter cubes. The base of the prism measures 5 centimeters by 3 centimeters, and the height of the prism is 6 centimeters.
Which statement is TRUE?
A: Xavier will use 90 cubes to fill the prism
B: Xavier will use 60 cubes on the bottom layer
C: It will take six layers of cubes to fill the prism
D: The prism will have a perimeter of 15 centimeters around the base
Answers
Answer:
I tried A.
Step-by-step explanation:
It's all like a fraction & multiplication type answer im if wrong correct me!
Answer:
i feel like it would be B
Step-by-step explanation:
Hopefully this helps!!!
F(x)=5x-3 g(x)=[tex]x^{2}[/tex]
find fg (-2)
PLS help
MATH MATH MATH math MATH math
Answers
Answer:5 x 2 - 3g
Step-by-step explanation: Substitute the given value into the function and evaluate.
Answer:
5 x 2 - 3g
Step-by-step explanation:
Yahir is buying ingredients to make his favorite pizza recipe for a party. At the first store he buys 3.4 pounds of pre-made dough, and at the second store he buy 4.8 pounds of the same dough. If he uses this dough to make 4 pizzas that are the same size, how much dough is needed for one pizza!
Answers
9514 1404 393
Answer:
2.05 pounds
Step-by-step explanation:
The total amount of dough Yahir is using is ...
3.4 lbs + 4.8 lbs = 8.2 lbs
The amount used for each of 4 pizzas will be ...
(8.2 lbs)/4 = 2.05 lbs . . . . for one pizza
please quickly and correctly solve the question in the image below.
Answers
Answer:
step 2
Step-by-step explanation:
he was not supposed to multiply by x
he was supposed to combine like terms
add -2x and 4x and add 6 and 5
Answer:
So he messed up on step 2
Step-by-step explanation:
Help me it’s urgent please
Answers
(8x^2 + 4x - 6x^2)2 + 7x^2 - 2x
ALgebra
Only nerds can solve this
Answers
Answer:
11x2+6x
Step-by-step explanation:
Answer: its either 21x^2 +2x or 11x^2-6x Im not sure which one is solved correctly :/
Step-by-step explanation:
8x^2+4x-6x^2+2+7x^2-2x
21x^2 +2x
or
(8x^2+4x-6x2)2+7x^2-2x
-12x^2+8x+16x^2+7x^2-2x
11x^2-6x
If AB = 8x + 5, CB = 10x - 1, and BD AC, solve for x. (picture included, please help, no need to show work)
Answers
x = 3
Step-by-step explanation:
AB = CB
8x + 5 = 10x - 1
8x - 10x = -1 - 5
-2x = -6
x = 3
(Please heart and rate if you find it helpful, it's a motivation for me to help more people)
Find the volume of each cylinder. (use nr = 3.14)
Answers
Answer:
V = 8591.04 ft³
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightGeometry
Volume of a Cylinder: V = πr²h
V is volumer is radiush is heightStep-by-step explanation:
Step 1: Identify
Radius r = 12 ft
Height h = 19 ft
Step 2: Find Volume
Substitute in variables [Volume of Cylinder]: V = π(12 ft)²(19 ft)Evaluate exponents: V = π(144 ft²)(19 ft)Multiply: V = 2736π ft³Substitute π: V = 2736(3.14) ft³Multiply: V = 8591.04 ft³Chad is making an orange smoothie. The recipe calls for 3 parts frozen yogurt to 5 parts orange juice. How many ounces of orange juice does he need to get a total of 16 ounces?
Answers
Answer:
8
Step-by-step explanation:
If you add 5 and 3 then subtract the answer from 16 you get 8
Of the 960 students writing an examination in a school, 840 are expected to pass. The estimated probability that a randomly chosen student will fail the examination is
Answers
Answer:
1/8
Step-by-step explanation:
960 (total students) - 840 (students expected to pass) = 120 (students expected to fail)
120/960 = 1/8
14 is whatpercent of 25
Answers
Answer: the answer is 56
Hope this Help
Step-by-step explanation:
100%= 25
X%= 14
100%=25(1)
X% = 14(2)
100%/x% = 25/14
X%/ 100% = 14/25
X=56%
someone pls help mee with this question:) if you do tysm<33
Answers
Answer:
w = 35
Step-by-step explanation:
The angle adjacent to 125° is
180° - 125° = 55°
The 3 angles on the straight line sum to 180° , that is
90 + w + 55 = 180
w + 145 = 180 ( subtract 145 from both sides )
w = 35