Answer:
x = 2
Step-by-step explanation:
7x + 3 = 2x + 13
Get all the x on the same side: 7x - 2x = 13 - 3
Subtract: 5x = 10
Divide both sides by 5 to get x = 2.
Plug the found value of x back in to check the answer: 7(2) + 3 = 2(2) + 13
Multiply: 14 + 3 = 4 + 13
Add: 17 = 17
This verifies that x = 2.
Step-by-step explanation:
[tex]7x+3=2x+13\\7x-2x=13-3\\5x=10\\x=2[/tex]
can yall help me I want 3 problems done thank you if not can you at least do one?
Answer:
1. the plants grew 50%
2. if the plants grew to be 8 inches instead of 9 the they would have grown 33% which is less than 50%
3. 100% increase
Step-by-step explanation:
See image for steps
A TV that usually sells for $185.47 is on sale for 20% off. If sales tax on the TV is 5%, what is the price of the TV, including tax?
Answer:
155.79
Step-by-step explanation:
(0.8*185.47)+ (0.05*0.8*185.47)
=155.79
HELP PLS!!What ensures that professionals are well-educated and experienced?
certification
license
degree
membership
Answer:
certification
Step-by-step explanation:
The art club had an election to select a president. 9 out of the 50 members of the art club voted in the election. What percentage of the members voted?
Caroline was thinking of a number. Caroline adds 7 to it, then doubles it and gets an answer of 82.8. What was the original number?
Answer:
n = 34.4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityStep-by-step explanation:
Step 1: Set Up
Let's let our number be set by variable n.
We add 7 to it: n + 7
We then double that entire expression: 2(n + 7)
That expression is equal to 82.8: 2(n + 7) = 82.8
Step 2: Solve for n
[Division Property of Equality] Divide 2 on both sides: n + 7 = 41.4[Subtraction Property of Equality] Subtract 7 on both sides: n = 34.4∴ Caroline's original number is 34.4.
Jacinta, an internet website designer, works a 38 hour week and earns $3115.35 every fortnight. Calculate her earnings:
a) per year
b) per week
c) per hour
Giving 65 points
Step-by-step explanation:
total working duration = 2 weeks
Working duration in hours = 38× 2= 76 hours
a) per year
24*3115.35 = $74768
b) 3115.35/2
$1557.675
c)
3115.35/76
$40.99
Answer:
a) $80999.10 b) $1557.68 c) $40.99Step-by-step explanation:
Given
Jacinta earns $3115.35 every 2 weeks, working 38 hours a weekEarnings calculated as:
a) per year
Number of weeks in a year = 52
$3115.35*52/2 = $80999.10b) per week
1/2*$3115.35 = $1557.68c) per hour
$3115.35/(38*2) = $40.991)Most GPAs are figured on a _____ scale; however, honors/advanced classes can be weighted on a _____ scale and college-level classes may be weighted up to a _____ scale.
A)4.0; 4.5; 5.0
B)2.0; 3.0; 4.0
C)1.0; 2.0; 3.0
D).5; 4.5; 6.5
-----------------------------------------
2) Which statement best describes shadow hours?
A)Shadow hours are when a student follows a professional who is working in a job that the student is interested in pursuing.
B)Shadow hours are when students work in the setting in which they will become employed.
C)Shadow hours are when a faculty member follows the student around to see if they understand the work.
-----------------------------------------------
3) Which statement best describes why colleges like to see students involved in extracurricular activities?
A)Extracurricular activities show colleges a student's academic abilities.
B)Extracurricular activities illustrate college readiness.
C)Extracurricular activities show that a student is an active well-rounded individual.
D)Colleges are not concerned with extracurricular activities.
---------------------
4) When preparing for a career in health science, it is a good idea to have _____.
a)four years of language
B)two years of math
c)four years of science
d)all of the above
-----------------------------------
5)Dental assistants, physical therapy assistants, and pharmacy techs are good examples of careers that require a(n) _____.
A)associate's degree
B)bachelor's degree
C)master's degree
d)doctoral degree
--------------------------------------------
5) To earn this degree, you need to complete coursework, teaching, and research.
A)an associate's degree
B)a bachelor's degree
C)a master's degree
D)a doctoral degree
Answer:
The first question's answer is c 1.0, 2.0, 3.0
Step-by-step explanation:
Answer:
1. A) 4.0; 4.5; 5.0
2. A) Shadow hours are when a student follows a professional who is working in a job that the student is interested in pursuing.
3. C) Extracurricular activities show that a student is an active well-rounded individual.
4. D) All of the above
5. A) Associte's degree
6) D) A Doctoral degree
I hope this helps you
Please help me..make it right..
Answer: 8/9
Step-by-step explanation:
The common multiple they all share is 18, so change the denominator to that for all the fractions.
2/3 = 12/18
13/18 = 13/18
7/9 = 14/18
5/6 = 15/18
The next answer would be 16/18 which is equivalent to 8/9
Answer:
12/18,13/18,14/18,15/18
the next would be 16/18=8/9
Step-by-step explanation:
Number 12 pleaseeeee
A,B,C, or D
im really confused on this please help if you can
Answer:
A. 2[tex]\frac{1}{2}[/tex]
Step-by-step explanation:
You have to replace x with one of the values in the set. You have to find the one that works.
3[tex]\frac{1}{2}[/tex]x = 8[tex]\frac{3}{4}[/tex]
8[tex]\frac{3}{4}[/tex] ÷ 3[tex]\frac{1}{2}[/tex] = x
8[tex]\frac{3}{4}[/tex] ÷ 3[tex]\frac{1}{2}[/tex] = 2[tex]\frac{1}{2}[/tex]
Hope this helps :)
2. Rohan spends x daily and saves y per day. What is his income after 3 weeks?
Step-by-step explanation:
Amount of money spend in 1 day = x
So, amount of money spend in 7 days = (7x)
⇒ Amount of money spend in 1 week = (7x)
Amount of money saved in 1 week = y
∴ Income in 1 week = (7x + y)
So, income in 3 weeks = [3 x (7x + y)]
= (21x + 3y)
Answer:
total income after 3 weeks=7×3(x+y=21x+21y
income=saving + expenses
Parallelogram PARL is similar to parallelogram WXYZ. If AP = 25, PL = 29, and WZ = 145, find the value of c.
Answer:
The correct answer is 56
Step-by-step explanation:
Parallelogram PARL is similar to parallelogram WXYZ. If AP = 14, PL = 25, and WZ = 100, find the value of c.
100=25*4, so the other side must be also multiplicated by 4 ansd 14*4=56
Decrease 151.1 by 84%
Answer:
84% of 151.1 being reduced from 151.1 is what we need to find.
Thus we shld find 84% of 151.1
12,692.4÷100
126.924
Now subtracting 126.924 from 151.1
151.1 - 126.924
24.176
Answer:
24.176
Step-by-step explanation:
Let's find 84% first of 151.1 before we decrease it.
Since we have 84%, we can turn into a decimal and use it for our sum.
84% = 0.84
We multiply 151.1 by 0.84 in order to find the amount (strange right? I thought it was divide).
151.1 × 0.84 = 126.924
Now that we have 84% of 151.1, let's decrease it. We need to take them both away from each other, biggest number first!
151.1 - 126.924 = 24.176
And that is the final answer!
Someone help with this question. Brainliest to first correct answer
Answer:
x=15
Step-by-step explanation:
(3x-10)+(2x+25)=90
5x+15=90
5x=75
x=15
(2x+25) = 55°
(3x-10)=35°
Football is backkkk LFG!!!!!
If you want to carpet a square room that has an area of 144 square feet. What is the length of the sides of the room.
Show your work
Answer:
This means you can find the length of one side by square rooting the area, since Area=side x side anyways.Therefore, the length of a side is the sq. root (144 ft. ^2)=12 ft
Step-by-step explanation:
Which clock shows 2:08?
12
12
11
10
-10
2
-9
-9
-8
,8
4
7
6
5
6
12
11
11 12
1
-10
-10
3-
-9
8
-9
4
8
3-
4.
5
6
5
1
6
Answer:
first one
Step-by-step explanation:
What is the difference between -8 and -4?
Answer:
-4
Step-by-step explanation:
8-4=4
PLEASE HELP ME I BEG OF YOU PLEASE
Answer:
x = 130 degrees
Step-by-step explanation:
We know that the total angle equals to 180 degrees since it is a straight line
Therefore, 25 + 25 + x = 180
180 - 25 - 25 = 130
Therefore, x = 130 degrees
Plz mark brainliest :D
Step-by-step explanation:
As we know that sum of all angles on a straight line is 180°
thus,
25°+x+25° = 180°
=> x + 50° = 180
=> x = 180° - 50°
=>. x = 130°
yes scores of 280 student is show in the histogram
find the median score
Answer:
i dont understand the question
Step-by-step explanation:
i wnt points so i used this to do it!
In slope-intercept form of the equation y = mx + b, which variable represents the slope?
Answer:
m.
Step-by-step explanation:
For example if y = 4x + 1 the slope is 4.
What conclusion can you make from the information below?
Three boys (Dmitri, Ken, and Adam) have three different favorite colors (red,green, and blue)
• Dmitri does not like red
• Adam does not like red.
A. Dmitri's favorite color is blue.
B. No one likes green
C. Ken's, favorite color is red
D. Ken's favorite color is not red.
========================================================
Explanation:
We're told that Dmitri and Adam do not like red. So that must mean that Ken likes red. This immediately leads to choice C as the answer. This is assuming that each boy picks one of the three colors (and no colors can be repeated).
----------------
Extra info:
Choice A is false because we're not sure if Dmitri likes blue or green. We don't have enough info. Choice B is false because someone has to pick green. There are three boys and three colors. Again I'm assuming each person picks one color and the colors aren't repeated.Choice D is false because it contradicts choice C.HELP ASAP IF YOU CAN THANK YOU<3!! What is the value of y in the similar triangles shown below? (Only type the
number representing y)
Answer:
20?
Step-by-step explanation:
Because 12x2.5 is 30. So you multiply 8x2.5 which is 20
Have a great day or night
Answer:
y=20
Step-by-step explanation:
Have a good rest of your life
Simplify the expression by combining like terms.
7r+3r-15s-10r+8s
Answer:
The answer is -7s
Step-by-step explanation:
Combine like terms
Hoped this helped!
Brainly, please?
Help plsssss pls pls
Answer:
500
Step-by-step explanation:
if each ticket is 100 and he wants 5 u multiply em by each other and get 500
i need help please 16x-20y=60
slope intercept form
Which answer has the smallest value?
1) |-100|
2) the opposite of 50
3) 0
4) the opposite of 25
5) -5
Answer:
The smallest value is 2) the opposite of 50 because it is farthest left of the zero (this makes it the smallest)
Step-by-step explanation:
1) = 100
2) = -50
3) = 0
4) = -25
5) = -5
If the cost of manufacturing mobile phones is $10,000 for the factorytime plus $80 per phone and that each
phone sells for $100, how many phones must be manufactured for the mobile phone manufacturer to
break even (when costs equals revenue)?
Answer:
500 phones
Step-by-step explanation:
cost of manufacturing: y = 80x + 10,000
money from phone sales: y = 100x
* note: x = #phones
solve for when they're equal;
100x = 80x + 10,000
100x - 80x = 80x - 80x + 10,000
20x = 10,000 –––––––––––> divide both sides by 20
x = 500
I need help, please
Write a linear equation that shows the relationship in the table below.
Answer:
so if you multiply the top number by the ottom its always 15
Step-by-step explanation:
A pair of reading glasses shows you an image of an object that is 2.25 times the object's actual size. So the scale factor of the enlargement is 2.25. The
photo shows the glasses magnifying the Constitution by a scale factor of 2 25. If the average text size was magnified to being a height of 75 inches, how big
must the actual text size be?
A. 0.33 in
B. 3.0 in
C. 0.5 in
D. 0.4 in