Answer:
[tex]\displaystyle 2x^2 + \frac{x}{2} - \frac{5}{2}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Terms/CoefficientsExpand by FOIL (First Outside Inside Last)Step-by-step explanation:
Step 1: Define
[tex]\displaystyle (2x + \frac{5}{2})(x - 1)[/tex]
Step 2: Expand
[Trinomial] FOIL: [tex]\displaystyle 2x^2 - 2x + \frac{5}{2}x - \frac{5}{2}[/tex][Trinomial] Combine like terms: [tex]\displaystyle 2x^2 + \frac{x}{2} - \frac{5}{2}[/tex]Find the inverse of the function f(x) = -5x
Answer:
y=-1/5x
Step-by-step explanation:
y=-5x
x=-5y
y=x/-5
y=-1/5x
Pls help
Thanks have. A good day
Answer:
on 14th day
Step-by-step explanation:
...........
PLEASE HELP, I’ll give brainliest to anyone who answers first!!!!
Answer:
opotion 2!
Step-by-step explanation:
Mari spends $6 on cheese for a party she also plans to buy b boxes of crackers that cost $3 per box
Answer:
The answer is 6+3b<or equal to 15
Step-by-step explanation:
Will has 35 buttons. He puts 5 buttons on his backpack. How many
buttons does Will have left?
Answer: 30 buttons
35 - 5 = 30
Answer:
30
35-5=30
Step-by-step explanation:
Jane and 3 friends decided to split the cost of a pizza evenly. The total cost was $25.48. How much does each friend have to pay?
Answer:
$6.37
Step-by-step explanation:
Jane and 3 friends = Jane + another 3 people
= 4 people in total
Total Cost of pizza = $25.48
If 4 people split $25.48 evenly,
Amount each friend has to pay = Total Cost of pizza/Total number of people
= $25.48/4
= $6.37 per friend
Each friend has to pay $6.37 each if $25.48 is splitted evenly amongst them
An Xbox has a retail price of $350. Best Buy is offering a 15% discount on the system. How much will the Xbox cost after the discount?
Answer:
About 297.50$
becuase since i actually have an xbox with that same discount i know the answer
Answer:
you will pay 297.50$
you are saving 52.50$
please, help me with my geometry:)
Answer: 8.9443
Step-by-step explanation:
Help Please :)
I'm not sure if I'm correct.
Answer:
You are correct!
Checking account earnings at Baker's Bank are expressed by the equation: I = -0.09x + 10.2.
While the earnings at Elite Bank are modeled by: I = -0.02% + 7.5.
In both cases, x is the number of checks written.
At what number of checks will Elite Bank start generating more checking account income than Baker's
Bank?
A. 12
B. 25
C. 39
D.42
ANSWER IS B
Hope i got this right
Answer:
The answer is C. 39
Step-by-step explanation:
An electrician bought 120 feet of electrical wire and used 105 feet of it
What percent of the wire went unused?
A 15%
B 12.5%
C 8.75%
D 7%
Answer:
B. 12.5%
Step-by-step explanation:
Find how much was unused:
120 - 105
= 15
To find what percent this is, divide it by 120:
15/120
= 0.125
Multiply this by 100:
0.125(100)
= 12.5
So, 12.5% of the wire went unused
The correct answer is B. 12.5%
What do you need to do to solve the problem?
x/5= 8
O Multiply each side by 5
O Multiply each side by - 5
O Multiply each side by 1/5
O Multiply each side by - 1/5
Answer:
Multiply each side by 5
Step-by-step explanation:
Multiplying and dividing are opposite recipricols, so to undo one, we just to the other. If we multiply something by 5, it will get of the fraction where x is being divided by 5
Answer:
all the options are correct
(08.01)
Given the arithmetic sequence an = 4 + 8(n - 1), what is the domain for n? (1
point)
All integers
All integers where n > 1
All integers where n > 0
All integers where n > 1
You roll a six-sided die numbered 1-6. What is the probability of a multiple of 3?
Experimental or Theoretical?
Answer:
1/3
Step-by-step explanation:
n(e)/n(s)
n(3)/n(6)
3/6
1/2
A man invests 10000 for 3 years at a certain rate of interest, compounded annually. At the
end of one year, it amounts to 11200. Calculate :
(i) the rate of interest per annum;
(ii) the interest accrued in the second year;
(ii) the amount at the end of the third year.
Step-by-step explanation:
10000, After 1 year amount = 11200 so interest after 1 year = 1200
Amount = P(1+R/100)T
11200 = 10000(1+R/100)1
R = 12%
Interest for the second year = 11200(1+12/100)1 - 11200 = 1344
after 3 years = 10000(1+12/100)3 = 14049.28
Step-by-step explanation:
(I) Principle = Rs 10000, After 1 year amount
= Rs 11200 so interest after 1 year
= Rs 1200
R = 12%
Amount = P(1+R/100)T
11200 = 10000(1+R/100)1
R = 12%——————————————————————————————————————
(Ii)Interest for second year = 11200(1+12/100)1 - 11200 = Rs 1344
(iii)Amount after 3 year = 10000(1+12/100)3 = Rs 14049.28
HELPPPPPPPPPPPPPPP!! I WILL MARK YOU THE BRAINLIEST!!!! PLEASE IM REALLY STRUGGLING.
Answer:
b
Step-by-step explanation:
y e s . c a k e . y e s .
Answer:
30 cakes per hour
Step-by-step explanation:
Basically you just find the slope:
[tex]\frac{y2-y1}{x2-21} \\\\\frac{60 - 30}{2-1} \\\\\frac{30}{1}[/tex]
also, yes. cake. *insert emoji with sunglasses here*
Answer:
The answer is 30
have a good day :)
Step-by-step explanation:
PLEASE HELLLLLLLLLLLLLLP ME I NEED HELP PLEASE EXPLAIN HOW TO DO IT AS I HAVE A TEST NEXT WEEK AND IM REALLY STRESSED
Answer:
C. Cos(60°) = Sin(30°)
Step-by-step explanation:
Cos(60°) = 0.5
Sin(30°) = 0.5
The camping trip costs $165. How long will it take you to save enough money?
25 Points I guess.
Answer:
11 weeks
Step-by-step explanation:
$165 / 15 = 11 weeks
11 weeks
Hope that helps!
The equation of line is given by y = 15x and the number of weeks to save enough money is 11 weeks
What is an Equation of a line?The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the number of weeks be x
Let the cost of trip be y
Let the equation of line be represented as A
Now , the value of A is
Let the first point be P ( 4 , 60 )
Let the second point be Q ( 8 , 120 )
Now , the slope of the line between the two points is
Slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Substituting the values in the equation , we get
Slope m = ( 120 - 60 ) / ( 8 - 4 )
On simplifying the equation , we get
Slope m = 60 / 4
Slope m = 15
Now , the equation of line is y - y₁ = m ( x - x₁ )
Substituting the values in the equation , we get
y - 60 = 15 ( x - 4 )
On simplifying the equation , we get
y - 60 = 15x - 60
Adding 60 on both sides of the equation , we get
y = 15x
Now , the cost of the camping trip is $ 165
Substitute the value of y = 165 , we get
165 = 15x
Divide by 15 on both sides of the equation , we get
x = 165/15
x = 11 weeks
Therefore , the value of x is 11 weeks
Hence , the equation is y = 15x
To learn more about equation of line click :
https://brainly.com/question/14200719
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What is the sum of 4 and its additive inverse?

The additive inverse is the opposite sign quantity so the sum of 4 and its additive inverse will be 0.
What is summation?A summation, also abbreviated as a sum, is the outcome of adding two or more numbers or quantities. Here are always an integer number of terms in a summation.
Given the number 4.
The sign of the number 4 is positive.
An additive inverse is a number whose sign is opposite to the number.
For example, the additive inverse of -5 is 5, and 5 is -5.
So additive inverse of 4 will be -4.
Now sum of 4 and -4
4 + (-4) = 0
Hence "The additive inverse is the opposite sign quantity so the sum of 4 and its additive inverse will be 0".
For more information about summation
brainly.com/question/10777222
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Write the equation of the line that passes through each pair of points (-2,0) (-1,-3)
Answer:
y = − 3 x − 6
Step-by-step explanation:
I hope this helps you
21 meters is the same as how many feet?
Hint: 1 m ≈ 3.3 ft
Round your answer to the nearest tenth.
Answer:
69
Step-by-step explanation:
3.3x21=69.3
can someone help me find the slope of this line pleaseeee
PLEASE HELP OH GOD ILL GIVE BRAINIEST HELP PLEASE NOW
Answer:
1) non linear since linear is a straight line , 2) Line B , 3) Weak negative
Step-by-step explanation:
GENGUR
20. Gençlik ve Spor bakanlığının düzenlemiş
olduğu Gençlik Kamplarına bu yıl her ilden 16
öğrenci katılmıştır.
Torkiye'de 81 l bulunduğuna göre Gençlik
kamplarne katılan toplam Oğrenci sayısı kaçtır?
Answer:
11 cevapppppppppppppp bb
a marathon runner completes a 42km course at an average speed of 7km/h calculate the time taken to complete the course.
Answer:
6 hours
Step-by-step explanation:
42/7=6h
divide 220 in the ratio 3:8
Answer:
500/(7+3)=50; 3*50=150, 7*50=350. 150:350=3:7
Step-by-step explanation:
o Ayan sinolve kayan geh pa follow po
220 is divided in the ratio 3:8 as 60 and 160 respectively.
What is the ratio?The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.
The given ratio is 3:8 and the number is 220.
Here, 3+8=11
Now, 3/11 ×220
= 3×20
= 60
8/11 ×220
= 8×20
= 160
Therefore, 220 is divided in the ratio 3:8 as 60 and 160 respectively.
To learn more about the ratio visit:
brainly.com/question/13419413.
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What is the radius of the circle?
Answer:
5 cm
Step-by-step explanation:
To find the radius, divide the diameter by 2.
10/2 = 5
An artist builds a sculpture out of metal and wood that weighs 14.4 kilograms. 3/4 of this weight is metal, and the rest is wood. How much does the wood part of the sculpture weigh?
Answer: weight of wood part = 3.6 kilogram.
Step-by-step explanation:
Sculpture made of both metal and wood = 14.4 kilogram
Weight of metal=3/4 of 14.4 kilogram
which means the weight of metal = 3/4 x 14.4kg= 10.8kg
Since the rest is wood, we can say that
weight of wood = Total weight - weight of metal
= 14.4 kilogram- 10.8 kilogram= 3.6 kilogram
Answer i think 3.6
Step-by-step explanation:
find domain and range of x²-9/x-3
Answer:
Step-by-step explanation: hope this helps :)
DOMAIN: (-INFINITY,0)
RANGE:(-INIFINITY,INFINITY)