Answer:
x=2
Step-by-step explanation:
My friend iis bumped and so am I. Question : graph the function described by the equation y = 2x − 2.
the graph of the equation y = 2 x - 2 is being obtained.
We are given the equation:
y = 2 x - 2
We need to make the graph of the equation.
We will first find some points on this equation:
x y
0 -2
1 0
2 2
3 4
4 6
5 8
Now, we will plot these points on the graph and join them with a dark line to obtain the graph of the equation y = 2 x - 2.
Therefore, the graph of the equation y = 2 x - 2 is being obtained.
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5) Compare and Contrast. Which of the following jobs would be better? A job that
pays $13 a hour, or a salaried position that is paying $25,000. Explain your thinking.
Answer:
The job with a salaried position that is paying $25,000
Step-by-step explanation:
The 2nd option would be better because $13 an hour wouldn't be as much if you time it by one day. For example 13x24=$312 for just one day. But if it was more than one day, option 1 would be the best choice.
1.
Tank A has a length, in feet, represented by 25x + 12 and a width, in feet, represented by 7x + 18. Write and simplify an expression used to determine the total amount of rubber stripping, in feet, needed for both rectangular tanks.
The value of the total amount of rubber stripping, in feet, needed for the rectangular tanks is 64x + 70.
How to calculate the perimeter?It should be noted that the perimeter of a rectangle is given as:
= 2(Length + Width)
= 2(25x + 12) + 2(7x + 18)
= 50x + 24 + 14x + 46
= 64x + 70
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What is perpendicular to x=0
Answer:
y=0
Step-by-step explanation:
The y-axis(x=0) and x-axis(y=0) are perpendicular.
Add 3/8+ 1/12 by using the LCM as the common denominator.What is the LCM of 8 and 12?
Enter your answer in the box.
Answer: 24
Step-by-step explanation: LCM(8, 12) = 24
12 x 2 = 24
8 x 3 = 24
A can of soup is composed of 40% solids and 60% water. If a can of soup is mixed with two cans of water, what percentage of the mixture is water?
Assuming that a can of soup which has 60% water is mixed with two cans of water, the percentage mixture that is water is 87%.
What percentage is water?Assuming the total quantity of a can is 100 ml, the quantity of water in the can of soup would be:
= 60% x 100
= 60 ml
If two more cans of water are added, the total amount of water is:
= 60 + 100 + 100
= 260 ml
The percentage of water is:
= 260 / (100 + 100 + 100)
= 87%
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The annual tuition at a specific college was $20,500 in 2000, and $45,4120
in 2018. Let x be the year since 2000, and y be the tuition. Write an
equation that can be used to find the tuition y for x years after 2000. Use
your equation to estimate the tuition at this college in 2020.
y = 20500 + 24090(x - 1) can be used to find the tuition y for x years after 2000. The tuition at this college in 2020 was $5,02,300.
We assume that the rate of increase in the cost of tuition fee per year is linear and hence the tuition fees of subsequent years will be in an Arithmetic Progression. The formula for determining the nth term of an arithmetic sequence which is expressed as-
Tn = a + (n - 1)d
Where
a = first term of the sequence.
d = common difference.
n = number of terms in the sequence.
According to the question,
a = $20500 (amount in 2000)
From 2000 to 2018, the number of terms is 19, hence,
n = 19
Thus, T19 = 454120
Therefore,
4,54,120 = 20500 + (19 - 1)d
454120 - 20500 = 18d
18d = 433620
d = 433620/18
d = 24,090
Therefore, the equation that can be used to find the tuition y for x years after 2000, is as follows-
y = 20500 + 24090(x - 1)
Now, the number of terms between 2000 and 2020 is 21, hence
x = 21
y = 20500 + 24090(21 - 1)
y = 20500 + 481800
y = $502300
Therefore, the tuition at this college in 2020 was $5,02,300.
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Top and bottom needed
The length of the arcs are as follows
L = 1.94 pi cmL = 0.55 pi cmL = 2.50 pi cmL = 5.0 pi cmL = 4.44 pi cmL = 5.0 pi cmL = 4.88 pi cmGiven data
<BAC = 90 degrees
<BEA = 70 degrees
<DEA = 180 degrees
BE = radius = 5 cm
How to determine length of arcstop
Length of arc = ( ∅ / 360 ) * 2 * pi * r
1. length of arc AB
L = ( ∅ / 360 ) * 2 * pi * r
L = ( 70 / 360 ) * 2 * pi * 5
L = 1.94 pi cm
2. length of arc CD
L = ( ∅ / 360 ) * 2 * pi * r
∅ = 180 - 90 - 70 = 20
L = ( 20 / 360 ) * 2 * pi * 5
L = 0.55 pi cm
3. length of arc CB
L = ( ∅ / 360 ) * 2 * pi * r
L = ( 90 / 360 ) * 2 * pi * 5
L = 2.50 pi cm
4. length of arc CAD
∅ = 90 + 70 + 20 = 180
L = ( ∅ / 360 ) * 2 * pi * r
L = ( 180 / 360 ) * 2 * pi * 5
L = 5.0 pi cm
5. length of arc BCA
∅ = 90 + 70 =
L = ( ∅ / 360 ) * 2 * pi * r
L = ( 160 / 360 ) * 2 * pi * 5
L = 4.44 pi cm
6. length of arc DA
∅ = 180
L = ( ∅ / 360 ) * 2 * pi * r
L = ( 180 / 360 ) * 2 * pi * 5
L = 5.0 pi cm
Bottom
7. length of arc from off to volume 7
∅ = 110
r = 8
L = ( ∅ / 360 ) * 2 * pi * r
L = ( 110 / 360 ) * 2 * pi * 8
L = 4.88 pi cm
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- 8x9
8x (3+6)
(8 x) + (8 x.
8x9=
Answer:
72
Step-by-step explanation:
: A man whose wait was 90 pounds on weight scale on Earth was noticed to be 15 pounds only on the moon. Keeping this scientific fact in mind write the equations of proportionality between weight of a man on Earth and on moon. (Note: Y = weight on Earth, X = weight on moon)
Answer:
because the gravitational streanghts is much weaker on the moon
The cost of 12 oranges and 7 apples is $5.36. 8 oranges and 5 apples cost is $3.68. Find the cost of each.
Answer:
oranges €0·2б apples€0·32
Step-by-step explanation:
Answer:
apple $0.32 , orange $0.26
Step-by-step explanation:
let o and a represent the cost of an orange and apple, respectively , then
12o + 7a = 5.36 → (1)
8o + 5a = 3.68 → (2)
multiplying (1) by 8 and (2) by - 12 and adding will eliminate o
96o + 56a = 42.88 → (3)
- 96o - 60a = - 44.16 → (4)
add (3) and (4) term by term to eliminate o
0 - 4a = - 1.28
- 4a = - 1.28 ( divide both sides by - 4 )
a = 0.32
substitute a = 0.32 into either of the 2 equations and solve for o
substituting into (1)
12o + 7(0.32) = 5.36
12o + 2.24 = 5.36 ( subtract 2.24 from both sides )
12o = 3.12 ( divide both sides by 12 )
o = 0.26
the cost of an apple is $0.32 and the cost of an orange is $0.26
Assume that each circle shown below represents one unit. Express the shaded amount as a single fraction and as a mixed number.
Answer: One fraction: 5/4. Mixed Number:
Step-by-step explanation: One fraction: you need to count the number of green squares on the top, and on the bottom you need to count how many are you each square.
A box turtle Marcos found is 0.115 of a meter long. What is this length in expanded form?
If a box turtle Marcos found is 0.115m long, then the length in expanded form is (0.1 + 0.01 + 0.005).
As per the question statement, a box turtle Marcos found is 0.115m long.
We are required to find out the expanded form of the length.
To solve this question, we need to know the procedure to convert a decimal into a fraction:
First, we will have to eliminate the decimal point and then, consider the digits in the same order as a complete number which will be our numerator. Secondly, we will use (10ⁿ) as our denominator where "n" is the number of digits on the right side of the decimal point in the original decimal number. Thus, 0.115 can be written as [tex]\frac{115}{1000}[/tex], since there are three digits after decimal point.
Now [tex]\frac{115}{1000}[/tex] can be written in the following manner as shown below.
[tex]\frac{115}{1000}=\frac{100+10+5}{1000}\\ or, \frac{115}{1000}=\frac{100}{1000}+\frac{10}{1000}+\frac{5}{1000}\\ or, \frac{115}{1000}=\frac{1}{10}+\frac{1}{100}+\frac{5}{1000}\\ or, \frac{115}{1000}=0.1+0.01+0.005[/tex]
Therefore, 0.115 can be written as (0.1 + 0.01 + 0.005) in its expanded form.
Expanded Form (of a number or decimal): This is a format of writing a number as a summation of its individual digits multiplied by their place values.
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(x+12)+(4x-16)=6x-13
x+12+4x-16=6x-13
x+4x+12-16=6x-13
5x+12-16=6x-13 When there is a x and no number do you assume it is a 1?
5x-4=6x-13 Why did the + disappear? Was it for the (-4)
5x-4+4=6x-13+4 How do you know the 4 is supposed to be added and not subtract?
5x=6x-9 If its 13+4 why was the 4 subtracted?
5x-6x=6x-9-6x Why was the 6 subtracted and not the 9? How do you know which
one it is supposed to be?
-x=-9 Why did the -6x effect the 6x and not the 9?
-x/-1=-9/-1 How do you know you are supposed to divide with -1? Not another number? and not a positive?
x=9
The value of the variable x in the expression is 9.
How to solve for a variable in an expression?The mathematical expression is as follows:
(x+12) + (4x-16) = 6x-13
Therefore, let's open the brackets
(x+12) + (4x-16) = 6x - 13
x + 12 + 4x - 16 = 6x - 13
Combine the like terms
x + 12 + 4x - 16 = 6x - 13
x + 4x + 12 - 16 = 6x - 13
Do the arithmetic of the like terms on both sides
x + 4x + 12 - 16 = 6x - 13
5x - 4 = 6x - 13
Add 4 to both sides
5x - 4 = 6x - 13
5x - 4 + 4 = 6x - 13 + 4
5x = 6x - 9
subtract 6x from both sides
5x = 6x - 9
5x - 6x = 6x - 6x - 9
-x = -9
divide both sides by -1
Therefore,
x = 9
The value of the variable x in the expression is 9.
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Describe the transformation from the graph off to the graph of g. PLEASE HELP!
Answer: x=-3
Step-by-step explanation: Linear function of -3. This is because you subtract by 3 from f to g each time.
You have enough wallpaper to cover 500 square feet. If your walls are 5 feet high, what wall
length can your paper?
Answer:
the answer would be 100
Step-by-step explanation:
500÷5= 100
Answer: 100
Step-by-step explanation:
[tex]50 divided 500=100[/tex]
Calculate the mean 24,27,31,21,27
Answer:
26
Step-by-step explanation:
add all the numbers up 24+27+31+21+27=130
divide 130/5=26
Answer:
26
Step-by-step explanation:
Means is the same as finding the average in a data set. You add up all of the values and then divide that by the number of terms you have in the data set.
24 + 27 + 31 + 21 + 27 = 130
130 ÷ 5 = 26
g less than the quotient of 7 and 8
Answer:
"g - (7 • 8)" is correct. :)
-2x-y+10-x+7y-5 simplified please show steps
Answer:
-3x+6y+5
Step-by-step explanation:
The equation- -2x-y+10-x+7y-5
Next, combine all the x, y, and real numbers.
X's: (-2x)+(-x)= -3x
Y's: (-y)+(7y)=6y
Real Numbers: (10)+(-5)=5
insert back into an equation
-3x+6y+5
:-) hope this helps
15 x 3 x 3 =
and i need to show work
Step-by-step explanation:
15×3×3=135
hope it helps you
Mary’s backyard vegetable garden measures 20 ft by 30 ft, so its area is 20*30=600 ft 2. She decides to make it longer, as shown in the figure, so that the area increases to A=20(30+x). Which property of real numbers tells us that the new area can also be written A=600+20x?
the answer is 60020 I am not sure if it is correct
Answer:
Distributive Property
Step-by-step explanation:
Example of distributive property is: 5 (4 + 7) = 5 × 4 + 5 × 7
1. Which of the following is a solution to the equation y = 3x - 1?
O (4,1)
0 (2,5)
O (4,3)
0 (0, -3)
Answer:
(2,5)
Step-by-step explanation:
i don't know how i did the solvings so sorry but if it is not correct please let me know
please help I will give Brainly please!!!
Answer:
GPA = 3.05
Step-by-step explanation:
You want the GPA, given the course grades and associated credits for 4 courses.
Weighted averageThe GPA is the weighted average of the individual course grade points. The weights are the course credits.
The weighted average is found by multiplying grade points by course credits, adding the products for all the courses, and dividing by the total number of course credits (the total of the weights).
GPA = (3.5×5 +2.2×3 +2.9×4 +3.2×6)/(5+3+4+6) = 54.9/18
GPA = 3.05
__
Additional comment
Many calculators and all spreadsheets can calculate a weighted average for you.
20. Bernadette is a bus driver for the local transit authority, and she earns a regula
hourly wage of $17.08. She receives overtime pay, at 1.5 times her regular hourly
wage, for any hours more than 40 hours that she works in a week. This week,
Bernadette will work 48 hours. What will be her weekly gross pay?
The weekly gross pay will be $2732.80.
How to calculate the gross pay?Based on the information, the extra hours that was spent will be:
= 48 - 40 = 8 hours
Therefore, the gross pay will be;
= ($17.08 × 40) + (8 × $17.08 × 1.5)
= $683.20 + $2049.6
= $2732.80
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find the circomference of the circle.
Answer:
d=23in
circumference= πd
= 23×3.14
=72.22 probably
Rewrite without parentheses and simplify.
(u+6)²
Ú
Answer:
u² + 36 + 12uStep-by-step explanation:
(u + 6)² =
u² + 36 + 12u
Answer:
[tex]u^2+12u+36[/tex]
Step-by-step explanation:
[tex]\begin{aligned}& \textsf{Given}: & & (u+6)^2 \\\\& \textsf{Expand the square}: & & (u+6)(u+6)\\\\& \textsf{Distribute}: & & u(u+6)+6(u+6)\\\\& \textsf{Distribute}: & & u^2+6u+6u+36\\\\& \textsf{Combine like terms}: \quad & &u^2+12u+36\end{aligned}[/tex]
If the United States government raises the income taxes on thr wealthy Americans while increasing welfare payments to the poorest Americans
Increasing income taxes on the wealthy while increasing welfare payments to the poorest, will likely reduce inequality and reduce efficiency.
What is the effect of an increase in income tax?Note: The complete question is presented before answering the question as follows:
If the united states government raises the income taxes on the wealthiest Americans, while increasing welfare payments to the poorest Americans, the result will likely be.
The answer is now as follows:
An income tax is a tax that is levied against people or organizations based on their earnings.
Increasing income taxes on the wealthy while increasing welfare payments to the poorest, will redistribute wealth and reduce inequality.
However, doing so will reduce the incentive for the wealthy to work to produce more commodities which will result in a reduction in efficiency.
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Help me pls with this! :)
Answer: 48 red beads
Step-by-step explanation:
3 red beads: 1 bracelet
16 bracelets * 3 read beads/1 bracelet=
16*3/1=
16*3=48 red beads
If you multiply two decimals that ares less then 1 can you predict whether the product will be less than or greater than either of the factors Explain.
Use π = 22/7 to find the circumference and area of the following circle. r = 2 1/2 cm C = ____ A = ______
Answer:
c=12.57
Step-by-step explanation:
beacuse of the radius