The number of hours Serena and Roseline have to work to earn the same amount of money will be 9 hours.
What is the solution to the equation?The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.
Serena recently began working at the nearby salon. By and large, $58.50 in tips every day. Roseline recently began working at a bank. Since she doesn't get tips, she procures $16.35 60 minutes. The arrangement of conditions {y = 9.85x + 58.50 and y = 16.35x} can be utilized to address how much cash is procured, y, every day for working x hours.
The number of hours Serena and Roseline have to work to earn the same amount of money will be given as,
16.35x = 9.85x + 58.5
6.5x = 58.5
x = 9 hours
The number of hours Serena and Roseline have to work to earn the same amount of money will be 9 hours.
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What is the speed of a jet plane that travels 3,000 meters in 100 seconds?
Answer:
Step-by-step explanation:Answer: 108,000m/h (108km/h or 30m/s)
A bakery sells 4 dozen cupcakes every 3 hours. If the bakery is open 8 hours each day, how many days does it take to sell 640 cupcakes?
5 days does it take to sell 640 cupcakes.
Given:
A bakery sells 4 dozen cupcakes every 3 hours.
If the bakery is open 8 hours each day.
4 dozen cupcakes = 4*12 cupcakes
= 48 cupcakes
48 cupcakes = 3 hours
divide by 3 on both sides
3hours/3 = 48/3 cupcakes
1 hour = 16 cupcakes
Number of cupcakes for 8 hours = 8 * 16 = 128 cupcakes.
128 cupcakes sells in one day.
To sell 640 cupcakes = 640/128
= 5 days.
Therefore 5 days does it take to sell 640 cupcakes.
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don't need explanation just the answer
The function, changes from f(x) = (3x)³ - 8 to g(x) = (9x)³ - 8 when it is dilated, the statementr which best describes the graph is, the graph is streched towards the x axis by a factor of 1/3
When an object is dilated the image formed is larger or smaller, but there is a difference in the size of the shape.
the rule of function change f(x) = (3x)³ - 8 to g(x) = (9x)³ - 8
3x = 9xk
k = 1/3
Therefore, the function, changes from f(x) = (3x)³ - 8 to g(x) = (9x)³ - 8 when it is dilated, the statement which best describes the graph is, the graph is streched towards the x axis by a factor of 1/3
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Write a function rule for the table. x ƒ(x) –3 –6 –2 –4 –1 –2 0 0 ƒ(x) = x + 2 ƒ(x) = –2x ƒ(x) = x – 2 ƒ(x) = 2x
A function rule for the table: f(x) = 2x
In this question, we have been given a table.
We need to write a function rule for the table.
x ƒ(x)
-3 -6
-2 -4
-1 -2
0 0
We can observe that f(x) = 2x
Therefore, a function rule for the table: f(x) = 2x
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Simplify. (x+1)+(x-2)(x+3)
show all work
The age distribution of a population is shown. a. The probability that a person chosen at random is at least 15 years old is %. b. The probability that a person chosen at random is 25−44 years old is %.
Answer is :
The chosen at random is 25 - 44 years old is = 26 %.
Probability determines how likely it is that a stated event would
occur. This event would occur. This probability lies between 0 and 1.
The probability that a person chosen at random is at least
15 years = sum of percentages of people at least 15 years old :
14 + 13 + 13 + 15 + 12 + 13 = 80%
the probability that a person chosen at random is 25 - 44 years old :
13% + 13% = 26%
Therefore The probability is 26%.
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guys i seriously need help with this one
The option(1) that is g(1) is 3 is True and remaining are false.
Explain the function by its graph?Function of a variable is when a change in one is accompanied by a change in the other. The graph's x-axis denotes the function's domain, and the y-axis its range.
What kinds of functions can you find on a graph?Eight distinct types of regularly used functions correspond to eight distinct types of function graphs. They include linear, power, quadratic, polynomial, rational, exponential, logarithmic, and sinusoidal function graphs.
According to given data in the question:we have,
g(x) = f(x - 3)
The value of g(1) is 3As graph in question,
g(1) = f(1-3) = f(-2) = 3
This option is true.
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5(x - 3) = - 4(x - 2) + 9x
The expansion of (2 px)^6 in ascending powers of x, as far as the term in x², is
64 + Ax + 135x²
Given that p > 0, find the value of p and the value of A.
Answer: [tex]x=\frac{-A+\left(A^2-34560\right)^{\frac{1}{2}}}{270},\:x=\frac{-A-\left(A^2-34560\right)^{\frac{1}{2}}}{270}[/tex]
Step-by-step explanation:
64+Ax+135x^2
135x^2+Ax+64=0
[tex]x_{1,\:2}=\frac{-A\pm \sqrt{A^2-4\cdot \:135\cdot \:64}}{2\cdot \:135}[/tex]
[tex]x_{1,\:2}=\frac{-A\pm \left(A^2-34560\right)^{\frac{1}{2}}}{2\cdot \:135}[/tex]
[tex]x_1=\frac{-A+\left(A^2-34560\right)^{\frac{1}{2}}}{2\cdot \:135},\:x_2=\frac{-A-\left(A^2-34560\right)^{\frac{1}{2}}}{2\cdot \:135}[/tex]
[tex]x=\frac{-A+\left(A^2-34560\right)^{\frac{1}{2}}}{270},\:x=\frac{-A-\left(A^2-34560\right)^{\frac{1}{2}}}{270}[/tex]
2x^2 + y^2 = 19
x + 3y = 0
Answer:
(-3,1) & (3, -1)
Step-by-step explanation:
Solving quadratic equation and linear equation:
2x² + y² = 19 -----------------(I)
x + 3y = 0 -----------------(II)
x = -3y --------------(III)
Substitute x = -3y in equation (I) and we can find the value of y.
2(-3y)² + y² = 19
2*9y² + y² = 19
18y² + y² = 19
Combine like terms,
19y² = 19
y² = 19 ÷ 19
y² = 1
y = √1
y = ±1
Substitute y = ±1 in equation (III) and find the value of x.
When y = 1,
x = -3*1
x = -3
When y = -1,
x = -3*(-1)
x = 3
Solutions: (-3, 1) ; (3, -1)
CAN SOMEONE HELP ME
Michael has v sweets.
Lily has 5 more sweets than Michael.
James has 8 more sweets than Lily.
They have 75 sweets altogether.
what is the number of sweets Michael has.
Answer:
Michael has 19 sweets
Step-by-step explanation:
19+24+32 = 75
Lilly has: 24
James has: 32
y=½x+4 solve this slope
Answer:
Slope: [tex]\frac{1}{2}[/tex]
Step-by-step explanation:
The slope-intercept form is y = m x + b , where m is the slope and b is the y-intercept.
The expression given is already in slope intercept form. In this case [tex]m=\frac{1}{2}[/tex]
Therefore the slope is [tex]\frac{1}{2}[/tex]
Answer:
slope = [tex]\frac{1}{2}[/tex]
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = [tex]\frac{1}{2}[/tex] x + 4 ← is in slope- intercept form
with slope m = [tex]\frac{1}{2}[/tex]
Gassama buys some bags of buttons
there are 20 buttons or 21 buttons or 22 buttons or 23 buttons in each bag
the table gives some information about the number of buttons in each bag
the total number of buttons is 280
work out the value of X
20 buttons = frequency x
21 buttons = frequency 5
22 buttons = frequency 3
23 buttons = frequency 3
The number of 20 button bags are 2.
Given that, Gassama buys some bags of buttons there are 20 buttons or 21 buttons or 22 buttons or 23 buttons in each bag.
What is frequency?Frequency refers to the number of times an event or a value occurs. A frequency table is a table that lists items and shows the number of times the items occur.
Here,
Number of 20 buttons = 20×x=20x
Number of 21 buttons = 21×5=105
Number of 22 buttons = 22×3=66
Number of 23 buttons = 23×3=69
Total = 20x+105+66+69
20x+105+66+69=280
⇒ 20x+240=280
⇒ 20x=40
⇒ x=2
Therefore, the number of 20 button bags are 2.
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In triangle ABC, the measure of angle C is 6 times the measure of angle B. 2 times angle A is 20 more than 3 time angle B. Find the measure of each angle in degrees.
Answer:
∠
A
=
x
=
32
∘
∠
B
=
3
x
=
3
⋅
32
=
96
∘
∠
C
=
x
+
20
=
32
+
20
=
52
∘
Step-by-step explanation: Every triangle adds up to 180.
fast pls!!!!!!!!!!!!!!!!!!! What is the product?
67 times 48 = blank
2,966
3,016
3,116
3,216
Answer:
D, 3216
Step-by-step explanation:
Calculators are great. I love calculators.
50 Points
What is the best approximation of the solution to the system to
the nearest integer values?
O(7, -2)
O(-2, 6)
O (6, -2)
O(-2,7)
Answer:
B) (-2, 6)Step-by-step explanation:
The solution of linear system of equations is the point of intersection of the lines.
Closer view of the graph gives us the point ( - 2, 6 ). See the attached.
Add vertical and horizontal lines from the point of intersection and take the closest values to the integer numbers on the x-axis and the y-axis. The numbers are -2 on the x-axis and 6 on the y-axis, therefore the answer is (- 2, 6).
The matching choice is B.
For each sequence that is neither arithmetic nor geometric, how can you change a
single number to make it an arithmetic sequence? A geometric sequence?
If the common difference between every term in a sequence is the same, the sequence is arithmetic. If all of the terms in a sequence have the same common ratio, the sequence is geometric.
Take a look at the sequence 2,4,6,8, and note how each new term is created by adding a constant term, in this case 2, to the one before it.
For instance, the number 4 is created by adding 2 to the previous phrase, in this case the number 2.
Similar to how 2 + 4 = 6, another number is obtained by adding 2 to 4.
As a result, the sequence is arithmetic since there is a common difference between the sequences, which in this case is 2.
Take the numbers 3, 6, 12, etc.
Keep in mind that the ratio of the following and preceding terms is the same (6/3=2 and 12/6=2).
Such a sequence is referred to as a geometric sequence, and the constant ratio is known as the common ratio of the sequence and is typically indicated by the symbol r.
What is arithmetic sequence?
An ordered group of numbers with a shared difference between each succeeding word is known as an arithmetic sequence.
What is geometric sequence?
Every term in a geometric series is obtained by multiplying the term before it by the same number.
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Use mental math to subtract 3,273-1,256=
Answer:
Ima say 2017
Step-by-step explanation:
The length of the base of an isosceles triangle is x. The length of a leg is 4x-4. The perimeter of the triangle is 37. Find x.
Answer:
x = 9
Step-by-step explanation:
According to the question,
Perimeter of an isosceles triangle = 37
Length of the base = x
Length of one leg = 4x - 4
As it is an isosceles triangle so length of the other leg will also be 4x - 4.
Perimeter of triangle is equal to sum of all the lengths of the triangle.
[tex] \therefore [/tex]
[tex] \rm \implies Length \: of \: base + Length \: of \: one \: leg + Length \: of \: other \: leg = 37
\\ \\ \rm \implies x + 4x - 4 + 4x - 4 = 37
\\ \\ \rm \implies 9x - 8 = 37 \\ \\ \rm \implies 9x = 37 + 8 \\ \\ \rm \implies 9x = 45 \\ \\ \rm \implies x = \frac{45}{9} \\ \\ \rm \implies x = 5
[/tex]
Can anyone write the equation of the graph?
The equation of the absolute value function graph is: y = |x - 3| + 5.
How to Write the Equation of the Graph of Absolute Value Function?The equation, y = a|x – h| + k, represents the equation of an absolute value function in the vertex form, where:
(h, k) = vertex of the graph a = determines if the graph opens up or opens down.h = horizontal translation factor (this determines how far left or right the parent function is translated)k = vertical translation factor (this determines how far up or down the parent function is translated)We are given the following from the graph:
Vertex (h, k) = (3, 5)
Plug in the values of h and k into the equation, y = a|x – h| + k:
y = a|x - 3| + 5
A point on the graph is (5, 7). Find the value of a by substituting (x, y) = (5, 7) into y = a|x - 3| + 5:
7 = a|5 - 3| + 5
7 = a|2| + 5
7 = 2a + 5
7 - 5 = 2a
2 = 2a
2/2 = 2a/2
1 = a
a = 1
Write the equation of the absolute function graph by substituting a = 1 into y = a|x - 3| + 5:
y = |x - 3| + 5
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the monthly cost (in dollars) of water use is a linear function of the amount of water used (in hundreds of cubic feet, hcf). the cost for using 17 hcf of water is 36.43, and the cost for using 28 hcf is 54.58 . what is the cost for using 24 hcf of water?
The cost for using 24 HCF water is 47.98(in dollars) by using a linear function.
What is meant by linear function?The term linear function in mathematics refers to two distinct but related concepts.
A linear function in calculus and related fields is a function whose graph is a straight line, that is, a polynomial function of degree zero or one. The term affine function is frequently used to distinguish such a linear function from the other concept.
A linear function is a linear map in linear algebra, mathematical analysis, and functional analysis.
The monthly cost of water use is a linear function: y=mx +b, where x represents HCF and y represents the cost of using. For example, if the cost of using x=17 HCF of water is $y=36.43, this means
that is a point (17,36.43)
the cost for using x=28 HCF is $y=54.58, means
that is a point (28, 54.58)
By using the above points we find slope m,
m=((54.58-36.43)/28-17)
m=1.65
=>y=1.65x+b
Now, we have to find the b point by using above point,
36.43=1.65*17+b
36.43=28.05+b
34.63-28.05=b
b=8.38
y=1.65x+8.38
When x=24,
y=1.65(24)+8.38
y=47.98
The cost for using 24 HCF of water is 47.98
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compute the equilibrating economic activity *y in terms of other variables. this is the dd schedule, if viewed as a function of e through q.
Economic equilibrium is a condition or state in which economic forces are balanced. In effect, economic variables remain unchanged from their equilibrium values in the absence of external influences.
Economic equilibrium is also referred to as market equilibrium. Economic equilibrium is the combination of economic variables (usually price and quantity) toward which normal economic processes, such as supply and demand, drive the economy. The term economic equilibrium can also be applied to any number of variables such as interest rates or aggregate consumption spending. The point of equilibrium represents a theoretical state of rest where all economic transactions that “should” occur, given the initial state of all relevant economic variables, have taken place.
In a competitive market, demand for and supply of a good or service determine the equilibrium price.
Equilibrium:MARKETS:
Equilibrium is achieved at the price at which quantities demanded and supplied are equal. We can represent a market in equilibrium in a graph by showing the combined price and quantity at which the supply and demand curves intersect.
For example, imagine that sellers of squirrel repellant are willing to sell 500 units of squirrel repellant at a price of $5 per can. If buyers are willing to buy 500units of squirrel repellent at that price, this market would be in equilibrium at the price of $5 and at the quantity of 500 cans.
Disequilibrium:Whenever markets experience imbalances—creating disequilibrium prices, surpluses, and shortages—market forces drive prices toward equilibrium.
A surplus exists when the price is above equilibrium, which encourages sellers to lower their prices to eliminate the surplus.
A shortage will exist at any price below equilibrium, which leads to the price of the good increasing.
For example, imagine the price of dragon repellent is currently $6 per can. People only want to buy 400 cans of dragon repellent, but the sellers are willing to sell 600 cans at that price. This creates a surplus because there are unsold units. Sellers will lower their prices to attract buyers for their unsold cans of dragon repellant.
Changes in equilibrium :Changes in the determinants of supply or demand result in a new equilibrium price and quantity. When there is a change in supply or demand, the old price will no longer be an equilibrium. Instead, there will be a shortage or surplus, and price will subsequently adjust until there is a new equilibrium.
For example, suppose there is a sudden invasion of aggressive unicorns. There will be more people who want to buy unicorn repellent at all possible prices, causing demand to increase. At the original price, there will be a shortage of unicorn repellant, signaling sellers to increase the price until the quantity supplied and quantity demanded are once again equal.
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In the figure below, lines m and n are parallel.
What is the value of x?
OA. 30
B. 35
OC. 45
OD. 40
m-
n+
(4x + 5)°
xo
Answer:
B. 35
Step-by-step explanation:
Because lines m and n are parallel, we know that x+(4x+5)=180.
So all you have to do is simplify.
x+(4x+5)=180
5x+5=180
5x=175
x=35
So the only possible value of x is 35
what is this asap
x=6+29
Answer:
x=35
Step-by-step explanation:
29+6=35
btw are you sure that you are in highschool???
Answer:
35
Step-by-step explanation:
29+6 is 35 u sure in high school?
I NEED HELP ASAP PLS I NEED TO FINISH MY OTHER ASSIGMENTS TYSM
The value of x by setting up equation is 16.
Given in question,
∠VZW = (2x + 32)°
∠RZY = (3x + 16)°
∠VZW = ∠RZY
2x + 32 = 3x + 16
2x - 3x = 16 - 32
-x = -16
x = 16
Hence, x = 16.
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White and solve a system of inequalities to model the following situation:
A retail store manager makes comty cloth facemasks for his employees during covid.
He has enough money to buy $100 worth of fabric.
Fabric costs $4 for a single layer mask and $6 for a mask with 2 layers of fabric.
It takes him 30 minutes to make a single layer mask and 1 hour to make double layer mask.
He only has 15 hours available to work on masks.
He wants to maximise his time and resources.
How many of each type of mask should he make
The system of inequalities for this situation are
Cost inequality = $4x + $6y ≤ $100
Time inequality = 30x + 60 ≤ 900
And the retailer should make 10 single layer and 10 2-layer mask by using the available time and cost.
System of inequalities
When two or more algebraic expressions are compared using the mathematical symbols like <, > ≤, or ≥, then they form an inequality. They are the mathematical expressions in which both sides are not equal.
Given,
A retail store manager makes cotton cloth facemasks for his employees during Covid. He has enough money to buy $100 worth of fabric. Fabric costs $4 for a single layer mask and $6 for a mask with 2 layers of fabric. It takes him 30 minutes to make a single layer mask and 1 hour to make double layer mask. He only has 15 hours available to work on masks. He wants to maximize his time and resources.
Here we need to find the system of inequalities and we also need to find each type of mask should he make.
Let us consider x be the number of single layer mask and y be the number of 2 layer mask.
Then based on the given cost, the cost inequality is written as,
$4x + $6y ≤ $100.
Here we know the time taken for each mask making, so, in the inequality form, it can be written as,
We know that,
1 hour = 60 minutes
So, 15 hours = 900
Therefore, the inequality of time is written as,
30x + 60 ≤ 900
While we plot these values on the graph then we get the graph like the following,
Here the blue line represent the time inequality and the red line represents the cost inequality.
Through the given graph, we have identified that the retailer should make 10 single layer and 10 2 layer mask by using the available time and cost.
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What is the value of z? (The figure May not be drawn to scale.)
The value of z is given by (b) z = 63.
According to Angle Sum Property, the sum of interior angles of a triangle is 180 degree.
So for left hand triangle, interior angles are 31, 61 and x. So,
31 + 61 + x = 180
92 + x = 180
x = 180-92
x = 88
Now x and y are the linear angles so their sum is 180 degree too.
x + y = 180
88 + y = 180
y = 180-88 = 92
Again for right hand triangle the interior angles are 25, y, z. So again by Angle Sum Property,
25 + y + z = 180
25 + 92 + z = 180
117 + z = 180
z = 180-117 = 63
Hence the value of z is 63.
So the correct option is (b).
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Write the equation of the
line that is perpendicular to
y = -7/5x + 1 and goes
through (5, 3)
A) y= 7/5x-4/7
B) y= -7/5x-4/7
C) y= 5/7x-3/7
D) y= 5/7x-4/7
E) y= 1/7x+3
Answer:
Step-by-step explanation:
The answer is D.
The rule for perpendicular lines is that the slope will be the negative reciprocal. Because this equation is in slope-intercept form, the coefficient of x is the slope. -7/5 becomes 5/7. Our new equation is y=5/7x+b. Plugging in (5,3), we see that b is equal to -4/7. Our equation is then y=5/7x-4/7
Sophie has bought some plants 36 violas 54 sweet peas and 72 fuchsias she wants to plant them in pots so that there is one type of plant in each pot and each pot has the same number of plants in it what is the maximum number of plants she could have in each pot
The maximum number of plants Sophie can have in each pot is 18.
Highest Common factor:
The greatest common divisor of two or more integers, which are not all zero, is the largest positive integer that divides each of the integers.
Here it is given that Sophie plants 36 violas, 54 sweet peas, and 72 fuchsias. She wants to plant them in pots.
So we have to find the maximum number of plants she could have in each pot.
For that, we have to find the Highest common factor of the given different-different plant she has.
HCF of 36, 54, 72 = 18
So the maximum number of plants she can pot is 18.
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Trevor and Michael are hosting a banquet. They plan to spend $400, plus or minus $50, at a cost of $25 per guest. Solve |25x-400| = 50 to find the maximum and minimum number of guests. If there can be up to 7 guests at each table, what is the minimum number of tables Trevor and Michael should reserve so that every guest has a seat?
Answer:
to find the max number of guests:
25x-400 = 50
25x = 50 + 400
25x + 450
then divide
x = 450/25
x = 18
to find the min number of guests:
25x = 400 - 50
25x = 350
then divide
x = 350/25
x = 14
Minimum number of tables reserved:
is dividing the max/7 per table
x = 18/7
x = 3
Step-by-step explanation: