Let x be the number of day and y be the number of mile
100x + 0.30y
To get the amount the rental company will recieve as payment, simply substitute x = 1 and y = 300 in the above expression and evaluate
100(1) + 0.30(300)
100 + 90
= $190
The rental company will receive $190 as a payment
The input or values that you could put into an expression or equations
The inputs or values that can be put into expressions or equations depend on the variables or parameters involved in the mathematical context.
In mathematics, expressions and equations are used to represent relationships and perform calculations. To evaluate or solve these expressions and equations, we need to provide specific values or inputs. The values we can substitute into expressions or equations depend on the variables or parameters involved in the given mathematical context.
For example, let's consider the equation: y = 2x + 3. In this equation, we have two variables, x and y. To find the value of y for a given value of x, we can substitute a specific value into the equation. For instance, if we substitute x = 5, we can solve the equation as follows:
y = 2(5) + 3
y = 10 + 3
y = 13
In this case, the value 5 is the input that we substituted into the equation to find the corresponding output or value of y.
Similarly, expressions can also be evaluated by substituting specific values. For example, if we have the expression: 3x^2 - 4x + 2, we can calculate the value of the expression for a given value of x. If we substitute x = 2, we can evaluate the expression as follows:
3(2)^2 - 4(2) + 2
3(4) - 8 + 2
12 - 8 + 2
6 + 2
8
In this case, the input or value that we substituted into the expression is 2, and the resulting value is 8.
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suppose the dimensions of the right rectangular prism are 3 cm by 4 cm by 5 cm. another right rectangular prism is similar to this one with scale factor 140%. without calculating the dimensions, what are the surface area and volume of the new prism? then sketch both prisms and label all dimensions. make sure to talk about the relationship between the new and old surface areas and volumes without simply calculating each.
The surface area of the new prism is 184.24 cm² and the volume is 131.88 cm³.
The new prism is similar to the original one, which means that all of its dimensions are 140% of the original dimensions. We can calculate the new dimensions by multiplying each of the original dimensions by 1.4:
Length: 3 cm x 1.4 = 4.2 cm
Width: 4 cm x 1.4 = 5.6 cm
Height: 5 cm x 1.4 = 7 cm
To calculate the surface area of the new prism, we need to find the area of each face and add them up. There are six faces, each with a different area:
Top and bottom faces: Length x Width = 4.2 cm x 5.6 cm = 23.52 cm² x 2 = 47.04 cm²
Front and back faces: Length x Height = 4.2 cm x 7 cm = 29.4 cm² x 2 = 58.8 cm²
Left and right faces: Width x Height = 5.6 cm x 7 cm = 39.2 cm² x 2 = 78.4 cm²
Total surface area of the new prism = 47.04 cm² + 58.8 cm² + 78.4 cm² = 184.24 cm²
To calculate the volume of the new prism, we multiply the length, width, and height together
Volume of the new prism = Length x Width x Height = 4.2 cm x 5.6 cm x 7 cm = 131.88 cm³
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The given question is incomplete, the complete question is:
suppose the dimensions of the right rectangular prism are 3 cm by 4 cm by 5 cm. another right rectangular prism is similar to this one with scale factor 140%. without calculating the dimensions, what are the surface area and volume of the new prism?
Please answer this correctly
Answer:
174
Step-by-step explanation:
l x w
5x20
8x4
6x7
174
Explain why the two figures show equivalent graphs. Then draw a third equivalent graph.
B
G
K
M
Why are the two graphs equivalent? Select all that apply.
A. The graphs have a number of edges that matches the number of vertices.
B. The graphs have the same number of edges.
C. The vertices are connected in the same way.
D. The graphs have the same number of vertices.
The two figures show equivalent graphs because:
A. The graphs have several edges that match the number of vertices.
B. The graphs have the same number of edges.
C. The vertices are connected in the same way.
D. The graphs have the same number of vertices.
The third equivalent graph is at option D.
What are equivalent graphs?The graphs that have the same number of vertices connected in the same way are called equivalent graphs. If they are connected in the same way then their count of edges will be the same for both graphs. They are also said to be isomorphic graphs.
Calculation:The given graphs have
Graph1: vertices BCJK
Graph2: vertices BCJK
So, there is the same number of vertices for both graphs.
The connection between the vertices:
Graph1: J - B - C - K - B
Graph2: J - B - C - K - B
So, they are connected in the same way.
The edges formed by these vertices:
Graph1: JB; BC; CK; KB
Graph2: JB; BC; CK; KB
So, there is the same number of edges for both graphs.
Here the number of edges = the number of vertices i.e., (4 = 4)
From all these comparisons, the given graphs are equivalent.
The third equivalent graph made from these graphs is at option D in the diagram attached below.
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Disclaimer: The given question is incomplete. There is no image attached in the given question. Here the image is attached.
Line 1: y=-x-3
Line 2: y= -1/2x-2
Is there a solution to this? I feel like there is, but I'm not good at math, so can someone confirm?
What two rays form angle 1?
Answer:
box 2 and 3
Step-by-step explanation:
the rays are the only two that form the angle of 1
According to a disease control center, 26% of people in a certain country have high blood pressure. If a person in this country is selected at random, determine the odds in favor of this person having high blood pressure.
Answer:
Squirrel has High BLood pressure
Step-by-step explanation:
Squirrels
State the size of angle 'n' in the triangle illustrated below.
Answer:
Option B
Step-by-step explanation:
<r = 32 degrees (alternate angles )
<r = <n = 32 degrees (vertical angles)
cos (x + 16) = sin(3x – 2)
Answer:
x = 19
Step-by-step explanation:
So cos and sin are closely related, but they are not equal. In order for these two to be equal to each other, the angles (in the parenthesis by the cos and by the sin) have to be complementary. That is, they have to add up to 90°
Use this idea to set up an equation.
x + 16 + 3x - 2 = 90
Combine like terms.
4x + 14 = 90
Subtract 14.
4x = 76
Divide by 4.
x = 19
x = 19
If you are kooking for the angles:
x + 16
= 19 + 16
= 35
and
3x - 2
= 3(19) - 2
= 57 - 2
= 55
Check: 35 + 55=90
Also,
cos35 = sin55
A) Find an equation for the line perpendicular to the tangent line to the curve y=x^3-4x+6 at the point (2,6)
-The equation is y=
b) What is the smallest slope on the curve? At what point on the curve does the curve have this slope?
-The smallest slope on the curve is
-The curve has the smallest slope at the point
c) Find equations for the tangent lines to the curve at the points where the slope of the curve is 8.
Answer:
f(x) = x³ - 4x + 6
f'(x) = 3x² - 4
a) f'(2) = 3(2²) - 4 = 12 - 4 = 8
6 = 8(2) + b
6 = 16 + b
b = -10
y = 8x - 10
b) 3x² - 4 = 0
3x² = 4, so x = ±2/√3 = ±(2/3)√3
= ±1.1547
f(-(2/3)√3) = 9.0792
f((2/3)√3) = 2.9208
c) 3x² - 4 = 8
3x² = 12
x² = 4, so x = ±2
f(-2) = (-2)³ - 4(-2) + 6 = -8 + 8 + 6 = 6
6 = -2(8) + b
6 = -16 + b
b = 22
y = 8x + 22
f(2) = 6
y = 8x - 10
The equation perpendicular to the tangent is y = -1/8x + 25/4
-The smallest slope on the curve is 2.92
The curve has the smallest slope at the point (1.15, 2.92)
The equations at tangent points are y = 8x + 16 and y = 8x - 16
Finding the equation perpendicular to the tangentFrom the question, we have the following parameters that can be used in our computation:
y = x³ - 4x + 6
Differentiate
So, we have
f'(x) = 3x² - 4
The point is (2, 6)
So, we have
f'(2) = 3(2)² - 4
f'(2) = 8
The slope of the perpendicular line is
Slope = -1/8
So, we have
y = -1/8(x - 2) + 6
y = -1/8x + 25/4
The smallest slope on the curveWe have
f'(x) = 3x² - 4
Set to 0
3x² - 4 = 0
Solve for x
x = √[4/3]
x = 1.15
So, we have
Smallest slope = (√[4/3])³ - 4(√[4/3]) + 6
Smallest slope = 2.92
So, the smallest slope is 2.92 at (1.15, 2.92)
The equation of the tangent lineHere, we set f'(x) to 8
3x² - 4 = 8
Solve for x
x = ±2
Calculate y at x = ±2
y = (-2)³ - 4(-2) + 6 = 6: (-2, 0)
y = (2)³ - 4(2) + 6 = 6: (2, 0)
The equations at these points are
y = 8x + 16
y = 8x - 16
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what is equivalent to -1/2(1/4x-3/8)
HELPP!!!
The area of the figure is ____ square units.
Answer:
The answer is 132 square units
Step-by-step explanation:
Cutting the shape
we have two trapeziums
A=(area of small +Area of big)Trapezium
A=1/2(3+9)8 + 1/2(9+12)8
A=1/2×12×8 + 1/2×21×8
A=12×4 + 4×21
A=48+84
A=132 square units
A certain state uses the following progressive tax rate for calculating individual income tax:
Income
Progressive
Range ($)
Tax Rate
0 - 10,000
3%
10,001 - 50,000
5%
50,001 - 100,000
5.5%
Calculate the state income tax owed on a $40,000
per year salary.
tax = $[?]
Round your answer to the nearest whole dollar amount.
The state income tax owed on a $40,000 per year salary is $1,500.
We have,
To calculate the state income tax owed on a $40,000 per year salary, we need to use the progressive tax rate table given in the problem.
Since $40,000 falls within the income range of $10,001 to $50,000, the tax rate that applies is 5%.
The amount of income that falls within this range.
= $40,000 - $10,000
= $30,000.
So we can calculate the tax owed on this income as:
tax = 5% x $30,000
= 5/100 x 30,000
= $1,500
Therefore,
The state income tax owed on a $40,000 per year salary is $1,500.
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Answer: 1,800
Step-by-step explanation:
A number y decreased. By 10
Answer:
y-10
Step-by-step explanation:
Which measurements could create more than one triangle?
A. A triangle with angles measuring 50° and 80° and an included side
measuring 6 inches
B. A triangle with sides measuring 6 inches, 10 inches, and 14 inches
C. A triangle with sides measuring 7 inches, 10 inches, and 20 inches
D. A triangle with sides measuring 18 mm and 21 mm and a
nonincluded angle measuring 55°
Answer:
B??
Step-by-step explanation:
Sorry if i'm wrong! :(
Answer:
D
Step-by-step explanation:
i just took the test:)
Kayla read 12 1/2 pages on Friday. she did 3/4 of her reading before dinner. how many pages did she read before dinner (equation)
Answer:
Number of pages Kayla read before dinner = \(9\frac{3}{8}\) pages
Step-by-step explanation:
Given:
Total number of pages Kayla read on Friday = \(12\frac{1}{2}\) = 25/2 pages
Number of pages Kayla read before dinner = [3/4][Total pages she read]
Find:
Number of pages Kayla read before dinner
Computation:
Number of pages Kayla read before dinner = [3/4][Total pages she read]
Number of pages Kayla read before dinner = [3/4][Number of pages Kayla read before dinner]
Number of pages Kayla read before dinner = [3/4][25/2]
Number of pages Kayla read before dinner = 75/8
Number of pages Kayla read before dinner = \(9\frac{3}{8}\) pages
find an equivalent equation in rectangular coordinates
r sin theta = 10
The equivalent equation of r sinθ = 10 in rectangular coordinates is y² + y⁴/x² - 100 = 0.
What are the rectangular coordinates?
The rectangular coordinates is calculated from the polar equation as follows;
r sinθ = 10
the conversion from polar to rectangular coordinates;
r² = x² + y²
r = √(x² + y²) ----- (1)
y/x = tanθ ------ (2)
r sinθ = 10
√(x² + y²)(y/x) = 10
(x² + y²)(y²/x²) = 100
y² + y⁴/x² = 100
y² + y⁴/x² - 100 = 0
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Find the surface area
Answer: 120 yds
Step-by-step explanation:
48+30+24+18+120 yds
NEED HELP! GIVING POINTS!
Answer:
b
Step-by-step explanation:
fairly certain it is b
The graph below shows the solution to which system of inequalities?
Help me please thank you so much if you did
Answer:
I just answed this question today!Your asnwer is 144.
Step-by-step explanation:
1:5:3
48 total.
Divide 48 and get 16
Multiply 16 x1
Multiply 16 x5
Multiply 16x 3
16:80:48
solve for x
(look at photo)
By definition of proportion, the value of x is,
⇒ x = 80
We have to given that;
In a triangle,
Perpendicular = 60
Now, By Pythagoras theorem we get;
60² = 36² + y²
3600 = 1296 + y²
y² = 3600 - 1296
y² = 2304
y = 48
Hence, By definition of proportion;
⇒ x / 48 = 60 / 36
⇒ x = 80
Thus, By definition of proportion, the value of x is,
⇒ x = 80
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Johnny combined 7/4 cups of pancake mix and 3/4 of a cup of water to
make pancake batter. If he uses 1/4 of a cup of batter to make each
pancake, how many pancakes can Johnny make from his batter?
CAN U PLS PUT STEP BY STEP PLS?
Answer:
10
Step-by-step explanation:
in total there are 10/4 mixture so if one pancake is 1/4 10 pancakes can be made
125
Solve for <1.
41 = [?]
21
37°
88°
Answer:
<1+125=180°{linear pair}
<1=180-125
<1=55
What percent of all children like the Simpsons? Round your answer to the nearest tenth of a percent. Type a numerical answer.
Answer:
0.3
Step-by-step explanation:
You know the total amount of children like simpsons are 90, and the total can be calculated by adding the 100+110+90 to get the total amount of children in all groups. You then can divide 90 by 300 to get the percent.
Hope this helps!
I think that chart is a bit overdue or inaccurate xd
-4 (4x + 12)= -2(8x+24)
A car company is designing a car that uses 12% less steel than
its current model. If the current model uses 1,500 pounds of
steel, how much steel will the new car model use?
Answer:
180 pound
Step-by-step explanation:
percentage:the value of 12%
12% of 1500 pounds12/100 × 150018,000/100180much steel will the new car model use is 180 pound
y=-6x-7 7x+y=-3 substitution
By substitution; x = 4 and y = -31
What is an equation?An equation is a mathematical statement that shows that two mathematical expressions are equal. It shows the relationship of equality between the expression written on the left side with the expression written on the right side. Equations can be solved to find the value of an unknown variable representing an unknown quantity.
y=-6x-7 --- 1
7x+y=-3 --- 2
Substituting y as 6x - 7 in equation 2
7x + (-6x - 7) = -3
7x - 6x - 7 = -3
x - 7 = -3
x = -3 + 7
x = 4
Substitute x as 4 in equation 1
y = -6x - 7
y = -6(4) - 7
y = -24 - 7
y = -31
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if £1 = 0.864 Lt, work out the amount, to the nearest penny , that 1 Lt is worth
Answer:
\(1\ Lt = \pounds 1.157\)
Step-by-step explanation:
Given
\(\pounds 1 = 0.864\ Lt\)
Required
Determine the worth of 1 Lt
\(\pounds 1 = 0.864\ Lt\)
Divide both sides by 0.864
\(\pounds \frac{1}{0.864} = \frac{0.864}{0.864}\ Lt\)
\(\pounds \frac{1}{0.864} = 1\ Lt\)
\(1\ Lt = \pounds \frac{1}{0.864}\)
\(1\ Lt = \pounds 1.157\) -- approximated
A croissant shop produces two products: bear claws (B) and almond-filled croissants (C). Each bear claw requires 6 ounces of flour, 1 ounce of yeast, and 2 TS of almond paste. An almond-filled croissant requires 3 ounces of flour, 1 ounce of yeast, and 4 TS of almond paste. The company has 6600 ounces of flour, 1400 ounces of yeast, and 4800 TS of almond paste available for today's production run. Bear claw profits are 20 cents each, and almond-filled croissant profits are 30 cents each. What is the optimal daily profit?
a. B = 400; C = 1000; Max Z = $380
b. B = 500; C = 900; Max Z = $350
c. B = 250; C = 1500; Max Z = 425
d. B = 300; C = 750; Min Z = $380
Answer:
x₁ = 400 x₂ = 1000
z(max) = 380 $
Step-by-step explanation:
Production:
Flour yeast Almond paste Profit $
Bear claws B (x₁) 6 ou 1 ou 2 TS 0.2
Almond-filled ( x₂) 3 ou 1 ou 4 TS 0.3
Availability 6600 1400 4800
The Model:
z = 0.2*x₁ + 0.3*x₂ to maximize
Subject to
1.-Quantity of flour 6600 ou
6*x₁ + 3*x₂ ≤ 6600
2.-Quantity of yeast 1400 ou
1*x₁ + 1*x₂ ≤ 1400
3.-Quantity of Almond paste 4800 TS
2*x₁ + 4*x₂ ≤ 4800
General constraints:
x₁ ≤ 0 x₂ ≤ 0 both integers
After 6 iterations using an on-line solver. Optimal solution is:
x₁ = 400 x₂ = 1000
z(max) = 380 $