The numbers of games that makes the total cost, including a pair of rental shoes, less at bowling alley A is;
Bowling alley A: 5 or more games.
How to solve inequality word problems?Bowling alley A;
Their charges per game is $4 per game
Charges to rent shoes is $3.75
If number of games is x, then we have;
Total Cost = 3.75 + 4x
Bowling alley B;
Their charges per game is $4.50 per game
Charges to rent shoes is $2.50
If number of games is x, then we have;
Total Cost = 2.5 + 4.5x
Now, for the total cost, including a pair of rental shoes, less at bowling alley A, it means that;
2.5 + 4.5x > 3.75 + 4x
Rearrange to get like terms gives;
4.5x - 4x > 3.75 - 2.5
0.4x > 1.25
x > 1.25/0.4
x > 3.125
Thus, the numbers of games that makes the total cost, including a pair of rental shoes, less at bowling alley A is;
Bowling alley A: 5 or more games.
B) Bowling alley A increases the cost per game by $0.50. Thus, the inequality is now;
3.75 + 4.5x > 2.5 + 4.5x
This means that the total cost will now always be greater at Bowling alley A
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Carlos and Shawn are selling fruit for a school fundraiser. Customers can buy small boxes of oranges and large boxes of oranges. Carlos sold 13 small boxes of oranges and 5 large boxes of oranges for a total of $133. Shawn sold 10 small boxes of oranges and 8 large boxes of oranges for a total of $148. Find the cost of each of one small box of oranges and one large box of oranges.
Answer: The cost of one small box of oranges is $6, while the cost of one large box of oranges is $11.
Step-by-step explanation:
First, set x for the cost of one small box of oranges in dollars, and y for the cost of one large box of oranges in dollars.
Hence, the equations will be:
[tex]13x+5y=133[/tex]
[tex]10x+8y=148[/tex]
Then solve for the equations using the method of elimination. In order to eliminate one of the variables, you need to make the coefficients the same. So, we can multiply the first equation by 8 and the second equation by 5. That would make the equations:
[tex]104x+40y=1064[/tex]
[tex]50x+40y=740[/tex]
Then you can eliminate the y by subtracting.
[tex]54x = 324[/tex]
Then divide by 54 on both sides.
[tex]x=6[/tex]
Now that x is solved, solve for y by substituting for x.
[tex]13(6) + 5y = 133[/tex]
[tex]5y+78=133[/tex]
[tex]5y=55[/tex]
[tex]y=11[/tex]
So, x=6 and y=11.
If P=5+7+9+11+...+101 and Q=9+11+13+15+...+103 are sums of arithmetic sequences, determine which
is greater, P or Q, and by how much.
In the sequence, Q is greater by 115.
How to calculate the value?From the information, P=5+7+9+11+...+101 and Q=9+11+13+15+...+103.
It should be noted that by looking at the figures the greater value will be Q as it began with a higher number.
The difference will be:
= 5 + 7 + 103
= 115
Therefore, in the sequence, Q is greater by 115.
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A pizza parlor is considering adding taco pizza and Hawaiian pizza to its menu. It surveyed a group of potential customers to find out what they thought, and the results of the survey are shown in the bar graph below, with the percentage of respondents favoring the addition of each pizza shown above the corresponding bar.
They should sell 106 taco pizzas in a day.
What is percentage?A percentage is a number or ratio expressed as a fraction of 100.
Given that, a pizza parlour is considering adding taco pizza and Hawaiian pizza to its menu, it surveyed a group of potential customers to find out what they thought,
They are making 78% of taco pizzas and 135 pizzas a day.
78% of 135 = 135*78 /100 = 106
Hence, They should sell 106 taco pizzas in a day.
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100 Points and Brainliest
Given the following function equations, state all of the transformations present on the graph of f(x)
4f(x-1)
-f(2x)
f(-x)+2
Answer:
Step-by-step explanation:
If x
1
=2 ,y
1
=
16
3
dx
dy
=(2.2
−2x
−2
−x
)ln2
(
dx
dy
)
x=2
=
8
1
−
4
1
=−
8
1
ln2=m
(x−x
1
)m=y−y
1
(x−2)(−
8
1
ln2)=y−
16
3
(2ln2)x+16y−3−4ln2=0 is the tangent at the point with abscissa
′
2
′
the question is on the screenshot
Answer:
I believe it's option 3, because you multiply 3 by 4, and get 12
Step-by-step explanation:
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!
2/3x=6
a. x=9
b. x=4
c. x=18
d. x=12
option (a) x = 9
Step-by-step explanation:
2/3x = 6
2x = 18
x = 18/2
x = 9.
The length of a rectangle is nine more than twice the width. Write a simplified expression that could be used to find the perimeter of the rectangle
The expression for the perimeter of the rectangle whose length of a rectangle is nine more than twice the width is 6x + 18.
Let the width of the rectangle be x units.
According to the given question.
The length of a rectangle is nine more than twice the width.
⇒ Length of the rectangle = 9 + 2x
As we know that, the perimeter formula for a rectangle states that P = (L + W) × 2, where P represents perimeter, L represents length, and W represents width.
Therefore, the expression for the perimeter of the rectangle whose length of a rectangle is nine more than twice the width
= 2[x + (9 + 2x)]
= 2[ x + 2x + 9]
= 2[ 3x + 9]
= 6x + 18
Hence, the expression for the perimeter of the rectangle whose length of a rectangle is nine more than twice the width is 6x + 18.
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evaluate the expression 3 to the third power multiplied by 12-2 divided by 2 iready
Three friends want to buy a DVD that costs $17.49, including tax. The friends agree to pay an equal amount. Each friend will pay??
help meee!!!!
Answer:
5.83
Step-by-step explanation:
You just divide the total amount by 3
Answer:
Each will pay $5.83
Step-by-step explanation:
Helppppppppppppppppppppppppppp
List 5 questions you would ask if your conducting a parent teacher conference ik its not math but i need help i will mark brainlest
Find the equation of the line whose slope is -3 and which passes through the point (-5, 3).
y = 3x + 12
y=-3x - 12
y=-3x - 18
y=-3x + 8
A science class has a total of 47 students. The number of males is 11 more than the number of females. How many males and how many females are in the
class?
Number of males:
Number of females:
Answer:
number of males: 29
Number of females: 18
Step-by-step explanation:
X=number of females
X+11=number of males
X+X+11=47
2X+11=47
2X=47-11
2X=36
X=36/2
X=18
So number of females = 18
X+11=18+11=29
So number of males = 29
27. If Q is the midpoint of PR, find the coordinates of R if
P (3,-5) and Q (-1,2)?
Answer: -5,9
Step-by-step explanation:
What’s the distance between A and B
A= (-3,-4)
B= (4,5)
A) square root of 256
B) square root of 130
C) Square root of 82
D) square root of 32
Answer:
C
bacause the root is 82 and it's not that far
In Ms. Block's class 8 students share a box of cherries equally. Each of them receives 9 cherries. There are
then 6 cherries left over. How many cherries were there altogether in the box?
Answer: 78
Step-by-step explanation:
first, you multiply 8 by 9 then you get 72, and then you can add the leftover cherries with 72 so 72 + 6 = 78
Answer:
Step-by-step explanation:
78
Given: Triangle ABC
Prove: mA = 64°
A
(4x)
B
(90)
C
(x+10)
For the given triangle ABC, the value of angle A = 64°.
What is defined as the triangle?A triangle is a two-dimensional closed shape. It has three sides and is a polygon. Straight lines make up all of the sides. The vertex is the intersection of two straight lines. As a result, the triangle does have three vertices. Each vertex creates an angle.A triangle is made up of three angles. These angles are made up of two triangle sides meeting at a main point recognized as the vertex. The total of all 3 interior angles is 180 degrees.For the given ΔABC;
∠A = 4x
∠B = 90
∠C = x + 10
By the sum of angles of triangle property;
∠A + ∠B +∠C = 180
Substitute the values;
4x + 90 + x + 10 = 180
Simplifying the equation;
5x = 180 - 100
5x = 80
x = 16
Put the value of x in angle A.
∠A = 4x
∠A = 4×16
∠A = 64°
Therefore, the value of angle A is found as 64°.
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What is the sum of -1 + (-3)
Answer:
-4.
Step-by-step explanation:
When you add two negatives together it stays a negative. So the answer is -4.
C. describe how you could compare the corresponding sides and angles of figure STUV and its image, figure WXUY
Both the diagrams; figure STUV and its image, figure WXUY are congruent to each other.
What exactly is congruence?If two images are precisely the same in terms of length, width, and height, they are congruent.If one geometric figure can be superimposed on another so that their total area coincides, a certain geometric figure is considered to be congruent or to be situated in the reference of congruence.For the given two diagrams;
WXUY image to mirror STUV
If we rotate the STUV anticlockwise so that side UV coincides with side UY, then side ST≅ WX side TU ≅ side XU, side UY≅ side UV, side YW≅ side VS will be equal, as will angle S≅W, TUV≅XUV, X≅T, and Y≅V will be equal.
Therefore, the side corresponds to the area side ST≅ WX side of TU ≅ side XU, side UY≅ side UV, side YW≅ side VS, and the angle S≅W, TUV≅XUV, X≅T, and Y≅V".
Thus, the given two diagram figure STUV and image, figure WXUY are congruent to each other.
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Find a linear function h, given h(7
)equalsnegative 10
and h(negative 2
)equals8.
Then find h(3
)
The linear function of h is h(x) = -2x -13 and the values of h(3) = -19.
Two point form is a method for finding the equation of a function if two of its points are known. If (x1, y1) and (x2, y2) are the two points then equation of the function is given as-
(y - y1) = {(y1 - y2)/ (x1 - x2)} (x - x1)
Here, we are given that h(7) = -10 and h(-2) = 8
This, means that (7, -10) and (-2, 8) will satisfy the given function
Since, we have two points, we will use the two point form to find the equation of function h.
Substituting, x1 = 7, y1 = -10, x2 = -2 and y2 = 8 in the two point form equation we get-
( y - 7) = {(-10 - 8) / (7 + 2)} (x + 10)
y - 7 = (-18/9) (x + 10)
y - 7 = -2(x + 10)
y - 7 = -2x -20
y = -2x -20 + 7
y = -2x -13
Thus, h(x) = -2x -13
Hence, h(3) = -2(3) -13
= -6 -13
= -19
Therefore, h(3) = -19
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What is the product of 6+3i and its conjugate
Answer:
45
Step-by-step explanation:
You want the product of 6+3i and its conjugate.
ConjugateThe conjugate of a complex number is created by reversing the sign of the imaginary part.
(6 +3i)* = 6 -3i
Product of squaresThe product of a complex number and its conjugate is recognizable as the factored form of the difference of squares:
(6 +3i)(6 -3i) = (6)² -(3i)²
Of course, i² = -1, so this becomes ...
6² -(3i)² = 36 -(-9) = 36 +9 = 45
The product of 6+3i and its conjugate is 45.
__
Additional comment
The product of a complex number and its conjugate is the sum of the squares of the magnitudes of the real and imaginary parts. It is always a real number. This fact is used to simplify expressions involving complex numbers.
A line passes through the point point (-6, -5) and has a slope of - 4/3. Write an equation in slope-intercept firm for this line.
The equation in slope-intercept firm for this line is y = -4/3x - 13
What are linear equations?Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient
How to determine the linear equation?The given parameters are
Slope, m = -4/3
Point (x1, y1) = (-6, -5)
The linear equation is calculated as
y = m(x - x1) + y1
So, we have
y = -4/3(x + 6) - 5
Open the bracket
y = -4/3x - 8 - 5
Evaluate the difference
y = -4/3x - 13
Hence, the equation in slope-intercept firm for this line is y = -4/3x - 13
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art sculpture composed of 3,880 craft sticks and 960 pieces of balsa wood. What is the ratio of craft sticks to balsa wood?
Answer:
3880 ÷ 960 = 4.041
ratio = 4:1
What is:
2 x 4 + 3 - 8 ÷ 1 x 6 + 4 - 11
Answer:
-44
Step-by-step explanation:
2 x 4 + 3 - 8 ÷ 1 x 6 + 4 - 11=-44
Hope this helps!
Answer:
-44
Step-by-step explanation:
4.
Juan was competing in a 1000 meter
race. He had to pull out of the race after
running 3/4 of it. How many meters did
he run?
Answer:14
Step-by-step explanation:
Step-by-step explanation:
B is the midpoint of AC, in other words it is the halfway point.
So A to B should be equal to B to C
Our expression is:
2x + 9 = 37
Subtract 9
2x = 28
Divide by 2
x = 14
Answer:
750
Step-by-step explanation:
3/4 is 75%
Juan did 75% of the 1000 meters meaning he did 750
To get the answer u just do (3/4)*1000 and you get 750
Trying to find the inverse of a the function:
s(t) = - 85 - 7t
--------
10
The inverse function of the function is s'1(t) = 1/7(10t + 85)
What are inverse functions?Inverse functions are the opposite of an original equation.
This means that for a function f(x), the inverse of the function f(x) is f-(x); it also represents the opposite function
How to determine the inverse functions?The function f(x) is given as
s(t) = -(85 - 7t)/10
As a general rule, we start by writing s(t) as a variable (say s(t) = s).
So, the equation of the function becomes
s = -(85 - 7t)/10
The next step is to switch/swap the positions of s and t in the above equation s = -(85 - 7t)/10
The equation becomes
t = -(85 - 7s)/10
The next step is to make s the subject of the formula in the above equation t = -(85 - 7s)/10
The equation becomes
10t = -(85 - 7s)
Open the bracket
10t = -85 + 7s
So, we have
7s = 10t + 85
Divide by 7
s = 1/7(10t + 85)
Express as an inverse function
s'1(t) = 1/7(10t + 85)
Hence, the inverse function of the function is s'1(t) = 1/7(10t + 85)
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Betsy, a recent retiree, requires $6,000 per year in extra income. She has $60,000 to invest and can invest in B-rated bonds paying 13% per year or in a certificate of deposit (CD) paying 5% per year. How much money should be invested in each to realize exactly $6,000 in interest per year?
$37,500 should be invested in B-rated bonds and $22,500 should be invested in a certificate of deposit in order to realize exactly $6,000 in interest per year.
The total amount to be invested is $60,000. We are given two options for investing the money.The money can be invested either in B-rated bonds, which pays 13% interest per year, or in a certificate of deposit (CD), which pays 5% interest per year.Let the amount to be invested in B-rated bonds be 'x'. The amount to be invested in a certificate of deposit equals 60,000-x. The requirement is to get an exact amount of interest that equals $6000. The total interest per year = 13% of 'x' + 5% of (60,000-x).6,000 = 13x/100 + 5(60,000-x)/100.6,00,000 = 13x + 5(60,000-x)6,00,000 = 13x + 300,000-5x6,00,000 = 8x + 300,0008x = 300,000x = 300,000/8x = 37,500Now calculate the value of 60,000-x.60,000-x = 60,000-37,50060,000-x = 22,500Thus, the amount to be invested in B-rated bonds is $37,500 and the amount to be invested in a certificate of deposit is $22,500.To learn more about interest, visit :
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Tony is hoping to find a job in management with an annual salary of $37,297. What will be his monthly pay rounded to the nearest cent?
Answer:
$3,108.08 per month
Step-by-step explanation:
Calculator shows the answer as 3,108.0833 with the 33 repeating. Rounding to the nearest cent (100ths place) gives $3,108.08
Tina Charlie and Amber have Matchbox cars each car has 4 wheels . how many wheels do their cars have altogether .
Answer:
I think its 12
Step-by-step explanation:
I think its 12 bc 4+4+4=12 Sorry if its wrong! ):)
Stretch
1. John has 15 bills in his wallet that total $145. He has a mix of five-dollar bills, ten-dollar bills, and twenty-
dollar bills. The number of ten-dollar bills is one less than twice the number of twenty-dollar bills.
a. Write a system of three linear equations in three variables to represent this situation. Be sure to
define your variables.
b. How many of each denomination does John have in his wallet? Solve this system using Gaussian
elimination.
John has 7 five-dollar bills, 5 ten-dollar bills and 3 twenty-dollar bills.
Total number of bills with John = 15
Total money with John = $145
John has a mix of $5, $10 and $20 bills
Let the number of $5 bills be x, $10 bills are y and $20 bills be z
Formulating the equations:
5x + 10y + 20z = 145-------(1)
x + y + z = 15--------(2)
As per the question, the number of ten dollar bills is one less than twice the number of twenty dollar bills:
y = 2z - 1
Putting y = 2z-1 in equating (1) and (2) we get:
5x + 10(2z-1) + 20z = 145
5x + 20z - 10 + 20z = 145
5x + 40z = 155--------(3)
x + y + z = 15
x + 2z - 1 + z = 15
x + 3z = 16--------(4)
Multiplying equation (4) with 5 and using Gaussian Elimination to equate (3) and (4)
5x + 40z = 155
5x + 15z = 80
25z = 75
z = 3
Putting z=3 in (4) we get
x = 7 and y = 5
So, John has 7 five-dollar bills, 5 ten-dollar bills and 3 twenty-dollar bills.
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