Given- The rectangle that represents the base of right rectangular prism
To find - The volume of the prism.
Explanation- we know that the volume of the right rectangular prism is product of area of rectangle and the height
Area of rectangle is [tex](lb)[/tex]
length (l) = 4.2
breadth = 3
area = 4.2×3=12.6
Volume of prism = 12.6 × height =12.6×6=75.6
Hence the volume of the prism is 75.6 in^3
Final answer - The correct option is D.
- Two dry cleaning companies offer a home pick-up and delivery service. The monthly cost depends on the number of garments laundered, and is shown in the following table.
Number of Garments
5
10
15
Company 1
$55.25
$75.50
$95.75
Company 2
$31.25
$57.50
$83.75
The ordered pair representing the point where both companies would charge the same amount is (25, 136.25).
When would both companies charge the same amount?
From the given table, we can form the following equation for monthly cost of each company.
Company 1, the function for the monthly cost is;
(5, $55.25 ) and (10, $75.5). Let the monthly cost = y₁
(y₁ - 55.25 )/(x - 5) = ( 75.5 - 55.25 )/ (10 - 5)
y₁ = 4.05x + 35
Company 2, the function for the monthly cost is;
(5, $31.25 ) and (10, $57.5). Let the monthly cost = y₂
(y₂- 31.25 )/(x - 5) = ( 57.5 - 31.25 )/ (10 - 5)
y₂ = 5.25x + 5
To find the point where both companies charge the same amount, we need to set their costs equal to each other and solve for the number of garments, x:
y₁ = y₂
4.05x + 35 = 5.25x + 5
Subtracting 4.05x and 5 from both sides:
30 = 1.2x
Dividing both sides by 1.2:
x = 25
So both companies would charge the same amount when 25 garments are laundered. T
To find the cost, we can plug x = 25 into either equation:
y₁ = 4.05(25) + 35 = 136.25
y₂ = 5.25(25) + 5 = 136.25
Ordered pair = (25, 136.25)
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The complete question is below:
Two dry cleaning companies offer a home pick-up and delivery service. The monthly cost depends on the number of garments laundered, and is shown in the following table.
Number of Garments Company 1 Company 2
5 $55.25 $31.25
10 $75.50 $57.50
15 $95.75 $83.75
Determine when both companies would charge the same amount and what that cost would be. Write your answer as an ordered with x representing the number of garments and y representing the cost.
NEED THIS DUE BY TODAY!!
1) The volume of the first rectangular prism is 175 ft³
2) The volume of the second rectangular prism is 60ft³
3) The volume of the third rectangular prism 140ft³
4) The volume of the Fourth rectangular prism 216ft³
What is the rationale for the above response?Note that in order to find the volume of area of a complex figure, you must deconstruct it into manageable proportions.
Shape 1 above, we deconstructed the rectangular prism into two 3 dimensional shapes with the following metrics:
a)
Length = 7ft
Height = 2ft
widht = 2ft
Volume = Volume = 7ft x 2ft x 2ft
Volume = 28 ft³
b)
Length = 7ft
Height = 3ft
width = 7ft
Volume = 147 ft³
Total Volume = 28 ft³ + 147 ft³
Volume for Shape 1 = 175 ft³
Shape 2 above, we deconstructed the rectangular prism into two 3-dimensional shapes with the following metrics:
a) Length = 3ft
Height = 2ft
width = 1ft
Volume = 6 ft³
b) Length = 6ft
Height = 3ft
width = 3ft
Volume = 54 ft³
Thus, total volume for shape 2 is:
Volume = 6 + 54
Volume = 40 ft³
Shape 3, above, we deconstructed the rectangular prism into two 3-dimensional shapes with the following metrics:
a) Length = 7ft
Height = 1ft
width = 2ft
Volume = 14ft³
b)
Length = 7ft
Height = 3ft
width = 6ft
Volume = 126ft³
Thus, the total volume fior shape 3, =
Volume = 14ft³ + 126ft³
Volume = 140ft³
Shape 4, above, we deconstructed the rectangular prism into two 3-dimensional shapes with the following metrics:
a) Length = 4ft
Height = 3ft
width = 2ft
Volume = 24 ft³
b) Length = 4ft
Height = 12ft
width = 4ft
Volume = 192 ft³
Thus, the total volume for Shape 4:
Volume = 24 ft³+ 192 ft³
Volume = 216ft³
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The Clarke's son suggests that they rent a car that costs $250 for the week plus $0.22c/km. Their daughter does not want to drive far, so she suggests a car that is only $96 for the week but $0.50/km.
a) Write an equation to represent the cost of the car suggested by the son
b) Write an equation to represent the cost of the car suggest by the daughter
c) When will the two cars cost the same? Used the method of elimination to solve.
d) If the Clarke's plan to drive 500km, which option is less expensive?
Answer: a) The equation to represent the cost of the car suggested by the son is:
C1 = 250 + 0.22k
where C1 represents the total cost of renting the car, and k represents the number of kilometers driven.
b) The equation to represent the cost of the car suggested by the daughter is:
C2 = 96 + 0.5k
where C2 represents the total cost of renting the car, and k represents the number of kilometers driven.
c) To find when the two cars cost the same, we need to solve the equation:
C1 = C2
Substituting the expressions for C1 and C2 from parts a and b, we get:
250 + 0.22k = 96 + 0.5k
Simplifying this equation, we get:
0.28k = 154
Dividing both sides by 0.28, we get:
k = 550
Therefore, the two cars cost the same when the number of kilometers driven is 550.
d) If the Clarke's plan to drive 500km, we can calculate the total cost for each car by substituting k=500 into the equations from parts a and b:
C1 = 250 + 0.22(500) = 360
C2 = 96 + 0.5(500) = 346
Therefore, the car suggested by the daughter is less expensive for a 500km trip, as it would cost $346 compared to $360 for the car suggested by the son.
Step-by-step explanation:
i need help asap it is homework
Answer:
See below.
Step-by-step explanation:
Hello!
The topic we should review for this problem is Order of Operations.
What is Order of Operations?
Order of Operations is a rule that identifies which part of an equation should be simplified first.
You might've heard of PEMDAS, where;
P for Parentheses, always first unless there's an exponent inside.
E for Exponent, simplified after the Parentheses.
M or D - Multiplication or Division after the Exponent(s).
A or S - Addition or Subtraction after Multiplication or Division.
[tex](5+3^2)+18[/tex]
First we know that there's an Exponent inside the Parentheses, so we must evaluate that number first.
[tex](5+9)+18[/tex]
Next, evaluate what's in the Parentheses.
[tex]14+18\\32[/tex]
Our correct answer is 32.
We are asked what mistake did Raquel make, and what's the correct simplified version of the expression.
1a.) Raquel's mistake is combining unlike terms. It's impossible to combine together a natural number (5) and an exponential number. (3²)
1b.) The correct simplified version of the expression is represented here;
[tex](5+9)+18\\(First \ Step)[/tex]
Write each amount as rate
500 words in one minute
Answer:
500 words per minute.
Step-by-step explanation:
Write the set using the roster method.
Set D is the set of positive two-digit even numbers greater than 74
that do not contain the digit 8
.
The set using Roster method is, D = {76, 90, 92, 94, 96}
What is Roster Method?The roster technique is defined as a method for displaying the elements of a set by listing the elements within brackets.
A roster method example is to write the set of numbers from 1 to 10 as
{1, 2, 3, 4, 5, 6, 7, 8, 9, and 10}.
Given:
Set D is the set of positive two-digit even numbers greater than 74
that do not contain the digit 8
First, Even numbers greater than 74 are
76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98.
Now, Even Number doe not contain 8 are 76, 90, 92, 94, 96.
Using Roster method the set is
D= {76, 90, 92, 94, 96}
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Assume a class has 20 members. In how many ways can a committee of three be chosen?
As a result, there are 1140 different methods to select a committee of three from a group of 20 people.
what is probability ?The study of random occurrences or phenomena falls under the category of probability, which is a branch of mathematics. It is a way to gauge how likely something is to happen. Probability is expressed as a number between 0 and 1, with 0 denoting that the occurrence won't happen and 1 denoting that it will definitely happen. By dividing the number of favourable outcomes by the total number of possible outcomes, one can determine the probability of an occurrence. Numerous disciplines, including statistics, finance, engineering, and science, use probability extensively to forecast the chance of an event happening and base decisions on that forecast.
given
The following combination formula determines how many options there are to select a committee of three from a class of 20 members:
C(20, 3) = 20! / (3! * (20-3)!) = 20 * 19 * 18 / (3 * 2 * 1) = 1140
As a result, there are 1140 different methods to select a committee of three from a group of 20 people.
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Find the area of the figure.
Answer:
16yd
Step-by-step explanation:
I am from Michigan thank me this is really easy you nerd
This is funny helping you big people as a kid.
What is the least possible probability in any experiment
Answer:
0
Step-by-step explanation:
I remember learning this in math class. The smallest possible probability is zero meaning that event can't happen to be true.
6+2*6+20/4 can someone please answer this
The order of operations (also known as BODMAS) should be used to evaluate this expression:
6 + 2*6 + 20/4 = 6 + 12 + 5 = 23
So the answer is 23.
5. 100 people have food for 20 days at the rate 2kg per person per day. If 20 people left, how long will the food last if they eat (a) 2kg per person daily? (b) 1.8 kg per person daily?
Answer:
25
Step-by-step explanation:
let the no of days food avl for eat be X .
according to question...
100/80=X/20
=X × 80 = 100×20
=80x =2000
= x =2000/80
x=25 days
What is the equation of the line in slope-intercept form? (0,3) (-5,0)
In slope-intercept form, the line's equation is y = (3/5)x + 3.
What sort of equation would that be?The definition of the an equation in algebra is a mathematical assertion that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.
What does a basic equation mean?A formula that describes how two expressions on either side of a sign are connected. It typically has an equal sign and one variable. similar to this: 2x − 4 Equals 2.
[tex]m=\frac{y2-y1}{x2-x1}[/tex]
Where (x1, y1) = (0, 3) and (x2, y2) = (-5, 0)
m = (0 - 3) / (-5 - 0) = 3/5
To estimate the y-intercept, we just found the intersection of two endpoints just on line (0, 3):
[tex]y=mx+b[/tex]
[tex]3=(\frac{3}{5} )(0)+b[/tex]
[tex]b=3[/tex]
So the equation of the line in slope-intercept form is: [tex]y=(\frac{3}{5}x )+3[/tex]
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100 POINTS!!!! ILL GIVE BRAINLEIST. What is true when two proper fractions are multiplied together?
The product will be larger than both factors.
The product will be larger than the smaller factor but smaller than the larger factor.
The product will be smaller than both factors.
The product will be an improper fraction.
Answer:
When two proper fractions are multiplied together, the product will be smaller than both factors.
Step-by-step explanation:
To understand why this is true, we can consider the concept of fractions as parts of a whole. When we multiply two proper fractions, we are essentially taking a part of a part, which results in a smaller portion overall.For example, if we multiply 1/2 by 2/3, we are taking half of something and then taking two-thirds of that half. The result is 1/3, which is smaller than both 1/2 and 2/3.Therefore, the correct answer is: The product will be smaller than both factors.
Answer:The product will be smaller than both factors.
When two proper fractions are multiplied together The product will be smaller than both factors.Take a look at the equation below.
¾ * ⅔= 3 times 2 is 6 and 4 times 3 is 12. So the equation is 6/12 .
6/12 is simplified to 1/2. 1/2 is less than both 2/3 and 3/4. Which means the product is smaller. Hence, the correct answer is the product will be smaller than both factors.
I hope this helped & Good Luck <3!!!!
50 POINTS. if needed rotate in top right corner
The length of the side of the square would be 12 inches.
What is a Square?A square is a two-dimensional plane object in geometry that has four equal sides and four equal but 90° angles. The characteristics of a rectangle and a square are somewhat similar, although a rectangle only has its opposite sides equal. As a result, a rectangle is only referred to as a square if its four sides are of the same length.
Given : side of the triangle = 16 inches
So, the perimeter of the triangle = 16+16+16
= 48 inches
Now, the wire is unbent and shaped into a square.
So, the length of the wire would be same.
Hence, we can say that:
Perimeter of triangle = perimeter of square
48 = 4 × side
So, side = 12 inches.
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Brainliest for correct answer
What's the value of X and Y?
(Need answers SUPER fast, please and ty!)
Answer:
x = 9/4 y = 15/4
Step-by-step explanation:
In 6th grade you likely solved which one is a better buy problems?
Consider: $68/10 tickets or $15/2 tickets
Which one is a better buy? How do you know?
$68/10 is better to buy as price of one ticket will be $6.8 which is less than that of $7.5 for other ticket.
Explain about the unit value?The appraisal of a single item or part within one group is known as unit value.
The unit value is typically the result of dividing the price or worth of a set of things by the total number of items.The unit price is the cost of a single object or measuring unit, which can be a pound, a kilogramme, or a pint, and it's utilized to compare the prices of similar products offered in various weights and quantities. Selling more than one unit of the same product at a discount from its unit price is known as multiple pricing.So,
$68/10 tickets = 68/10
$68/10 tickets = $6.8 for each ticket.
Now,
$15/2 tickets = 15/2
$15/2 tickets = $7.5 for each ticket.
Thus, $68/10 is better to buy as price of one ticket will be $6.8 which is less than that of $7.5 for other ticket.
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Given: AD ~/= BC and AD || BC. Prove: ABCD is a parallelogram.
Answer:
Its a parallelogram because it has two sets of equal sides.
(let me know if I have to explain it more)
Find the slope of the line shown below?
The shape below is a rhombus.
a) Which side is parallel to PQ?
b) Which angle is the same size as angle
QRS?
P
S
R
RS is Parallel to PQ and ∠ P has the same size as ∠ QRS. We find the answer by knowing the definition of Rhombus.
What is a rhombus?Rhombus is a special case of a parallelogram having four equal sides and opposite equal acute and obtuse angles . The term "equilateral quadrilateral" refers to a quadrilateral whose sides all have equal lengths i.e. Rhombus.
In mathematics, a parallelogram is a simple (non-self-intersecting) quadrilateral with two sets of parallel sides.
a. RS is Parallel to PQ
b. ∠ P has the same size as ∠ QRS
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f(a) = 3a +5
g(a)=a²-4
Find f(-7) - g(-7)
The composite function when evaluated is -61
How to evaluate the composite functionFrom the question, we have the following functions that can be used in our computation:
f(a) = 3a +5
g(a)=a²-4
Using the above as a guide, we have the following equations
f(-7) = 3(-7) +5 = -16
g(-7) = (-7)²- 4 = 45
So, we have
f(-7) - g(-7) = -16 - 45
Evaluate
f(-7) - g(-7) = - 61
Hence, the solution is -61
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Find the values of x and y.
The value of x and y in the triangle are 0 and 4 respectively.
How to find the side of a triangle?The mid segment of a triangle is a line connecting the midpoints between two sides of a triangle. The mid segment theorem states that the midsegment connecting the midpoints of two sides of a triangle is parallel to the third side of the triangle, and the length of this midsegment is half the length of the third side .
Therefore,
x + 2 = 3 / 2 x + 2
x - 3 / 2 x = 2 - 2
-0.5x = 0
x = 0
Let's find y
2y - 1 = 3y - 5
2y - 3y = -5 + 1
-y = -4
y = 4
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You decide that the all-white rectangular wall in your living room needs some color. You plan to paint a diagonal stripe to break up the white paint. If the wall measures 9 feet tall by 12 feet wide, what length of diagonal stripe will you paint?
Answer:
15 ft
Step-by-step explanation:
Use the Pythagorean theorem.
9² + 12² = c²
c² = 225
c = √225 = 15
Answer: 15 ft
Answer:
15 feet
Step-by-step explanation:
So, to start we have to find the area of the wall.
9(12)=108
Now, we need to find half of the walls area
108/2=54
We have our length and height, but we need to find the hypotenuse using Pythagoreans theorem.
9 is our A and 12 is our B
a^2+b^2=c^2
81+144=c^2
c^2=225
The square root of 225 is 15.
C=15
Therefore, the stripe will be 15 feet.
What is the volume of the triangular prism?
PLS HELP!!
Answer:
20cm³
Step-by-step explanation:
Volume = Base x Height
1/2 x 5 x 2 x 4
=20cm³
The question is in the photo
The value of y, given that Triangle FEG is similar to Triangle IHJ is 10.
How to find the value of y ?Seeing as Triangle FEG is similar to Triangle IHJ, we can assume that angle EGF is the same as angle HJ1.
This means that 5 y + 8 is equal to 58 degrees.
The value of y is therefore :
5 y + 8 = 58
5 y = 50 - 8
y = ( 50 - 8 ) / 5
y = 50 / 5
y = 10
In conclusion, given the two similar triangles and the angles EGF and HJI, the value of y can be found to be 10.
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Select the graph that represents the solution of the compound inequality –6 ≤ 4x + 6 < 14
By answering the above question, we may state that The range of -3 x 2 inequality is the answer to the compound inequality.
What is inequality?A connection between two expressions or values that is not equal in mathematics is referred to as an inequality. Hence, inequity results from imbalance. In mathematics, an inequality establishes the connection between two non-equal numbers. Egality and inequality are not the same. Use the not equal symbol most frequently when two values are not equal (). Values of any size can be contrasted using a variety of inequalities. By changing the two sides until just the variables are left, many straightforward inequalities may be solved. Nonetheless, a variety of factors support inequality: Both sides' negative values are split or added. Exchange the left and the right.
We must first remove 6 from each of the three elements of the compound inequality -6 4x + 6 14 in order to arrive at the following result:
-6 - 6 ≤ 4x < 14 - 6
If we simplify, we get:
-12 ≤ 4x < 8
Then, we divide each of the three inequality components by 4, keeping in mind that we don't need to reverse the inequality's signs because 4 is positive, to arrive at:
-3 ≤ x < 2
The range of -3 x 2 is the answer to the compound inequality.
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Solve for x. Leave as an improper fraction. 5 = 3x + 9
Answer:
x = -4/3
Step-by-step explanation:
hope this helps^^
2. Is AP'Q'R' a 180° rotation about the origin of APQR?
Explain.
4
t
2
20
2
d
P
R
2 4
4.
R
à x*
8
It should be noted that AP'Q'R' a 180° rotation about the origin of APQR.
How to explain the rotationIt should be noted that to perform a 180° rotation about the origin, one has to draw the original figure and label its coordinates and draw the origin and label it O.
One can also use the following formula to find the coordinates of the image of a point (x,y) after a 180° rotation about the origin:
(x', y') = (-x, -y)
Here, P'Q'R' represents the coordinates of the image of the point PQR. We simply take the negative of the original x and y coordinates to find the new coordinates after the rotation.
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What is the value of cos^-1 (-square root 3/2)
Answer:
Step-by-step explanation:
The value of cos^-1(-sqrt(3)/2) is -π/6 or -30 degrees.
We know that cos^-1(x) gives the angle whose cosine is x, in the range [0, π]. In this case, we are looking for the angle whose cosine is -sqrt(3)/2.
Recall that the cosine function is negative in the second and third quadrants of the unit circle. In the second quadrant, the reference angle whose cosine is sqrt(3)/2 is π/6 or 30 degrees, but the cosine function is negative in this quadrant. Therefore, the angle whose cosine is -sqrt(3)/2 is -π/6 or -30 degrees, which is in the fourth quadrant.
So, cos^-1(-sqrt(3)/2) = -π/6 or -30 degrees.
Please help me I would appreciate it.
use the Remainder Theorem and synthetic division please
Answer:
f (3) = 142
Step-by-step explanation:
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