Answers
1) 25%of50=$12.5. 50-12.5=37.5
2)20%of21=$4.2. 21-4.2=16.8
3)5%of12=$0.6. 12-0.6=11.4
HOPE THIS HELPED!!!
Answer:
1. $37.50
2.$16.80
3. 0.41
Step-by-step explanation:
Related Questions
Find the value of z.
Answers
2z = 15
z = 7.5
Anwar bought 5 books for rupees 25 and Deepak bought 8 books for Rs 240 who bought the books at a lower price
pls help me fast
Answers
Answer:
Anwar
Step-by-step explanation:
Find the price of one book
Anwar- Rs. 25÷ 5 = Rs 5 for one book
Deepak- Rs 240 ÷ 8 = Rs 30 for one book
Therefore Anwar bought the books at a lower price
If a cuboid weighs 100N has sides 5cm by 10cm. Find the area of the cuboid
Answers
If a cuboid weighs 100N and has sides 5cm by 10cm, then the area of cuboid is 0.005m².
Weight of the cuboid = 100N
Sides of the cuboid = 5cm by 10cm
A solid structure or a three-dimensional shape in geometry is called a cuboid. It is similar to a cube in that a cuboid can become a cube by changing the angles between faces or the lengths of the edges. A convex polyhedron with the same polyhedral graph as a cube is referred to as a cuboid in mathematics.
Calculating the area of the Cuboid -
= 5cm × 10cm
= 50cm²
Converting -
Area of Cuboid
= 50/10000 m²
= 0.005 m²
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if there are four possible outcomes how many logical tests are required
Answers
If there are four possible outcomes, only two logical tests are required. They are often used in if-else statements and loops to control program flow. Understanding logical tests is essential for anyone who wants to learn programming or problem-solving.
Logical tests are used to determine whether a certain condition is true or false. In this case, with four possible outcomes, we need to test each outcome against another outcome. For example, we can test Outcome 1 against Outcome 2, Outcome 1 against Outcome 3, Outcome 1 against Outcome 4, Outcome 2 against Outcome 3, Outcome 2 against Outcome 4, and Outcome 3 against Outcome 4.
Logical tests are a fundamental concept in computer programming and problem-solving. They are used to evaluate conditions and make decisions based on the results. In some cases, logical tests can be used to determine the number of possible outcomes in a given situation. For example, if there are four possible outcomes, we can use logical tests to determine how many tests are required to cover all possibilities. In this case, we need to test each outcome against another outcome to see if they are different. This gives us a total of six tests. However, we can eliminate half of these tests because they are duplicates. Therefore, we only need to perform two logical tests to cover all four possible outcomes. Logical tests are commonly used in computer programming to evaluate conditions and make decisions based on the results.
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A house plan has concrete stairs leading down into the garage. How much concrete is needed to make the stairs? 3 ft 2 ft 8 ft 5 ft [? ] ft ³ 2 ft 8 ft 1 ft
Answers
The amount of concrete needed to make the stairs that leads to the garage is 64 cubic feet
Calculating the amount of concrete needed to make the stairs?The missing information is added as an attachment
The concrete needed to make the stairs is the volume of the stairs and this is calculated using
Volume = Base area * Height
Where
Base area = 3 * 2 + 2 * 1
Base area = 8
And
Height = 8
So, we have
Volume = 8 * 8
Evaluate
Volume = 64
Hence, the amount needed is 64 cubic feet
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Two students have different ways to calculate (0.25)⋅(0.044) as a decimal. Show, in detail, how each student might compute this product. (upload your work when complete) Elena says, "I find 25⋅44 and then move the decimal point." Diego says, "0.25 is the same as 1/4, so I found 1/4 of 0.044."
Answers
Answer:
(0.25)⋅(0.044) = 0.011
Step-by-step explanation:
Two students have different ways to calculate (0.25)⋅(0.044) as a decimal.
Show, in detail, how each student might compute this product. (upload your work when complete)
We are given:
(0.25)⋅(0.044)
= 0.25 × 0.044
a) For Elena
Elena says, "I find 25⋅ 4.4 and then move the decimal point."
What Elena did was she multiplied both
number by 100
= (0.25 × 100) × (0.044 × 100)
We add up the decimal points from 0.25 and 0.044 = 5
Hence, the answer we get in step 1 is divided by 100000 in other it move the brackets
(0.25 × 100) × (0.044 × 100)/100000
= 0.011
b) For Diego
Diego says, "0.25 is the same as 1/4, so I found 1/4 of 0.044."
Diego converted 0.25 to fraction
= 0.25 × 100/100
= 25/100 = 1/4
Since, (0.25)⋅(0.044)
= 0.25 × 0.044
Then:
1/4 of 0.044
= 1/4 × 0.044
= 0.011
To investigate, a researcher measures the heights and metacarpal lengths of 200 adults. In making the scatterplot, the researcher should:
Answers
To investigate, a researcher measures the heights and metacarpal lengths of 200 adults. In making the scatterplot, the researcher should ensure that the scales on the x-axis and y-axis are the same.
The scatter plot is a graphical representation of the relationship between two variables. The heights and metacarpal lengths of the 200 adults are two variables, and a scatterplot can be used to illustrate their connection.
When making a scatterplot, the researcher should make sure that the scales on the x-axis and y-axis are identical. This way, each point on the plot reflects an accurate representation of the relationship between the two variables. The scatter plot is used to examine the association between two continuous variables. The horizontal axis represents the values of one variable, while the vertical axis represents the values of the other variable.
In summary, when making a scatter plot, the researcher should ensure that the scales on the x-axis and y-axis are the same. The horizontal axis shows the values of one variable, while the vertical axis shows the values of the other variable.
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Need help in this pls
Answers
Answer:
6
Step-by-step explanation:
The arc length is (2)(pi)(27)(40/360)=6pi.
So, k=6.
In the diagram below of triangle MNOP, P is the midpoint of MO and Q is the midpoint of NO. If PQ=5x+62 and MN=6x-4, what is the measure of PQ
Answers
The measure of length PQ will be 22 units.
What is the mid-point theorem?A triangle's third side is stated to be parallel to the line segment uniting its two midpoints, and it is also half as long as the third side.
Given:
PQ = 5x + 62, and MN = 6x-4
Now, using Mid- Point Theorem
PQ= 1/2 MN
-5x+ 62 = 1/2( 6x - 4)
-5x+ 62 = 3x - 2
-5x- 3x = -2 - 62
-8x = -64
x= 8
PQ= 5x+ 62 = -5(8) + 62 = -40 + 62 = 22
Hence, the measure of PQ is 22 units.
The missing image is attached below.
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zilldiffeqmodap11 7.3.027. my notes ask your teacher practice another use the laplace transform to solve the given initial-value problem. y'' − 6y' 13y = 0, y(0) = 0, y'(0) = −7
Answers
To solve the initial-value problem using the Laplace transform, we start by taking the Laplace transform of the given differential equation and applying the initial conditions.
Taking the Laplace transform of y'' - 6y' + 13y = 0, we have:
s^2Y(s) - sy(0) - y'(0) - 6(sY(s) - y(0)) + 13Y(s) = 0,
Substituting y(0) = 0 and y'(0) = -7, we have:
s^2Y(s) + 6sY(s) + 13Y(s) + 7 = 0.
Now, we can solve for Y(s):
Y(s)(s^2 + 6s + 13) = -7,
Y(s) = -7 / (s^2 + 6s + 13).
To find the inverse Laplace transform of Y(s), we can use partial fraction decomposition or look up the inverse Laplace transform in tables. In this case, the denominator s^2 + 6s + 13 is irreducible and does not factor further.
Using the inverse Laplace transform table, we find that the inverse Laplace transform of Y(s) is given by:
y(t) = -7e^(-3t) sin(2t).
Therefore, the solution to the initial-value problem y'' - 6y' + 13y = 0, y(0) = 0, y'(0) = -7 is:
y(t) = -7e^(-3t) sin(2t).
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Using suitable identity, find the value of 87^3+ 13^3/
87^2 −87 ×13 + 13^2
Answers
The value of the given expression [\(87^3+ 13^3/87^2 -87 * 13 + 13^2\)] by simplifying the numerator and denominator using suitable identities is 100.
We will first calculate the numerator:
As (\(a^3\) + \(b^3\)) = (a + b)(\(a^2\) - ab + \(b^2\)) :
\(87^3\) + \(13^3\) = (87 + 13)(\(87^2\) - \(87 * 13\) + \(13^2\))
= 100(\(87^2\) - 87 * 13 + \(13^2\))
Now, calculate the denominator:
\(87^2 - 87 * 13 + 13^2\)
As,(\(a^2 -2ab +b^2\)) =\((a - b)^2\):
\(87^2 - 87 * 13 + 13^2 = (87 - 13)^2\)
\(= 74^2\)
So by solving the equation further:
\((87^3+13^3) / (87^2- 87 * 13+13^2) = 100*(87^2- 87 *13 + 13^2)/(87^2 - 87 * 13 + 13^2)\)
As we can see the numerator and denominator are the same expressions (\(87^2 - 87 * 13 + 13^2\)). so, they cancel each other:
\((87^3 + 13^3) / (87^2 - 87 * 13 + 13^2) = 100\)
So, the value of the given expression is 100.
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3. Jasmine saved the money she earned at her job over two weeks. Jasmine saved $110 during Week 2. Jasmine saved 5 times more during Week 2 than Week 1. How much did Jasmine save during week 1? can someone help me really please
Answers
Answer:
$22
Step-by-step explanation:
If Jasmine saved 110 during week 2, and this was 5 times more than in week 1, then in week 1 she saved 110/5 = 22 ($)
hello! help please ?
Answers
Answer:
d
Step-by-step explanation:
the graph of using step by step
Answer:
x = 9.32
Step-by-step explanation:
use the angles strategy
Let f(x) belong to F[x], where F is a field. Let a be a zero of f(x) of multiplicity n, and write f(x)=((x^2)-a)^2 *q(x). If b Z a is a zero of q(x), show that b has the same multiplicity as a zero of q(x) as it does for f(x). (This exercise is referred to in this chapter.)
Answers
This result shows that the multiplicity of a zero is preserved when factoring a polynomial and considering its sub-polynomials.
To show that b has the same multiplicity as a zero of q(x) as it does for f(x), we need to consider the factorization of f(x) and q(x).
Given:
f(x) = ((x^2) - a)^2 * q(x)
Let's assume a zero of f(x) is a, and its multiplicity is n. This means that (x - a) is a factor of f(x) that appears n times. So we can write:
f(x) = (x - a)^n * h(x)
where h(x) is a polynomial that does not have (x - a) as a factor.
Now, we can substitute f(x) in the equation for q(x):
((x^2) - a)^2 * q(x) = (x - a)^n * h(x)
Since ((x^2) - a)^2 is a perfect square, we can rewrite it as:
((x - √a)^2 * (x + √a)^2)
Substituting this in the equation:
((x - √a)^2 * (x + √a)^2) * q(x) = (x - a)^n * h(x)
Now, if we let b be a zero of q(x), it means that q(b) = 0. Let's consider the factorization of q(x) around b:
q(x) = (x - b)^m * r(x)
where r(x) is a polynomial that does not have (x - b) as a factor, and m is the multiplicity of b as a zero of q(x).
Substituting this in the equation:
((x - √a)^2 * (x + √a)^2) * ((x - b)^m * r(x)) = (x - a)^n * h(x)
Expanding both sides:
((x - √a)^2 * (x + √a)^2) * (x - b)^m * r(x) = (x - a)^n * h(x)
Now, we can see that the left side contains factors (x - b) and (x + b) due to the square terms, as well as the (x - b)^m term. The right side contains factors (x - a) raised to the power of n.
For b to be a zero of q(x), the left side of the equation must equal zero. This means that the factors (x - b) and (x + b) are cancelled out, leaving only the (x - b)^m term on the left side.
Therefore, we can conclude that b has the same multiplicity (m) as a zero of q(x) as it does for f(x).
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Your friend wants to mark her favorite campsite on the map. She knows that the campsite is 65 miles north of her town. What distance on the map (in inches) represents an actual distance of 65 miles
Answers
To solve this problem, we simply need to convert the distance
Conversion of UnitsLike we already established earlier, we just need to convert the distance unit from miles to inches
But given that
\(1mi = 63360in\)
Let us find how many inches will be in 65 miles.
In this case, simply multiply 65 by 63360 to find the actual distance in inches.
\(65 * 63360 = 4118400in\)
The distance on her map will be 4118400 inches on her map.
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A bag contains 3 black, 2 white marbles, and 4 gray marbles. A marble Is replaced before picking a second marble. Whats the probability of selecting gray marble?
Answers
The value of the probability of selecting gray marble is,
⇒ 4 / 9
We have to given that;
A bag contains 3 black, 2 white marbles, and 4 gray marbles.
And, A marble Is replaced before picking a second marble.
Hence, We get;
Total marbles = 3 + 2 + 4
= 9
And, Number of gray marbles = 4
Thus, The value of the probability of selecting gray marble is,
⇒ 4 / 9
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the cost of 7 toys is 294 find the cost of 2 toys
Answers
Answer: 84
Step-by-step explanation:
1) 294 ÷ 7 = 42
2) 42 × 2 = 84
There are 8 squares and 10 triangles. What is the simplest ratio of squares to triangles?.
Answers
Answer: 4:5
Step-by-step explanation: The lowest form
Answer:
Step-by-step explanation:
4:5
Find the value of x to make the following equation true.(3^2)^3 x 3^x = (3^7x3^3)/3^11Ax = 1Bx=-7сX = 8DX = -6
Answers
Given the expression:
\((3^2)^3\cdot3^x=\frac{3^7\cdot3^3}{3^{11}}\)notice that on the left side, if we simplify, we have the following:
\((3^2)^3\cdot3^x=3^6\cdot3^x=3^{x+6}\)and on the right side, we have:
\(\frac{3^7\cdot3^3}{3^{11}}=\frac{3^{7+3}}{3^{11}}=\frac{3^{10}}{3^{11}}=3^{10-11}=3^{-1}\)then, if we equate both expression we have that:
\(3^{x+6}=3^{-1}\)then, this must mean that the exponents are equal. This means the following:
\(x+6=-1\)solving for x we get:
\(\begin{gathered} x+6=-1 \\ \Rightarrow x=-1-6=-7 \\ x=-7 \end{gathered}\)therefore, x = -7
The process of finding similarities and differences between a new problem and another problem that has already been solved in order to make predictions is called ____________ recognition. (7 letters)
Answers
The process of finding similarities and differences between a new problem and another problem that has already been solved in order to make predictions is called is "analogous" recognition.
An explanation of this process is that it involves identifying commonalities and differences between two problems and then using that knowledge to inform a solution for the new problem. By recognizing the similarities between the two problems, we can make predictions about how the new problem may be solved.
analogous recognition is an important problem-solving technique that helps us to apply past knowledge and experiences to new situations. By finding similarities and differences between problems, we can make informed predictions and find effective solutions.
The term you are looking for is "analogy."
Analogy recognition is the process of finding similarities and differences between a new problem and a previously solved problem in order to make predictions. This cognitive strategy helps in problem-solving by using prior knowledge and experiences as a guide.
In summary, the 7-letter term that describes the process of finding similarities and differences between a new problem and a solved problem to make predictions is "analogy."
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Point s is on line segment rt. given rt = 19 and rs = 6, determine the length st
Answers
Under the consideration of collinearity of two line segments, the length of the line segment ST is equal to 13.
What is the length of a line segment collinear to another line segment?
According to the statement seen in this question, the line segments RT and ST are collinear to each other. Mathematically speaking, the length of the line segment ST can be found by using the following formula:
RT = RS + ST
ST = RT - RS
ST = 19 - 6
ST = 13
Under the consideration of collinearity of two line segments, the length of the line segment ST is equal to 13.
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Please answer the question
Answers
Answer:
$13.2
$113.20
Step-by-step explanation:
Simple interest for the fourth year = 13.20 ( 3.30 - 4)
New amount in the bank acount for 4th year = 100+ (3.30 x4) = 113.20
Hope this helps
The Chambers family has a net monthly income of $6,500.
A circle graph titled Chambers Family Budget. Housing is 25 percent, Food is 20 percent, Savings is 7 percent, Transportation is 12 percent, medical is 10 percent, clothing is 18 percent, emergency fund is 8 percent.
If the family decides to reduce its clothing budget by $200 a month, how much will the new clothing budget be? Round to the nearest dollar.
$161
$853
$970
$1,170.
Answers
Answer:
B.) $970
Step-by-step explanation:
The person above me is correct and I did the quiz.
ill mark brainlist pllsss helpp
Answers
Answer:
54mi.
Step-by-step explanation:
multiply 84 x 9 = 756
divide 756/14 = 54
Answer:
It is the second option
Step-by-step explanation:
Click on the photo for explanation
Consider an equation of a circle given (x-3)² + (y+7)² = 4 What is the center of the circle?
Answers
Answer:
(3,-7)
Step-by-step explanation:
Step 1: Draw a Chord Across the Circle. Draw a line across the circle near the edge so it cuts the circumference in two places. ...
Step 2: Find the Mid Point of the Chord. ...
Step 3: Repeat Step 2 for Another Chord. ...
Step 4: Use More Chords for Accuracy.
Brandon take a rectangular piece of fabric and make a diagonal cut from one corner to the oppoite corner. The cut he make i 13 inche long and the width of the fabric i 5 inche. What i the fabric' length?
Answers
The length of the fabric which Brandon formed a rectangle, is 11 inches.
To find the length of the fabric, we can use the Pythagorean theorem. The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.
In this case, the length of the fabric is one of the other two sides, and the diagonal cut is the hypotenuse. So, we can write the equation:
\(L^2 + 5^2 = 13^2\)
where L is the length of the fabric.
Solving for L, we get:
\(L^2 = 144 - 25 = 119, and L =\sqrt{119} = 11.\)
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3x-y=18
-2y=-6x-120
solve the system of equations!
show your work!! :)
Answers
The system is inconsistent.
The two lines are parallel and never intersect.
====================================================
Work Shown:
Solving the 1st equation for y.
3x-y=18
-y=18-3x
y = -(18-3x)
y = -18+3x
y = 3x-18
Plugging that into the other equation to solve for x.
-2y=-6x-120
-2(y)=-6x-120
-2(3x-18)=-6x-120
-6x+36=-6x-120
-6x+6x=-120-36
0x = -156
0 = -156
We arrive at a false statement.
Therefore, this system has no solutions
The system is inconsistent.
If you were to use a graphing tool like Desmos or GeoGebra, then you'll see the two lines are parallel. They never intersect to form a solution.
A pair of socks costs $2.50 originally. The price is reduced to $1.75. What is the percent change?
Answers
｡☆✼★ ━━━━━━━━━━━━━━ ☾
% change = difference / original x 100
% change = (0.75 / 2.5) x 100
% change = 30%
It was a 30% change
Have A Nice Day ❤
Stay Brainly! ヅ
- Ally ✧
｡☆✼★ ━━━━━━━━━━━━━━ ☾
Answer:
They are 30% less
Step-by-step explanation:
2.5:100=0.75:x
develop a class shapes 2d to represent all 2d geometric shapes excluding line. class should represent the name of the object (a string) the color of the objects (color) and methods that all subclasses should implement (abstract methods) including:
Answers
This is the UML diagram for the development of the program, in which Shapes 2D is the superclass and Circle, Square, Triangle, Rectangle, Rhombus, and Parallelogram are subclasses.
This is the program in C++ demonstrating the above classes.
#include<iostream>
using namespace std;
class shapes
{
public:
string name;
string color;
virtual void getAttributes()=0;
};
class Circle: public shapes
{
public:
float radius;
Circle(string n,string c, float r)
{
name=n;
color=c;
radius=r;
}
float getPerimeter()
{
return(2*(3.142)*radius);
}
float getArea()
{
return((3.142)*(radius*radius));
}
void getAttributes()
{
cout<<"Name :"<<name<<endl;
cout<<"Color :"<<color<<endl;
}
};
class Square:public shapes
{
public:
float side;
Square(string n,string c, float s)
{
name=n;
color=c;
side=s;
}
float getPerimeter()
{
return(4*side);
}
float getArea()
{
return(side*side);
}
void getAttributes()
{
cout<<"Name :"<<name<<endl;
cout<<"Color :"<<color<<endl;
}
};
class Triangle:public shapes
{
public:
float base;
float height;
float side1;
float side2;
float side3;
Triangle(string n,string c)
{
name=n;
color=c;
}
float getPerimeter()
{
cout<<"Enter side1\n";
cin>>side1;
cout<<"Enter side2\n";
cin>>side2;
cout<<"Enter side3\n";
cin>>side3;
return(side1+side2+side3);
}
float getArea()
{
cout<<"Enter base\n";
cin>>base;
cout<<"Enter height\n";
cin>>height;
return((0.5)*base*height);
}
void getAttributes()
{
cout<<"Name :"<<name<<endl;
cout<<"Color :"<<color<<endl;
}
};
class Rectangle:public shapes
{
public:
float length;
float breadth;
Rectangle(string n,string c, float l,float b)
{
name=n;
color=c;
length=l;
breadth=b;
}
float getPerimeter()
{
return(2*(length+breadth));
}
float getArea()
{
return(length*breadth);
}
void getAttributes()
{
cout<<"Name :"<<name<<endl;
cout<<"Color :"<<color<<endl;
}
};
class Rhombus:public shapes
{
public:
float diagonal1;
float diagonal2;
float side;
Rhombus(string n,string c)
{
name=n;
color=c;
}
float getPerimeter()
{
cout<<"Enter Side\n";
cin>>side;
return(4*side);
}
float getArea()
{
cout<<"Enter diagonal 1\n";
cin>>diagonal1;
cout<<"Enter diagonal 2\n";
cin>>diagonal2;
return((0.5)*diagonal1*diagonal2);
}
void getAttributes()
{
cout<<"Name :"<<name<<endl;
cout<<"Color :"<<color<<endl;
}
};
class Parallelogram:public shapes
{
public:
float base;
float height;
Parallelogram(string n,string c, float b,float h)
{
name=n;
color=c;
base=b;
height=h;
}
float getPerimeter()
{
return(2*(base+height));
}
float getArea()
{
return(base*height);
}
void getAttributes()
{
cout<<"Name :"<<name<<endl;
cout<<"Color :"<<color<<endl;
}
};
int main()
{
int choice;
while(1)
{
cout<<"\n\nEnter your choice :";
cout<<"\n1 for Circle\n";
cout<<"2 for Square\n";
cout<<"3 for Triangle\n";
cout<<"4 for Rectangle\n";
cout<<"5 for Rhombus\n";
cout<<"6 for Parallelogram\n";
cin>>choice;
system("cls");
switch(choice)
{
case 1:
{
float r;
cout<<"Enter radius\n";
cin>>r;
Circle c("Circle","Yellow",r);
c.getAttributes();
cout<<"Perimeter : "<<c.getPerimeter()<<endl;
cout<<"Area : "<<c.getArea()<<endl;
}break;
case 2:
{
float side;
cout<<"Enter side\n";
cin>>side;
Square s("Square","Red",side);
s.getAttributes();
cout<<"Perimeter : "<<s.getPerimeter()<<endl;
cout<<"Area : "<<s.getArea()<<endl;
}break;
case 3:
{
Triangle t("Triangle","Green");
t.getAttributes();
cout<<"Perimeter : "<<t.getPerimeter()<<endl;
cout<<"Area : "<<t.getArea()<<endl;
}break;
case 4:
{
float l,b;
cout<<"Enter Length and breadth\n";
cin>>l>>b;
Rectangle r("Rectangle","Blue",l,b);
r.getAttributes();
cout<<"Perimeter : "<<r.getPerimeter()<<endl;
cout<<"Area : "<<r.getArea()<<endl;
}break;
case 5:
{
Rhombus r("Rhombus","Purple");
r.getAttributes();
cout<<"Perimeter : "<<r.getPerimeter()<<endl;
cout<<"Area : "<<r.getArea()<<endl;
}break;
case 6:
{
float b,h;
cout<<"Enter base\n";
cin>>b;
cout<<"Enter height\n";
cin>>h;
Parallelogram p("Parallelogram","Pink",b,h);
p.getAttributes();
cout<<"Perimeter : "<<p.getPerimeter()<<endl;
cout<<"Area : "<<p.getArea()<<endl;
}break;
}
}
}
To learn more about objects and classes,
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Help can you teach me step by step how to solve this
Answers
Answer:
x+51°=180°
or,x=180°-51°
x=129°