Ms. O'Rourke has graded 20% of her 150 students'
papers. How many papers does she still need to finish
grading?

Answer:

Y e s

Step-by-step explanation:

all the time

I gotta mop the ocean now ;-;

excoose meh

The third graph is the correct representation of the function f(x) = (x - 3\()^{2}\).

What is a function?

A mathematically defined statement, rule, or law that describes the relationship between two independent variables and one dependent variable is called a function.

We are given a function as f(x) = (x - 3\()^{2}\). Along with this, we are also given four different graphs of which one is the correct representation of the function.

Since, the given function is a square function so, it will form a parabola.

So, on the coordinate plane, a parabola opens up which has a vertex at (3, 0), and goes through (1,4) and (5, 4).

Hence, the third graph is the correct representation of the function

f(x) = (x - 3\()^{2}\).

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We can compute AB, BA, and C2 by multiplying the corresponding matrices A, B, and C. We must multiply the rows of one matrix by the columns of another matrix.

A =  \(\left[\begin{array}{ccc} a11 &a12 &a13\\ a21 &a22 &a23\\ a31 & a32 &a33\end{array}\right]\)

B =  \(\left[\begin{array}{ccc}b11 &b12& b13\\b21 & b22 & b23\\ b31 &b32 &b33\end{array}\right]\)

C =   \(\left[\begin{array}{ccc} c11 & c12 & c13\\ c21 &c22 & c23\\ c31 &c32 &c33\end{array}\right]\)

We must compute AB, BA and C2 by multiplying the rows of matrix A and B, and the rows of matrix C with the columns of the corresponding matrices. After performing these calculations, we will get the results for each matrix. In order to compute AB, BA and C2, we must multiply the corresponding matrices A, B, and C. For AB, we must multiply the rows of matrix A by the columns of matrix B. For BA, we must multiply the rows of matrix B by the columns of matrix A. For C2, we must multiply the rows of matrix C by the columns of matrix C. After performing these calculations, we will arrive at the results for each matrix.

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In response to the aforementioned query, we may say that D is equal to equation sqrt((3 - 3)2 + (-8 - 2)2 = sqrt(0 + (-10)2) = sqrt(100) = 10. As a result, it takes 10 units to get from position X to point Y.

A mathematical equation links two statements and utilises the equals sign (=) to indicate equality. In algebra, an equation is a mathematical assertion that proves the equality of two mathematical expressions. For instance, in the equation 3x + 5 = 14, the equal sign separates the numbers by a gap. A mathematical formula may be used to determine how the two sentences on either side of a letter relate to one another. The logo and the particular piece of software are usually identical. like, for instance, 2x - 4 = 2.

The distance formula may be used to determine the separation between two points:

Sqrt((x2 - x1) + (y2 - y1)) = sqrt(d)

where d is the distance between the two locations, and (x1, y1) and (x2, y2) are the coordinates of the two points.

We may get the separation between points X at (3, 2) and Y at (3, -8), using the following formula:

D is equal to sqrt((3 - 3)2 + (-8 - 2)2 = sqrt(0 + (-10)2) = sqrt(100) = 10.

As a result, it takes 10 units to get from position X to point Y.

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Answer:

Frainkie is correct it takes $12.50

Step-by-step explanation:

37.50 divided by 3 to find out one wreath's cost which is 12.50

hope this helps

plz mark me brainliest.

Answer:

t=2.5d

Step-by-step explanation:

For every 5 minutes, the distance in laps is always 2.5x less
That is why I made the equation
t=2.5d
For every minute it will be distance x 2.5 to make it equal.

Answer:

enough is the correct worf

Answer:

Decreased I think because they bumped into the other person

Step-by-step explanation:

Answer:

increased

 i just heard my brother say it because he's in highschool. TwT

Answer:

10

Step-by-step explanation:

Remove parentheses.

|9+1|

Simplify  9+1  to 10.

|10|

simplify

10

YYYYYYYYYYYYYYEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSIIIIIIIIIIIIIIIIIIIIIIIIIRRRRRRRRRRRRRRRRRRRRRRRRR

Answer:

A.) Quadratic binomial

Step-by-step explanation:

The degree of 2 (x²) makes the polynomial quadratic. It is binomial because it contains 2 terms.

The polynomial is:

Solution:

We classify polynomials based on the number of terms and the degree,

monomial - 1 term

binomial - 2 terms

trinomial - 3 terms

polynomial - 4 terms or more

first

second (quadratic)

third (cubic)

fourth (quartic)

and so on.

\(\pmb{3x^2-7}\) has 2 terms. Its highest exponent is 2, so clearly, we have a quadratic binomial.

The F-test is used to compare two population variances and determine if they are significantly different from each other. When conducting an F-test, the null hypothesis states that the two population variances are equal, and the alternative hypothesis states that the variances are different.

In the given diagram, the F-statistic is calculated as 1.919 with a p-value of 0.063. Since the p-value is greater than 0.05, we fail to reject the null hypothesis and conclude that the variance in study time of Batch 1 is NOT significantly different than the variance in study time of Batch 2. Therefore, option (2) is the correct answer.

The Levene's test is used to determine if the variances of two populations are equal or not. If the p-value is greater than 0.05, we fail to reject the null hypothesis and conclude that the variances are equal. In the given diagram, the Levene's test statistic is calculated as 0.42 with a p-value of 0.74. Since the p-value is greater than 0.05, we fail to reject the null hypothesis and conclude that the variance in study time of Batch 1 is NOT significantly different than the variance in study time of Batch 2. Therefore, option (4) is incorrect.

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Jenny bought 11 yards of ribbons.

A stored-value card is a payment card with a monetary value stored on the card itself, not in an external account maintained by a financial institution.

Given that, Jenny got a prepaid debit card with $20 on it. For her first purchase with the card, she bought some bulk ribbon at a craft store. The price of the ribbon was 13 cents per yard. If after that purchase, there was 18.57 left on the card,

We need to find that how many yards of ribbon did Jenny buy,

The money spend on purchasing = 20-18.57 = $1.43

$1.43 = 143 cents

Therefore, Jenny bought ribbons for 143 cents

Since, the cost of the ribbon was 13 cents per yard, therefore,

The size of ribbon Jenny bought = 143 / 13

= 11 yards

Hence, Jenny bought 11 yards of ribbons.

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Answer:

6

Step-by-step explanation:

set x=0 and solve

(0+4)(0+2)=y

y=6

Answer:

Graph 1:

y-intercept =  7

Slope =  -1/2   <--- (It's a fraction) (-1 over 2)

Equation:  y = -1/2x + 7

________________________________

Graph 2:

y-intercept =  4

Slope =  5/6   <--- (It's a fraction) (5 over 6)

Equation:  y = 5/6x + 4

_________________________________

Graph 3:

y-intercept =  9

Slope =  -5/7   <--- (It's a fraction) (-5 over 7)

Equation:  y = -5/7x + 9

Hope this Helps  :)

one real eigenvalue. find this eigenvalue, its multiplicity, and the dimension of the corresponding eigenspace.

What is eigenvalue?

In linear algebra, an eigenvector or characteristic vector of a linear transformation is a nonzero vector that, when the linear transformation is applied to it, changes at most by a scalar factor. The factor by which the eigenvector is scaled is known as the associated eigenvalue, frequently denoted by lambda.

a) -4

b) 1

c) 1

Step-by-step explanation:

a) The matrix A is given by:

\(A=\left[\begin{array}{ccc}-3 & 0 & 1 \\2 & -4 & 2 \\-3 & -2 & 1\end{array}\right]\\\)

where lambda are the eigenvalues and I is the identity matrix. By replacing you obtain:

\(A-\lambda I=\left[\begin{array}{ccc}-3-\lambda & 0 & 1 \\2 & -4-\lambda & 2 \\-3 & -2 & 1-\lambda\end{array}\right]\)

and by taking the determinant:\(\begin{aligned}& {[(-3-\lambda)(-4-\lambda)(1-\lambda)+(0)(2)(-3)+(2)(-2)(1)]-[(1)(-4-\lambda)(-3)+(0)(2)(1-} \\& \lambda)+(2)(-2)(-3-\lambda)]=0 \\& -\lambda^3-6 \lambda^2-12 \lambda-16=0\end{aligned}\)

and the roots of this polynomial is:

\(\begin{aligned}& \lambda_1=-4 \\& \lambda_2=-1+i \sqrt{3} \\& \lambda_3=-1-i \sqrt{3}\end{aligned}\)

hence, the real eigenvalue of the matrix A is -4.

b) The multiplicity of the eigenvalue is 1.

c) The dimension of the eigenspace is 1 (because the multiplicity determines the dimension of the eigenspace)

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Complete Quetion

The matrix A= (−3 0 1, 2 −4 2, −3 −2 1) has one real eigenvalue. Find this eigenvalue, its multiplicity, and the dimension of the corresponding eigenspace. The eigen value = has multiplicity = and the dimension of the corresponding eigenspace is:_______.

The volume of the spherical beaker is 1436.76 cubic centimeters

In order to determine the volume the spherical beaker, you need the formula for the volume of a sphere.

The volume of sphere is given by the formula:

Volume of sphere = 4/3 πr³

where r is the radius of the sphere

Since the spherical beaker that measure 14 centimeters in diameter. The radius of the beaker will be:

radius = 14/2 = 7 cm

Volume of the spherical beaker =  4/3 × π × 7³

Volume of the spherical beaker = 1436.76 cubic centimeters

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Answer: 11 cupcakes were sold

Step-by-step explanation: You take the total amount of money $16.50 and divide it by the price of one cupcake $1.50 which gives you 11

9514 1404 393

Answer:

  B.  39°, 106°, 43°

Step-by-step explanation:

The sum of angle measures in a triangle is 180°. Then the sum of angle expressions will be 180.

  (3x +1) +(11x -4) +(5x -7) = 180

  19x -10 = 180 . . . . . collect terms

  19x = 190 . . . . . . . . add 10

  x = 10 . . . . . . . . . . . divide by 19

__

Then the three angle measures are ...

The appropriate choice is ...

  B.  31°, 106°, 43°

Answer:

The square root of 73

Step-by-step explanation:

The square root of 37 squared is 37

6^2=36

36+37=73

The square root of 73 is an irrational number, so just leave it as the square root of 73

Answer:

x = \(\sqrt{73}\)

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

x² = 6² + (\(\sqrt{37}\) )² = 36 + 37 = 73 ( take the square root of both sides )

x = \(\sqrt{73}\)

Answer:

0.375

Step-by-step explanation: All you need to do is divide 3 and 8

If R is an integral domain, we can deduce that the only solutions to the equation aoa = a are a = 0 and a = 1 by considering the properties of integral domains and applying the results obtained in previous parts.  

To prove that the operation o is associative, we need to show that (a o b) o c = a o (b o c) for all a, b, c ∈ R. By expanding the expressions and simplifying, we can demonstrate the associativity of o.

To show the existence of an element e ∈ R such that a o e = e o a = a for all a ∈ R, we can consider the multiplication table for the operation o in a small ring, such as Z₁. By examining the table and finding the appropriate element, we can prove this property.

Similarly, to find an element z ∈ R such that a o z = z o a = z for all a ∈ R, we can again analyze the multiplication table and identify the suitable element.

To prove that aoa = a if and only if a² = a in R, we need to show both directions of the statement. One direction involves expanding the expression and simplifying, while the other direction requires demonstrating that a² - a = 0 implies aoa = a.

Finally, if R is an integral domain, we can deduce that the only solutions to the equation aoa = a are a = 0 and a = 1 by considering the properties of integral domains and applying the results obtained in previous parts.

Overall, this problem involves performing various algebraic manipulations and using the properties of rings and integral domains to prove the given statements about the new operation o.

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The number of triangles for every 3 circles is given as follows:

C. 5.

The number of triangles for every 3 circles is obtained applying the proportions in the context of the problem.

From the figure, we have that:

Hence the number of triangles per circle is given as follows:

10/6 = 5/3.

Hence the number of triangles for 3 circles is given as follows:

3 x 5/3 = 5.

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Answer:

Length of A=6

Breadth of A=24/6=4

Length of B=6

Breadth of B=12/6=2

Step-by-step explanation:

Total surface area: 36

Ratio is 2:1

So, 2x + 1x = 36

3x=36

x=36/3

x=12

2*12=24

1*12=12

So areas are 24 and 12 respectively

Now, we can say that the sides of the square will be same, 6 cm

6*6=36

so the length of both rectangles will be 6

Hence we can divide each area by 6 and find the breadth.

Length of A=6

Breadth of A=24/6=4

Length of B=6

Breadth of B=12/6=2

Stay safe and stay cool

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Solution:

Given:

The numbers are represented on the number line below;

The distance between the numbers can be gotten by moving from one number to the other counting the number of steps taken.

Hence,

Therefore, the distance between the numbers on the number line is 17.

The maximum burn rate ∣ΔM/Δt∣ that the engine could reach before the ship's acceleration exceeded 5 g and its human occupants began to lose consciousness is approximately 51.0 kg/s.

Acceleration is directly proportional to the force acting on an object. In simple terms, if the force on an object is greater, then it will undergo more acceleration. However, there are limitations to the acceleration that can be tolerated by the human body. At about 5 g (49.0 m/s2) for more than a few seconds, an average person starts to lose consciousness. Let's use this information to answer the given question.

Let the maximum burn rate |ΔM/Δt| that the engine could reach before the ship's acceleration exceeded 5 g be x.

Let the mass of the spaceship be m and the exhaust speed of the engine be v.

Using the formula for the thrust of a rocket,

T = (mv)e

After substituting the given values into the formula for thrust, we get:

T = (3.00 × 104)(2.50 × 103) = 7.50 × 107 N

Therefore, the acceleration produced by the engine, a is given by the formula below:

F = ma

Therefore,

a = F/m= 7.50 × 107/3.00 × 104= 2.50 × 103 m/s²

The maximum burn rate that the engine could reach before the ship's acceleration exceeded 5 g is equal to the acceleration that would be produced by a maximum burn rate. Therefore,

x = a/5g= 2.50 × 103/(5 × 9.8)≈ 51.0 kg/s

Therefore, the maximum burn rate ∣ΔM/Δt∣ that the engine could reach before the ship's acceleration exceeded 5 g and its human occupants began to lose consciousness is approximately 51.0 kg/s.

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Answer:

50% duhh

Step-by-step explanation:

25% is also a equation

Answer:

6

Step-by-step explanation:

slope is rise/run

to get from -1 to 5 is 6 points

y axis to 1 is 1 point

6/1=6