One angle of an isosceles triangle measures 40°. What measures are possible for the other two angles? Choose all that apply.

40°
100°
20°
70°

The quotient of the expression 76 ÷ 6 is, 4

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

We have to given that;

⇒ 76 ÷ 6

Now, By using division calculation, we get;

   | 10     | 2   |

   |         |       |  4

6  | 60   | 16   |

   _________

Thus, We get;

The quotient of the expression 76 ÷ 6 is, 4

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The explanatory and response variables for each set of data:

a.  number of hours spent reading is response variable and page number on which you are reading is explanatory variable.

b. calories burned is response variable and number of minutes of exercising is explanatory variable.

c. amount paid as income tax is response variable and the amount of a paycheck is explanatory variable.

d. pounds of hamburger used to make a meatloaf is response variable and number of people that can be fed from the meatloaf is explanatory variable.

A variable in mathematics is a symbol that represents a mathematical object. A variable can be a number, a vector, a matrix, a function, its argument, a set, or an element of a set.

Here,

For each set of data, the explanatory and response variables are as follows:

a. the number of hours spent reading is the response variable, and the page number on which you are reading is the explanatory variable.

b. The response variable is calories burned, and the explanatory variable is the number of minutes spent exercising.

c. the amount of income tax paid is the response variable, and the amount of a paycheck is the explanatory variable.

The response variable is the number of pounds of hamburger used to make a meatloaf, and the explanatory variable is the number of people who can be fed from the meatloaf.

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The value of x will be 6, while the value of y will be 3 in the given pair of the ordered equation.

As we have,

The pair of equations as:

2x + 8y = 36 -----------------(i)

5x − 4y = 18 -----------------(ii)

From above,

We can see that in the first equation the coefficient of x is 2 while in the second one, the coefficient of x is 5.

So, for solving the given sets of equation we need to first equalise the co-efficient of x in both the equations.

So, to make the coefficient equal we will multiply the first equation by 5 and the second equation by 2.

Thus we will get the set of equations as:

10x+40y=180--------(iii)

10x-8y=36------------(iv)

From (iii) and (iv), Now subtracting the (iv) from (iii),

We will get it as:

48y = 144

y = (144/48) = 3

Now for getting the value of x, we will put the value of y in the first equation.

Thus, we will get it as:

2x+24=36

=>2x=12

=>x = (12/2)=6

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Answer:  P= mgh

Step-by-step explanation: Gravitational potential energy is the energy possessed or acquired by an object due to a change in its position when it is present in a gravitational field. It can be said that gravitational potential energy is an energy that is related to gravitational force or to gravity.

Therefore P= mgh

where m is the mass of an object

g is the acceleration due to gravity

h is the height of an object

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Answer: -7

Step-by-step explanation:

Use this equation to help your answer

April lost 5 pounds. -5
She lost 3 pounds -3
She gained 2 pounds +2
She lost 1 pound

Now in a formula, this is -5-3+2-1 = x
To find x we have to simplify
X = -7
Make sure to include the negative since she lost weight

I hope this helps you :D

Answer:Over the fur weeks April lost 7 pounds

Step-by-step explanation:5+3-2+1=7

A) One of the factors of the given function would be (x + 2).

B) The factored form of the function would be f(x) = (x+2)(x+1)(x-1).

C) The zeroes are -2, -1, and 1.

What is the cubic function?

A cubic function is a type of polynomial function with the highest degree of 3, meaning the highest power of the variable in the equation is 3. The general form of a cubic function is f(x) = ax³ + bx² + cx + d, where a, b, c, and d are real numbers and a is not equal to 0.

The given function f(x) = x³ + 9x² + 14x - 24
x     -2       -1       0      1       2
f(x)  -24     -30   -24   0     48

A) One factor of f(x) without using a calculator is (x+2) because, when x = -2, f(-2) = (-2)³ + 9(-2)² + 14(-2) - 24 = -24 and it's the same result as the table of values.

B) To completely factor f(x) without using a calculator we can use the rational root theorem. The rational root theorem states that if a polynomial function has rational roots, they must be of the form a/b, where a is a factor of the constant term (in this case -24) and b is a factor of the leading coefficient (in this case 1).

The factors of -24 are: -24, -12, -8, -6, -4, -3, -2, -1, 1, 2, 3, 4, 6, 8, 12, 24

The factors of 1 are: 1,-1

So, using the rational root theorem, we can test the values of x that are in the form of a/b where a is a factor of -24 and b is a factor of 1.

By testing x=-2, x=-1, x=1, we find that f(x) = (x+2)(x+1)(x-1)

C) To determine the zeros of f(x) without using a calculator, we can use the fact that a zero of a polynomial function is a value of x that makes the function equal to zero. Since we already factorized the polynomial, we know that the zeros are -2, -1, and 1.

Hence,

A) One of the factors of the given function would be (x + 2).

B) The factored form of the function would be f(x) = (x+2)(x+1)(x-1).

C) The zeroes are -2, -1, and 1.

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The perimeter of a 500-square-foot square is roughly 89.44 feet.

To calculate the perimeter, we must assume the room is square. We take the square root of the area to calculate the length of one side of a square:

√500 = 22.36 feet

As a result, each side of the square is roughly 22.36 feet long. 

To get the perimeter, multiply the length by four: 

22.36 feet × 4 = 89.44 feet.

This dimension is critical for establishing the quantity of baseboard and flooring required. To make the computation procedure easier, round the measurements to the closest foot. Cindy will be able to evaluate the cost and make an informed buying decision with the aid of this information.

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The question is -

Solve the following multiplying polynomials question: Cindy wants to buy flooring and baseboards for her office. She needs to know how much to buy. What is the perimeter of 500 square feet?

The equation of line is calculated and the value of y = 2

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line QR be represented as A

Let the equation of line ST be represented as B

Now , the lines QR is perpendicular to the line ST

And , the product of slopes of lines will be -1

Now , the coordinates of point Q ( 1 , -5 )

The coordinates of point R is R ( 4 , -6 )

The slope of the line QR m₁ = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope m₁ = ( -6 - ( -5 ) ) / ( 4 - 1 )

Slope m₁ = -1/3

Now , the coordinates of point S ( -6 , 5 )

The coordinates of point T is T ( -7 , y )

The slope of the line ST m₂ = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope m₂ = ( y - 5 ) / ( -7 - ( - 6 ) )

Slope m₂ = ( y - 5 ) / -1

Slope m₂ = ( 5 - y )

Now , the product of slopes = -1

m₁ x m₂ = -1

Substituting the values in the equation , we get

( -1/3 ) x ( 5 - y ) = -1

On simplifying the equation , we get

Multiply by 3 on both sides of the equation , we get

- ( 5 - y ) = -3

Multiply by -1 on both sides of the equation , we get

5 - y = 3

Adding y on both sides of the equation , we get

y + 3 = 5

Subtracting 3 on both sides of the equation , we get

y = 2

Hence , the value of y is 2

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The similarity between solving a compound inequality in a compact form and solving a simple inequality is that the same basic ways of resolving an algebra are followed in both cases. The difference is that any manipulation on one side of the equation must be repeated on all three sides of the compound inequality.

The similarity between solving a compound inequality and a simple one is that they both follow the same basic principles of solving an algebra.

However, there is a slight difference because any change that is applied in one part of the expression must be spread to other parts of the expression.  If we are dividing or multiplying in compound inequalities, the same must apply to all sides.

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The height of 14 uch notebook placed one over the other is 420mm

Given that

Thickness of one notebook is 30 mm

To find the height of 14 such placed one over the other

For each  notebook's thickness is 30mm.

stacked notebooks equals fourteen

•°• 30×14=420mm

42 cm or 420 mm.

After placing 14 such notbooks one over the other we get the final Thickness  as 420 mm

This can we converted into 42 centimeters or 0.42 meters

So Therefore the final answer for the height of 14 such notebook placed one over the other is 420 mm or 42 cm

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Answer:

x [tex]\geq[/tex] -2

Step-by-step explanation:

The domain is all the possible numbers that x can be.

Answer: Keith on top, Patricia below Keith, Jim below Patricia, and Sara at the bottom.

Answer: Undefined

Step-by-step explanation:

[tex]\displaystyle\\x=-3\ \ \ \ \Rightarrow\\\\f(x)=\frac{3x+9}{x^3+4x^2+x-6} \\\\\\f(-3)=\frac{3(-3)+9}{(-3)^3+4(-3)^2+(-3)-6}\\\\\\f(-3)=\frac{-9+9}{-27+4(9)-3-6} \\\\\\f(-3)=\frac{0}{-36+36} \\\\\\f(-3)=\frac{0}{0}\\\\\\\\[/tex]

Answer: To find the direction and magnitude of the resultant of these three forces, we will use the law of cosines and law of sines.

First, we will find the horizontal and vertical components of each force using trigonometry:

F1x = 80 * cos(30) = 69.28 pounds

F1y = 80 * sin(30) = 40 pounds

F2x = 95 * cos(45) = 67.08 pounds

F2y = 95 * sin(45) = 67.08 pounds

F3x = 125 * cos(120) = -62.5 pounds

F3y = 125 * sin(120) = -106.57 pounds

Next, we will add the horizontal and vertical components of each force together to find the overall horizontal and vertical components of the resultant force:

Rx = F1x + F2x + F3x = 69.28 + 67.08 + (-62.5) = 72.86 pounds

Ry = F1y + F2y + F3y = 40 + 67.08 + (-106.57) = 0.51 pounds

Finally, we can use the law of cosines to find the magnitude of the resultant force, and the law of sines to find the direction of the resultant force:

R = sqrt(Rx^2 + Ry^2) = sqrt(72.86^2 + 0.51^2) ≈ 114.66 pounds

theta = atan(Ry/Rx) = atan(0.51/72.86) = 0.0068 radians ≈ 0.39 degrees

So, the direction of the resultant force is 0.39 degrees counter-clockwise from the positive x-axis, and the magnitude of the resultant force is 114.66 pounds.

Note: Keep in mind that angle given in the question is in degree and the trigonometric functions in most programming languages accept the angle in radians, so you have to convert the angle to radians before using the trigonometric functions.

Step-by-step explanation:

Answer:

h = 11cm

Step-by-step explanation:

Rectangular pyramid formula:

[tex] \frac{lwh}{3} [/tex]

therefore

[tex]\frac{7 \times 9 \times h}{3} = 231[/tex]

simplify 7x9=63, then multiply the equation by 3

[tex]63h = 693[/tex]

now divide by 63

[tex]h = 11cm[/tex]

h=11cm

Answer:

Step-by-step explanation:

Workers in an office of 40 staff were asked their favourite type of take- away.1/9 bit of a person is one degree.

What's Fraction?

An element of a total is a bit. The number is represented mathematically as a quotient, where the numerator and denominator are resolve. Both are integers in a simple bit. A bit appears in the numerator or denominator of a complex bit. The numerator of a proper bit is lower than the denominator.

The magnitude of an angle is measured using a unit of dimension. In magnitude, 1 degree is original to1/360 of a full gyration.

Degree 1 – direct.

Degree 2 – quadratic.

Degree 3 – boxy.

Degree 4 – quartic( or, if all terms have indeed degree, biquadratic)

Given that;

total workers = 40

Bit of a person = 1 degree

we know that 360 ° = 40 person

so for 1 degree = 40/360 = 1/9

Hence,1/9 bit of a person is one degree.

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The inequalities that include 7 in the solution set are;

D) -3 - x < -9

E) ¹/₂(x + 3) ≥ 2

A) -6 + x ≤ 5

Add 6 to both sides using addition property of equality to get;

x ≤ 11

B) 11 - x ≥ 7

Add x - 7 to both sides to get;

4 ≥ x

C) 3(2x - 9) > 15

Expand the bracket to get;

6x - 27 > 15

Add 27 to both sides to get;

6x > 42

Divide both sides by 6 to get;

x >  7

D) -3 - x < -9

Add 9 + x to both sides to get;

6 < x

E) ¹/₂(x + 3) ≥ 2

Multiply both sides by 2 to get;

x + 3 ≥ 4

Subtract 3 from both sides to get;

x ≥ 1

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(4, 7) is a solution to the system, will their hair ever be the same length.

Equations whose variables have a power of one are called linear equations. One example with one variable is where ax+b = 0, where a and b are real values and x is the variable.

Given:

The equation represents length y of Ben and Jada's hair in inches after x months.

And we have equations,

Ben : y = 3/4(x) + 4

Jada : y = 1/4(x) + 6.

Substituting the values of ordered pair,

when x = 0 then y = 0

we get,

Ben : y =  4

Jada : y = 6.

But not equals to y = 0.

When x = 4 then y = 8

we get,

Ben : y =  7

Jada : y = 7.

But not equals to y = 8.

When x = 4 then y = 7

we get,

Ben : y =  7

Jada : y = 7.

This is required solution.

Therefore, (4,7) is a solution.

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Evan's earnings for the fuel he uses in the week are $1515.07597, which is more than $250. So Evan is correct that he will be paid more than $250 for the fuel he uses.

To convert miles to kilometers, we can use the conversion factor 1 mile = 1.609344 kilometers. Therefore, to convert the milometer readings to kilometers, we can multiply them by 1.609344:

Start of the week reading in kilometers: 120 miles * 1.609344 km/mile = 193.12128 km

End of the week reading in kilometers: 125465 miles * 1.609344 km/mile = 201788.50112 km

The distance Evan has traveled in the week can be calculated by subtracting the start of the week reading from the end of week reading:

Distance traveled in the week: 201788.50112 km - 193.12128 km = 7575.37984 km

Therefore, Evan has traveled 7575.37984 km in the week.

To calculate Evan's earnings for the fuel he uses, we can multiply the distance traveled in the week by the payment rate of 20 cents per kilometer:

Earnings for the week: 7575.37984 km * $0.20/km = $1515.07597

Therefore, Evan's earnings for the fuel he uses in the week are $1515.07597, which is more than $250. So Evan is correct that he will be paid more than $250 for the fuel he uses.

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The domain of function is ( 2 , -4 ) and range of function is ( 4 , -8 ) . The term "range" refers to the set of numbers that the function assumes.

The term "parameters" refers to the set of values that can be entered into the domain of a function. This collection (x) contains the x values for a function like f. The term "range" refers to the set of numbers that the function assumes.

The collection of all y-coordinates with values of 2, 3, and so on is called the range. There are two parts to functions: their range and their domain. A function's domain is the collection of all its input values, while its range is its potential output.

A domain function is range. If f is a function: There is a state known as A B in which each element in A is mapped to one in B. A is the domain, and B is the co-domain. The set of photos is the range of the function if (a,b) R, and then "b" provides the image of element "a" within relation "R."

The following are the domain and range of a function in this general notation: Range(f) = f(x) and domain(f) = x R: domain(x) (f). The domain and range of this function are denoted by D = x N and R = (y): y and x are the same.

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The greatest integer is ten.

An integer is a number that does not contain a decimal or fractional element and can be positive or negative, including zero.

Let’s call the three integers a,b, and c.

Because the sums of each distinct pair of numbers are 6, 8, and 18,

A + b = 6 (1) (1)

B + c = 8 (2) (2)

C + a = 18 (3) (3)

Subtraction of equation (1) and equation (2):

C – a = 2

Add the preceding equation to equation (3):

2c = 20

C = 10

In equation (3), substitute c = 10:

10 + a = 18

A = 8

In equation (1), substitute a = 8:

8 + b = 6

B = -2

As a result, the three integers are 8, -2, and 10.

As a result, the greatest integer is 10.

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By Interception of a point f(x) = 3.75b + 25 and this we get the Value 3.75.

Examples :

f(x) = 3.75b + 25

Axis interception points of 3.75b + 25:

X intercepts:(-20 / 3,0),

Y intercepts : (0.25)

Slope of 3.75b + 25: 3.75.

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The integral of the magnitude of a given vector is 0.

What is vector ?

Vector can be defined as the object  in which it has both magnitude and direction.

Given

vector ,  V=4t i-6t j

we have to find the Integral of the magnitude over the bounds [-2,2]

So, Lets integrate the given vector

we get,

-[tex]\int\limits^2_2 { v dt } \, dx[/tex]    =

|v| =   √4t^2 + (-6t)^2

=  √16t^2 + 36t^2

= √52t^2

=  2√13 t

-[tex]\int\limits^2_2 {2\sqrt{13}t } \, dt[/tex]  =   2√13 t^2 / 2

when we integrate t , we get t = t^2 / 2

= √13 t^2  

=√13 (2^2 - (-2)^2 )

=√13 (4 - 4 )

= 0

Hence, The integral of the magnitude of a given vector is 0.

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Answer:

767 mph

Step-by-step explanation:

At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or one kilometre in 2.91 s or one mile in 4.69 s. It depends strongly on temperature as well as the medium through which a sound wave is propagating.

Answer:

x + 5 = 8

Step-by-step explanation:

x + 5 = 8

Subtract 5 from both sides.

x + 5 - 5 = 8 - 3

x = 3

Answer: x+5=8

Step-by-step explanation:

The final number is 176

Suppose a number is 'a'

Suppose another number is 'b'

We want to know how much percent of 'b' is 'a'.

Then, it is calculated as:

[tex]\dfrac{a}{b} \times 100[/tex]

(in percentage)

7.Given;

Original price = $275

Resell price = $660

660-275=385

Percent markup= 385*100/275

=140%

9.Given;

The number 200 is increased by 20%

The result is then decreased by 20%

So, 20% increase of 200= 220

Now,20% less of 220=220-44

=176

Therefore, 20 percent decreased number will be 176

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