Really need help with 11 and 12 just started learning this today and I don't quite understand it would really appreciate it

The first thing we have to know is that pi= 180º

From this value of 1035 we must subtract 360 for each turn of the circumference until it gives us a value less than 360

So the first answer would be

Using the same methodology the following angles would give

Let 'x' be the amount of nickels Anna has, and 'y' the amount of dimes.

If she has '4 more nickels than dimes' this is:

And the total amount is $1.25, that can be written as:

If we replace the equivalence between y and x here we get:

The correct answer is option C

We have the following inequality:

x > - 0.75

This is the same as state "x is greater than -0.75". Therefore, any value greater than -0.75 is a solution to this inequality

Considering this rule, we can answer each item:

a) The statement "-0.75 is a solution to the inequality" is FALSE, because, or rule states that x must be greater than -0.75.

b) The statement "There are many solutions to this inequality" is TRUE. Actually, there is an infinite number of solutions to this inequality (some of them can be expressed by -0.74, -0.73, -0.72...)

c) The statement "All the solutions to the inequality are negative" is FALSE, since any positive (or null) number is also greater than -0.75.

d) The statement "The inequality -0.75 < x is equivalent to the given inequality" is TRUE, since this inequality is tha same as the statement "-0.75 is less than x", which is a different form of express the original statement "x is greater than -0.75".

e) The statement "-4.5 is a solution to the inequality" is FALSE, because -4.5 is less than -0.75, which contradicts or rule.

The required value of the x is given as 8.66 for the given triangle.

Given that,
A figure of the triangle is shown, with the help of trigonometric operators we have to determine x.

These are the equation that contains trigonometric operators such as sin, cos.. etc.. In algebraic operations.

Here,
Tan60 = x/ 5
x = tan60 × 5
x = 1.732 × 5
x = 8.66

Thus, the required value of the x is given as 8.66 for the given triangle.

Learn more about trigonometry equations here:

brainly.com/question/22624805

#SPJ1

Answer: n = 42

Step-by-step explanation:

3 (42 - 6)= 126 - 18

= 108

2(42+12) = 84+24

= 108

In overall, the second equation is not greater than the first equation

Two angles are called complementary if their measures add to 90 degrees, and called supplementary if their measures add to 180 degrees.

In radians this are

To find the complement of 3π/4, subtract it by π/2

To find the supplement of 3π/4, subtract it by π.

Solution

The function is written in factored form

Using vertical asymptote at x = 3 opposite end behaviour

vert asymp at x=2 same end behavior, bounce off x axis at x=1, y int at -1/2

Therefore the numerator is : -6(x-1)²

The denominator is : (x+3)(x-2)²

The required three options accurately represent the statement are options b, c, and e.

The equation is the relationship between variables and represented as y = ax + b is an example of a polynomial equation.

Here,
According to the question,
A negative 3 less than 4.9 times a number, x, is the same as 12.8.
12.8 = 4.9x -(-3)
which matched with options b, c, and e.

Thus, the required three options that accurately represent the statement are options b, c, and e.

Learn more about equations here:

brainly.com/question/10413253

#SPJ1

You have the next equation:

Data: P=1.5

How much does that smoker spend on cigarettes:

Each day: As T is amunt of time in days, to find how much that smoker spend on cigarettes in one day you: Sustitute the T by 1 in the equation:

T=1day

Each week: A week have 7 days

T=7days

Each 30 day month:

T=30 days

Each 365 day year:

T=365 days

Standard form by definition of standard form of polynomials

The valve was designed to produce a mean pressure of 4.4, this means that our null hypothesis has to be:

Since we want to determine if there is sufficient evidence that the valve is aboce the specifications, this means that we want to determine if the mean is greater than 4.4, that is, the alternartive hypothesis is:

Given:

f(x) = x^2 + 4x + 4 and g(x) = x^2 - 2x - 8.

we are to find the domain of (f/g) (x)

before we find the domain of the function, its best we know what a domain is.

The Domain of a function is the set of all possible inputs for the function. it can also be seen as the set of input or arguement values for which the function is real and defined.

recall that we have x + 2 as our the simplest form

x - 4

so the domain we wil be looking for is x + 2

x - 4

so we have to take t denominator of the above and compare to zero

x - 4 = 0

x = 4

so this is undefined

the function domain

x < 4 or x > 4

so the domain is:

(- infinity, 4) U (4, infinity)

The correct option is A.

We are given a circle with a diameter of 72 ft. We are asked to determine its area. To do that we will use the following formula:

Where "D" is the diameter. Replacing the values:

Solving the operations:

Now we are asked to determine the circumference of the circle, to do that we use the following formula:

Replacing the values:

Solving the operations:

Since the circumference is the measure of the longitude of the circle, if it were to be surrounded by tape this is the measure we would have to use.

We have a whale that swims 80 ft below the surface and then goes up 40 ft.

We can describe her trajectory from surface (y=0) to 80 ft below (y=-80) and then 40 ft up (y=-80+40=-40).

The correct interpretation is Option D: the equation is -80+40=-40. The whale is 40 ft below the surface.

In order to determine the amount of money Rain, Kevin and Eric have, write the given situation as an algebraic equation.

If x is the money of Raina, y the money of Kevin and z the money of Eric, you have, based on the given problem, the following equations:

x + y + z = 66 All of them have a total of $66

y = 3z Kevin has 3 times what Eric has

x = z - 9 Raina has $9 less than Eric

Replace the expressions for x and y into the first equation and solve for z, as follow:

(z - 9) + (3z) + z = 66

z - 9 + 3z + z = 66

3z = 66 + 9

3z = 75

z = 75/3

z = 25

Next, replace the previous value of z into the expressions for x and y:

y = 3(25)

y = 75

x = 25 - 9

x = 16

Hence, the amount of money each of them has is:

Raina: $16

Kevin: $75

Eric: $75

Answer: y=3x+5

Step-by-step explanation:

The recipe yields:

8400 calories in total.

Those 8400 calories are equally divided into 40 mini-cupcakes. Then, each mini-cupcake has

210 calories for each mini-cupcake.

Therefore, 4 mini-cupcakes contain:

The answer is 840 calories

Using the function  f(x) = 28.7 + 1.2log (x + 1) that models the salinity of the ocean to depths of 1000 meters the salinity to the nearest hundredth is 32.18 g/kg

The salinity s calculated using the logarithmic function model

f(x) = 28.7 + 1.2log (x + 1)

given that f(x) is in grams of salt per kilogram of seawater and x is the depth in meters

for x = 797 meters

f(x) = 28.7 + 1.2log (x + 1)

f(x) = 28.7 + 1.2log (797 + 1)

f(x) = 28.7 + 1.2log (798)

f(x) = 28.7 + 1.2 * 2.902

f(x) = 28.7 + 3.4824

f(x) = 32.1824

f(x) = 32.18  (to the nearest hundredth)

Learn more about logarithm here:

https://brainly.com/question/29420555

#SPJ1

Using midpoint of a line, the point at which E is located on the coordinates is (-4, -10)

Midpoint refers to a point that is in the middle of the line joining two points. The two reference points are the endpoints of a line, and the midpoint is lying in between the two points. The midpoint divides the line joining these two points into two equal halves. Further, if a line is drawn to bisect the line joining these two points, the line passes through the midpoint.

The formula of midpoint is given as

(x, y) = (x₂ + x₁) / 2 , (y₂ + y₁) / 2

Taking x-coordinate

x = (x₂ + x₁) / 2

2 = (8 + x₁) / 2

x₁ = -4

Taking the y - coordinate

y =  (y₂ + y₁) / 2

-4 = (2 + y₁) /2

y₁ = -10

The coordinate of E is (-4, -10)

Learn more on midpoint of a line segment here;

https://brainly.com/question/2422490

#SPJ1

EXPLANATION

Given the system of equations:

(1) 60x + 110y = 265

(2) 120x + 90y = 270

We can apply the substraction method as shown as follows:

Multiply 60x + 110y = 265 by 2:

----> (60x + 110y = 265)*2 -------> 120x + 220y = 530

Subtract the equations:

120x + 220y = 530

- (120x + 90y = 270)

--------------------------------

130y = 260

Divide both sides by 130:

y= 260/130

Simplifying:

y= 2

Replacing on the first equation:

60x + 110(2) = 265

Applying the distributive property:

60x + 220 = 265

Subtracting 220 to both sides:

60x = 265 - 220

Subtracting like terms:

60x = 45

Dividing both sides by 60:

x = 45/60

Simplifying:

x= 3/4

The solutions to the system of equations are:

x=3/4 y=2

Given function:

The minimum value of the function can be found by setting the first derivative of the function to zero.

Solving for x:

Substituting the value of x into the original function:

Hence, the minimum value in the given range is (-1, -0.368)

The value of k associated to the cubic equation f(x) = x³ + k · x + 5 is equal to - 6.

In this question we have a cubic equation of the form f(x) = x³ + k · x + 5 and we need to determine the value of k such that the binomial x + 1 is a factor of f(x). A value of x is a factor of the polynomial if and only if the following expression is observed:

f(x) = 0, for x = a

If we know that x = 1 and f(1) = 0, then the value of k is:

1³ + k · 1 + 5 = 0

k + 6 = 0

k = - 6

The cubic equation has a value of k equal to - 6.

To learn more on cubic equations: https://brainly.com/question/20278509

#SPJ1

Integers are whole numbers. They are either positive or negative

Even numbers are numbers that are completely divisible by 2 without a remainder.

Even numbers could be 2, 4, 6, 8, 10. the list goes on

If 2n is the largest even integer in the given sequence, then the lesser consecutive even integers would be

2n - 2

2n - 2 - 2 = 2n - 4

Three consecutive even integers of which the largest is 2n​ are

2n - 4, 2n - 2, 2n

1. replace f(x) with y:

2. Replace every x with a y and replace every y with an x:

3. Solve for y:

4. replace y with f-1(x):

The area of a parallelogram is given by the equation:

Where b is the base of the parallelogram and h is the height.

In this case, b=1/2 in and h=8in, then:

Therefore, the area of the described parallelogram, is:

The Solution:

Given that a line is horizontal.

We are asked to determine whether it is true or false that the line has no x-intercept.

Clearly, horizontal lines do not hintercept with x-axis.

Therefore, there is certainly no x-intercept.

Thus, the correct answer is [TRUE]

Explanation:

Question:

What statements are true regarding undefine terms in geometry

A point has no length or width.

This is true because a point cannot have a dimension

A plane consists of an infinite set of lines.

This is not true because from the definition of a plane, it must have an infinite set of lines or points.

A plane has one dimension, length

This statement is not true because a line is a one dimensional object and as such can only have one dimension which is its' length.

A point indicates a location in a coordinate plane.

This statement is true because any point located on a plane must have an ordered pair of an x and y coordinate

A line has a define begging and end

This is not true because A distance along a line must have no beginning or end.

A line consists of an infinite set of points

This is not true becaue a plane consists of an infinite set of points

Hence,

The final answers are

A point indicates a location in a coordinate plane.

A point has no length or width.