Which set of ordered pairs represents y as a function of x? {(2,2), (3,3), (2,4), (5,5)} A. {(2,2), (3,3), (2,4), (5,5)} A. , 2, 2... 3, 3.... 2, 4... 5, 5... , {(−1,−2), (−2,−1), (−2,7), (−4,8)} B. {(−1,−2), (−2,−1), (−2,7), (−4,8)} B. Negative 1, negative 2... Negative 2, negative 1... Negative 2, 7.... Negative 4, 8... , {(−1,6), (4,3), (1,1), (−3,4)} C. {(−1,6), (4,3), (1,1), (−3,4)} C. Negative 1, 6... 4, 3... 1, 1... Negative 3, 4... , {(0,1), (2,1), (3,1), (0,2)} D. {(0,1), (2,1), (3,1), (0,2)}

Answer: The first hour is free, and the rest charges is $2.50

Let x be the time.

Let y be the total

Your equation will look like

When x < 2, y = 0

When x > 1, y = $2.50(x)

So:

1 < x < ∞ for hours, then equation will look like:

y = total amount

$2.50 is cost (remember that the first hour is for free, and so you subtract $2.50 from the total.

$2.50x - $2.50 = y should be your equation.

hope this helps

Step-by-step explanation:

The standard form of the polynomial function is \(-6m^6+n^6+7mn^5+14m^2n^4-5m^3n^3\).

The polynomial given is

\(8mn^5-2m^6+5m^2n^4-m^3n^3+n^6-4m^6+9m^2n^4-mn^5-4m^3n^3\)

Let us rearrange the expression as,

\(-2m^6-4m^6+n^6+8mn^5-mn^5+5m^2n^4+9m^2n^4-m^3n^3-4m^3n^3\)

Simplifying the above expression as,

\(-6m^6+n^6+7mn^5+14m^2n^4-5m^3n^3\)

The above expression of the polynomial function is in its standard form.

Hence, the standard form of the polynomial function is \(-6m^6+n^6+7mn^5+14m^2n^4-5m^3n^3\).

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Step-by-step explanation:

it is a quadratic function

it is because it satisfies the equation f(x)= -3-5x+4x^2

Answer:

3x^2 + 13x - 5

Step-by-step explanation:

To find the area, you multiply the length by width. So its is (3x - 1) * (2x + 5)

Then distribute. (3x * 2x) + (3x *5) + (-1 *2x) + (-1 * 5)

So 3x^2 + 15x -2x -5

Final Answer: 3x^2 + 13x - 5

Answer:

30 INCHES

Step-by-step explanation:

Answer:

60 days

Step-by-step explanation:

60 is the lowest number divisible by both 12 and 5

Answer:

can u show me a picture of this problem.

Step-by-step explanation:

(a) False. The set {x∈R^n | Ax=b} is not necessarily convex. It depends on the matrix A and the vector b. For example, if A is a non-convex matrix, then the set of solutions {x∈R^n | Ax=b} will also be non-convex.

(b) True. The set {(x₁,x₂) | x₂ ≤ 3x₁²} is convex. The inequality defines a downward parabolic region, and any line segment connecting two points within this region will lie entirely within the region. (c) False. Not all polygons on the R² plane are convex. For example, a polygon with a concave portion, such as a crescent shape, would not be convex.

(d) True. If S⊆R² is convex, then it must enclose a region of finite area. Convex sets do not have "holes" or disjoint parts, so they form a connected and bounded region. (e) False. If S₁⊆R² and S₂⊆R², and S₁∩S₂=ϕ (empty set), then S₁∪S₂ can be convex. If S₁ and S₂ are both convex sets that do not overlap, their union can still be a convex set. (f) True. If S₁⊆R² and S₂⊆R² are both closed sets, then their union S₁∪S₂ must also be closed. However, it may or may not be convex. The convexity of the union depends on the specific sets S₁ and S₂.

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Answer:

D.

<2 and <7 form vertical angles

Step-by-step explanation:

1) solution

Hypotenous(h)=?

perpendicular(p)=16

base(b)=12

By using formula

h^2 = p^2 + b^2

h^2 = 16^2 + 12^2

h^2 = 256 + 144

h^2 = 400

h^2 = 20^2

h = 20

therefore hypotenous (h) is 20

2) solution

hypotenous = (?)

perpendicular=(77)

base=(36)

by using formula

h^2 =p^2 + b^2

h^2=77^2+ 36^2

h^2=5929+1296

h^2=7225

h^2=85^2

h=85

therefore hypotenous (h) is 85

Answer:

I'd say 3,tbh

Hope this helps :)

Answer:

where is the figure?? thanks

ANSWER

1/6 or 0.167 inches per minute

EXPLANATION

We want to find the constant rate of change of the water level.

To do this, we have to find the difference in water level, find the time taken, then divide the former by the latter.

Difference in water level is:

D = 28 - 13 = 15 inches

The time difference is:

H M

2 : 30

- 1 : 00

1 : 30

That is 1 hour 30 minutes.

In minutes, that is:

(60 * 1) + 30 = 60 + 30 = 90 mins

So, the constant rate of change of water level is:

That is the constant rate of change of water level.

Answer:

\(h = \frac{s}{2pir} -r\\\)

Step-by-step explanation:

\(s = 2pir(r+h)\\\frac{s}{2pir} = r+h\\h = \frac{s} {2pir} -r\)

To make h subject of the formula ,

Step 1 : Divide both sides by 2pir to isolate (r+h)

Step 2 : Move r to the other side of the equation to isolae h

Answer :

h = s/2pir  -r

Answer:

\( h = \frac{s}{2\pi \: r} - r \\ \)

Step-by-step explanation:

\(s = 2\pi \: r(r + h) \\ \frac{s}{2\pi \: r} = \frac{2\pi \: r(r + h)}{2\pi \: r} \\ \frac{s}{2\pi \: r} = r + h \\ \frac{s}{2\pi \: r} - r = h\\ \)

hope this helps

brainliest appreciated

good luck! have a nice day!

Answer:

last option

Step-by-step explanation:

1.3333.... is a rational number but not an integer

Hope this helps

a. The magnitude of the magnetic force acting on the ion is 1.72 × 10⁻¹⁴ N.

b. The magnitude of the ion's acceleration is 6.48 × 10¹¹ m/s².

The area in which the force of magnetism acts around a magnetic material or a moving electric charge is known as the magnetic field.

The magnetic force on a charged particle moving in a magnetic field is given by the formula:

F = q v B sin θ

where:

- F is the magnetic force acting on the particle

- q is the charge of the particle

- v is the velocity of the particle

- B is the magnetic field strength

- θ is the angle between the velocity vector and the magnetic field vector

In this problem, the oxygen ion has a charge of +1.6 × 10⁻¹⁹ C and is moving with a speed of 2.00 × 10³ m/s in the xy-plane. The magnetic field is directed along the z-axis with a magnitude of 4.25 × 10⁻⁵ T. Since the velocity vector is perpendicular to the magnetic field vector, the angle between them is 90°, so sin θ = 1.

(a) The magnitude of the magnetic force on the oxygen ion is:

F = q v B sin θ = (1.6 × 10⁻¹⁹ C) × (2.00 × 10³ m/s) × (4.25 × 10⁻⁵ T) × 1 = 1.72 × 10⁻¹⁴ N

Therefore, the magnitude of the magnetic force acting on the ion is 1.72 × 10⁻¹⁴ N.

(b) The magnitude of the ion's acceleration can be found using the formula:

a = F/m

where:

- a is the acceleration of the particle

- F is the magnetic force acting on the particle

- m is the mass of the particle

The mass of an oxygen ion is approximately 2.66 × 10⁻²⁶ kg.

So, the magnitude of the ion's acceleration is:

a = F/m = (1.72 × 10⁻¹⁴ N) / (2.66 × 10⁻²⁶ kg) = 6.48 × 10¹¹ m/s²

Therefore, the magnitude of the ion's acceleration is 6.48 × 10¹¹ m/s².

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The assumption of y being 1, it would take approximately 210.03 feet to stop a car going 100 mph.

To determine the stopping distance of a car going 100 mph, we can use the given equation d=0.03y^2 +2.1v, where d represents the stopping distance in feet and v represents the speed in mph.

Plugging in the value of v as 100 mph into the equation, we get:
d = 0.03y^2 + 2.1(100)
d = 0.03y^2 + 210

To find the value of d, we need to know the value of y, which represents the friction between the tires and the road. Unfortunately, the question does not provide this information. Hence, we cannot accurately determine the distance required to stop the car going 100 mph without knowing the value of y.

However, if we assume a reasonable value for y, we can calculate an approximate stopping distance. Let's say we assume y to be 1, then the equation becomes:
d = 0.03(1)^2 + 210
d = 0.03 + 210
d = 210.03

However, it's important to note that this value may vary depending on the actual value of y, which is not given.

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Answer: d

Step-by-step explanation:

Answer:

300

Step-by-step explanation:

The value of the fractions in the mixed fraction form is 3(⁷/₉), 4(⁷/₉), and 6(²/₅) respectively.

A mixed fraction is a fraction that is created by fusing a fraction with a whole number. The fraction is defined as the division of the whole part into an equal number of parts.

The given fractions 34/9, 43/9, and 32/5 can be written in the form of the mixed fraction as below:-

To write the fractions in the form of the mixed fraction first divide the fraction by the complete number and put the remainder on the numerator.

34/9 = 3(⁷/₉)

43/9 = 4(⁷/₉)

32/5 = 6(²/₅)

Therefore, the value of the fractions in the mixed fraction form is 3(⁷/₉), 4(⁷/₉), and 6(²/₅) respectively.

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Answer:

12/6 simplified to lowest terms is 2/1.

Step-by-step explanation:

Divide both the numerator and denominator by the HCF

12 ÷ 6

6 ÷ 6

Reduced fraction:

12/6 simplified to lowest terms is 2/1.

Answer: 2:1

Step-by-step explanation:

12:6

Both left and right can be divided by 6, like a fraction, reduce.

= 2:1

Answer:

Step-by-step explanation:

The required graph of the given function d(x)=−1/2x−3 has been shown.

Given that, to plot the graph of the linear function,  d(x)=−1/2x−3.

What is the graph?

The graph is a demonstration of curves that gives the relationship between the x and y-axis.

Here,

The graph of the liner function d(x)=−1/2x−3 can be plot by putting the values of the x in the equation which gives the value of y by calculating such an ordered pair we can plot the curve of the liner equation on the graph. i.e.

At x = 0

d(0) = -1/2 * (0) - 3

d(0) = -3

So, the ordered pair will be (0, -3).

Now, put x = 2

d(2) = -1/2 * 2 - 3

d(2) = -1 - 3

d(2) = - 4

So the ordered pair will be (2, -4)

joining these two points will show the graph of the given equation d(x)=−1/2x−3.

Thus, the required graph of the given function d(x)=−1/2x−3 has been shown.

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Answer:

(x + 2)² + 1

Step-by-step explanation:

Given

x² + 4x + 5

To express in vertex form use the method of completing the square

add/ subtract ( half the coefficient of the x- term)² to x² + 4x

= x² + 2(2)x + 4 - 4 + 5

= (x + 2)² + 1 ← in vertex form

Answer:

i think C

Step-by-step explanation:

one of the lines is doted so then <_ means

Answer:

\(a_{8} = 15\)

Step-by-step explanation:

\(a_{1} + a_{2} + ..... + a_{7} + a_{8} = 8^{2} = 64\)

\(-a_{1} - a_{2} ..... - a_{7} = - 7^{2} = -49\)    Now add the two equations

                                 \(a_{8} = 64 - 49 = 15\)

\(a_{8} = 15\)

hypotenuse = 16

perpendicular = 13

base= ?

By using pythogoras theroem :

H² = P² + B²

16² = 13² + B²

256 = 169 + B²

B² = 256 -169

=87

B² = 87

B = √87

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Answer: The correct answer is D - square root of 87

Step-by-step explanation: I took the test and I got it right.

Have a good day/night :)

The value of x that makes the given image to be a rectangle is: x = 2.5

The length of the diagonals of a rectangle are equal and congruent to each other. It is also pertinent to note that the diagonals of a rectangle bisect each other at the center. Thus:

From the given parameters, we see that half of the diagonals have been labelled and as such we have:

8x - 3 = 4x + 7

Rearrange to have like terms on same side and so we have:

8x - 4x = 7 + 3

4x = 10

x = 10/4

x = 2.5

Thus, the value of x from the calculation above of the rectangle is 2.5

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Answer:

It is true

Step-by-step explanation:

20/-7 is ~2.56

-2.8 (8 repeating) is -2.8......

So it is true

Hope this helps!

Answer:

True

Step-by-step explanation: