PLEASE HELP FAST!!
Gilbert earns $7.50 per hour washing cars.

Graph the relationship between the number of hours Gilbert works and the total amount of money he earns.

PLEASE HELP FAST!!Gilbert Earns $7.50 Per Hour Washing Cars.Graph The Relationship Between The Number
PLEASE HELP FAST!!Gilbert Earns $7.50 Per Hour Washing Cars.Graph The Relationship Between The Number

Answers

Answer 1

I CANT HELP :(

Step-by-step explanation:

:(

Answer 2
The coordinates would be (1. 7.5) (2, 15) (3, 22.5) (4, 30) (5, 37.5) (6, 45) and so on.

Related Questions

The perimeter of rectangle ABCD is 60 cm. The ratio of its length to its width is 3:2. Find the length,
width and area of the rectangle.
Length = cm
Width = cm
Area -cm

Answers

Answer:

Length = 18 cm

Width = 12 cm

Area = 216 cm^2

Step-by-step explanation:

The perimeter of a rectangle is twice it's length(l) plus twice it's width(w):

Perimeter = 2l + 2w

We are told that (l/w) = (3/2) [ratio of its length to its width is 3:2]

Therefore:

60cm = 2l + 2w

---

(l/w) = (3/2)

We can rewrite this as:  l = (3/2)w

----

Now substitute this expression into the perimeter equation:

60 cm = 2l + 2w

60 cm = 2((3/2)w) + 2w

60 cm = 3w + 2w

60cm = 5w

w = 12 cm

l = (3/2)w

l = (3/2)*12

l = 18 cm

Area = 1*w

Area = (12cm)(18cm) = 216 cm^2

URGANT PLEASE HELP!!

Solve the triangle for x. (1 point)

A) 41.8°
B) 89.6°
C) 48.6°
D) 90.4°

Answers

Answer:

it looks like c

Step-by-step explanation:

its not quite 50 but its extreemly close so its got to be c

[tex]12 {}^{2} = 9 {}^{2} + 8 {}^{2} - 2(9)(8)(cosx)[/tex]

[tex]144 = 81 + 64 - 2(72)(cosx)[/tex]

[tex]144 = 145 - 144(cosx)[/tex]

[tex] - 144(cosx) = 144 - 145[/tex]

[tex](cosx) = \frac{ - 1}{ - 144} [/tex]

[tex]arccos( \frac{1}{144} ) = > a = 89.6[/tex]

What is the equation of the line that passes through the point (-1,-5) and has a
slope of -1?

Answers

answer: -5=-1x+b

explanation: put this in the form of y=mx+b form. m is the slope of the line so it’s -1. b is the y intercept so that means the answer must be -5 from the set of points you provided. hope that helps

Answer:

5 x - 6 y - 8 = 0

Step-by-step explanation:

A DVD is regularly $19.99 but is on sale today for $15.99. What percent would you save if you bought the DVD on sale?

Answers

Answer:

the sale price will be 130% off

Step-by-step explanation:

Solve the system of equations by graphing. Check the solution. y=-2x-3. y=2x+5. Graph each equation on the same coordinate plane. At what point do the graphs of the lines appear to intersect?​

Answers

Answer:

[tex]\left \{ {{x=-2} \atop {y=1}} \right.[/tex]

Step-by-step explanation:

[tex]\left \{ {{y=-2x-3} \atop {y=2x+5}} \right.[/tex]

Substitute into one of the equations
[tex]-2x-3=2x+5[/tex]

Rearrange variables to the left side of the equation
[tex]-2x-2x=5+3[/tex]

Combine like terms
[tex]-4x=5+3[/tex]

Calculate the sum or difference
[tex]-4x=8[/tex]

Divide both sides of the equation by the coefficient of variable
[tex]x=-\frac{8}{4}[/tex]

Cross out the common factor
[tex]x=-2[/tex]

Substitute into one of the equations
[tex]y=-2\times\left(-2\right)-3[/tex]

Calculate
[tex]y=1[/tex]

The solution of the system is
[tex]\left \{ {{x=-2} \atop {y=1}} \right.[/tex]

I hope this helps you! Don't forget to check the picture I uploaded as well

:)

Answer:

[tex]\displaystyle [-2, 1][/tex]

Step-by-step explanation:

Use the Elimination method sinse both coefficients in the system are OPPOCITES:

[tex]\displaystyle \left \{{{y = -2x - 3} \atop {y = 2x + 5}} \right.[/tex]

2y = 2; 1 = y [Plug this y-coordinate back into the system to get the x-coordinate of −2 (−2 = x).]

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#5
A ball is kicked 5 feet above the ground with an initial vertical velocity of 50 feet per second. The function
h(t) = -16+ +50t + 5 represents the height h (in feet) of the ball after seconds. Using a graph, after how many seconds
is the ball 32 feet above the ground? Round your answers to the nearest tenth.
For

Answers

Answer:

Step-by-step explanation:

h(t) = 32 = -16t^2 + 50t + 5

-16t^2 + 50t - 27 = 0

Drawing a graph gives time = 0.7 seconds.

The ball is 32 feet above the ground after 2.9 seconds

We have,

To determine the time at which the ball is 32 feet above the ground, we can set the height function h(t) equal to 32 and solve for t:

h(t) = 32

-16t² + 50t + 5 = 32

-16t² + 50t + 5 - 32 = 0

-16t² + 50t - 27 = 0

We can solve this quadratic equation using various methods, such as factoring, completing the square, or the quadratic formula.

Let's use the quadratic formula:

t = (-b ± √(² - 4ac)) / (2a)

Plugging in the values a = -16, b = 50, and c = -27, we have:

t = (-50 ± √(50² - 4(-16)(-27))) / (2(-16))

Simplifying further:

t = (-50 ± √(2500 - 1728)) / (-32)

t = (-50 ± √(772)) / (-32)

Now, we can calculate the two possible solutions:

t ≈ (-50 + √772) / (-32) ≈ 2.85 seconds (rounded to the nearest tenth)

t ≈ (-50 - √772) / (-32) ≈ 0.18 seconds (rounded to the nearest tenth)

Based on the graph of the function, the ball is 32 feet above the ground after approximately 2.9 seconds (rounded to the nearest tenth).

Thus,

The ball is 32 feet above the ground after 2.9 seconds

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Solve the following quadratic function by factoring

f(x)=4x^(2)-9

Answers

(2x+3)(2x-3)

Rewrite 4x^2 as (2x)^2

Rewrite 9 as 3^2

f(x)=(2x)^2 - 3^2

To factor it

Since it is a perfect square you need to have one negative

(2x+3)(2x-3)

Both solutions are valid, so the solutions to the quadratic function [tex]f(x) = 4x^2 - 9[/tex] are x = -3/2 and x = 3/2.

To solve the quadratic function [tex]f(x) = 4x^2 - 9[/tex] by factoring, we set the expression equal to zero and then try to factor it.

Step 1: Set f(x) equal to zero:

[tex]4x^2 - 9 = 0[/tex]

Step 2: Factor the quadratic expression:

The expression [tex]4x^2 - 9[/tex] is in the form of a difference of squares, which can be factored as follows:

[tex]a^2 - b^2 = (a + b)(a - b)[/tex]

In our case, a = 2x and b = 3:

[tex]4x^2 - 9 = (2x + 3)(2x - 3)[/tex]

Step 3: Set each factor equal to zero and solve for x:

First factor: 2x + 3 = 0

Subtract 3 from both sides:

2x = -3

Divide both sides by 2:

x = -3/2

Second factor: 2x - 3 = 0

Add 3 to both sides:

2x = 3

Divide both sides by 2:

x = 3/2

Step 4: Check the solutions:

Plug the values of x back into the original equation to verify:

For x = -3/2:

[tex]f(-3/2) = 4(-3/2)^2 - 9\\f(-3/2) = 4(9/4) - 9\\f(-3/2) = 9 - 9\\f(-3/2) = 0\\For x = 3/2:\\f(3/2) = 4(3/2)^2 - 9\\f(3/2) = 4(9/4) - 9\\f(3/2) = 9 - 9\\f(3/2) = 0[/tex]

Both solutions are valid, so the solutions to the quadratic function f(x) = [tex]4x^2 - 9[/tex] are x = -3/2 and x = 3/2.

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Given h(x)=x2-2, what is the value of h(-3)?

Answers

h(x) = x^2 - 2

h(-3) = (-3)^2 - 2

= 9-2

= 7

(1/5)^3 in expanded form.

Answers

Answer:

1/125

Step-by-step explanation:

The diameter of a circle is 9 ft. Find the circumference and round it to the nearest tenth.

Answers

Answer:

9*3.14=28.26

Step-by-step explanation:

Hope this Helps!

Answer:

[tex]C\approx28.27ft[/tex]

Step-by-step explanation:

[tex]C=\pi d\\C=\pi(9)\\C=9\pi\\C\approx28.27[/tex]

Thus, your circumference is about 28.27 ft

Make
x
the subject of the formula
3
a
x
+
2
c
=
b
2

Answers

Answer:

x= (2b-2c)/3a

Step-by-step explanation:

3ax+2c=2b

or, 3ax= 2b-2c

Therefore, x= (2b-2c)/3a

Need help asap whoever helps big thank you!

Answers

Answer:8.9

Step-by-step explanation: y=2.2 +3.5 =6.7 +0.18

y= 8.9

good luck

CAN SOMEONE HELP ME OUT PLEASE AND THANK YOU

Answers

Answer:

10x+2

Step-by-step explanation:

2×(2x+1+3x)

4x+2+6x

10x+2

Answer:

10x + 2

Step-by-step explanation:

The perimeter is the sum of the 4 sides of the rectangle, where opposite sides are equal in measure, thus

perimeter = 3x + 3x + 2x + 1 + 2x + 1 = 10x + 2

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the distance a car travels d, is a function of t the time it travels a certain car travels 425 miles at a speed of 50 miles per hour. What are the domain range of the function described?

The domain is all real values from 0 to 8.5 and the range is all real values from 0 to 50

The domain is all real values from 0 to 8.5 and the range is all real values from 0 to 425

The domain is all real values from 0 to 50 and the range is all real values from 0 to 425

The domain is all real values from 0 to 425 and the range is all real values from 0 to 8.5

Answers

The domain and range of the linear function described are given as follows:

The domain is all real values from 0 to 8.5 and the range is all real values from 0 to 425.

What is a linear function?

A linear function is modeled by:

[tex]y = mx + b[/tex]

In which:

m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.b is the y-intercept, which is the value of y when x = 0.

In this problem, the car travels 425 miles at a speed of 50 miles per hour, hence for the amount of miles left for the car to travel after t hours is given by a linear function with m = -50 and b = 425, that is:

d(t) = 425 - 50t.

The domain is the set of all possible values of the input, which considering that the car travels while the distance is greater than 0, is given by:

d(t) > 0 -> 425 - 50t > 0 -> t < 8.5.

The range is the set of all possible values of the input, which is the distance remaining, assuming real values from 0 to 425.

Hence, the correct option is:

The domain is all real values from 0 to 8.5 and the range is all real values from 0 to 425.

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Which choice is the solution to the inequality below?
11x > 22
O A. x> 2
O B. x 22
O c. x> 2
O D. x > 231
Please help I didn’t study for this.

Answers

Answer:

A. x>2

Step-by-step explanation:

11x>22

x>22/11

x>2

ASAP
Select the correct answer.
Given any two events, E1 and E2, what does the probability P(E1 ∪ E2) represent?

A.
One of the events occurs, or both occur.

B.
Neither event occurs.

C.
One of the events occurs but not both.

D.
Both of the events occur.

Answers

Answer:

a is the answer

Step-by-step explanation:

The equation of P(E1 ∪ E2) that represents the condition that the mutually exclusive events is one of the events occurs, or both occur which is correct option(A).

What are Mutually Exclusive events?

Mutually Exclusive events is defined as in probability the particular addition rule is applicable when two occurrences are incompatible with one another. It claims that the probability of either event is equal to the probability of each event separately.

If E₁ and E₂ are said to be mutually exclusive events then the probability of an event E₁ occurring or the probability of event E₂ occurring is given as P(E₁) + P(E₂) :

P(E₁ ∪ E₂) = P(E₁) + P(E₂)

Hence, the equation of P(E1 ∪ E2) that represents the condition that the mutually exclusive events is one of the events occurs, or both occur.

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Tìm x,y nguyên dương 5x – xy + 3y = 22.

Answers

Answer:

x = 22-3y/5-y

y=-22-5x/x-3

Step-by-step explanation:

Solve for x:

1)  Subtract 3y from both sides.

5x - xy = 22 - 3y

2) Factor out the common term x.

x(5 - y) = 22 - 3y

3) Divide both sides by 5 - y.

x = 22-3y/5-y

Solve for y:

1) Subtract 5x from both sides.

=xy + 3y = 22 - 5x

2) Factor out the common term y.

- y=(x-3)=22-5x

3) Divide both sides by x-3.

-y=22-5x/x-3

4) Multiply both sides by -1.

y=-22-5x/x-3

Find the value of x.
(2x + 21)
54°
(5x + 6)

Answers

Answer:

x= 9.3 but im not to sure this is right

Step-by-step explanation:

Total angles in a circle
(2x+21)+(5x+6)+90+54=360
7x + 171 = 360
7x = 360 - 171
7x = 189
Divide through by 7
x = 27

Note the other unnamed angle in the fig is 90 ° .The sign there is the conventional sign for angle 90 °

Are they functions or not ?

Answers

Answer:

10.) b. not a function

11.) a. function

Step-by-step explanation:

hope it helps. good luck :)

HELP ME PLEASE EXPLAIN HURRY!!!!
Identify the angle type, the relationship, and the equation. Thank you!

Answers

type of angle) Exterior Angle
Relationship) Alternate Ext. Angle
Equation) (3x+15)=(2x)

Myah is 4 feet 2 inches tall. Her sister, Ally,is 10 inches taller. Their little brother is half as tall as Ally. How tall is their little brother in feet and inches?

Answers

Answer:

2feet

Step-by-step explanation:

There brother is 2 feet and 6 inches

Formula: 12 inches = 1 foot

4'2 + 10 inches = 5 foot

Half of 5 foot would be 2'6 since there are 12 inches in a foot.

amy bill and cara each played a game
amys score was 10 times bills score
caras score was half of amys score
write down the ratio of amys score to bills score to caras score
give your answer in simplest form

Answers

Let Amy’s score be 10
Amy = 10
Amy:Bill = 10:1,
Bill = 1
Cara =1/2 Amy’s
Cara = 1/2 x 10
Cara= 5
Amy:Bill:Cara = 10:1:5


Write a rule to describe each transformation.
I do not know how can I get help ?

Answers

This is the translation rule twice (translate right 2; translate down 1)

What is the answer to 16 times 1/100

Answers

16/1•1/100=16/100, so your answer is 16/100

Answer:

16/100 or simplified is 4/25

Step-by-step explanation:

Tyrell has a bankruptcy on his credit report and therefore pays higher interest rates on his current loans. he calculates that the extra money he pays in additional interest each year, if invested at the rate of 2.5% for one year, could earn him simple interest totaling $300. how much does tyrell pay in additional interest each month? a. $90 b. $100 c. $1,000 d. $12,000

Answers

Answer:

C. $1,000

edge ⬇️  

If   invested at the rate of 2.5% for one year. The amount that tyrell pay in additional interest each month is: c. $1,000.

Additional interest each month

First step

Amount for one year=Simple interest amount/Interest rate

Amount for one year=$300/0.025

Amount for one year=$12,000

Second step

Additional interest each month=$12,000/12 months

Additional interest each month=$1,000

Therefore the amount that tyrell pay in additional interest each month is: c. $1,000.

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What is the resistance in a circuit when the current is 0.5 ampere? Ohms​

Answers

Answer:

24 Ohms

Step-by-step explanation:

Resistance is a function of amperes. For each amp, there is one and only one value for resistance.

It works the other way, too.

E=IR (well-known relationship). If IR=12, R=12/I

R=E* (1/I)

When the current is 0.5 amp, R=12/0.5 - 24 ohms

An auto repair shop charged a customer $356 to repair a car. The bill listed $56 for parts and the remainder for labor. If the cost of labor is $50 per hour, how many hours of labor did it take to repair the car?

Answers

Answer:

6 hours

Step-by-step explanation:

356-56

=300

300/50

=6

HELP ASAP THIS IS ABOUT “Multistep Pythagorean Theorem” HELP

Answers

Answer:

8.1

Step-by-step explanation:

The length of the missing side is 8.1 inches. You apply the pythagorean theorem to 5,b,10 and get 5sqrt3. Next, you apply the pythagorean theorem to 3, b, 5sqrt3 to get the square root of 66, which is 8.1, rounded to the nearest tenth.

Answer:

[tex]\displaystyle 8,1[/tex]

Step-by-step explanation:

Use the Pythagorean Theorem twise [first time for the reflexive edge and the second time for the longer leg of the other triangle]:

[tex]\displaystyle a^2 + b^2 = c^2 \\ \\ a^2 + 5^2 = 10^2 \hookrightarrow 100 = 25 + a^2 \hookrightarrow \sqrt{75} = \sqrt{x^2}; 5\sqrt{3}\:[or\:8,6602540378...] = a \\ \\ \\ \\ a^2 + b^2 = c^2 \\ \\ x^2 + 3^2 = 5\sqrt{3}^2 \hookrightarrow 75 = 9 + x^2 \hookrightarrow \sqrt{66} = \sqrt{x^2}; \sqrt{66}\:[or\:8,1240384046...] = x \\ \\ \boxed{\boxed{8,1 \approx x}}[/tex]

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Which expression is equivalent to 2(3 −4)−(8+3)?

Answers

Answer:

-40

Step-by-step explanation:

Answer:

-13

Step-by-step explanation:

transfer transfer the system of equations by forming a matrix equation.

2x - 3y = 19
x + 2y = -1
he multiplies the left side of the coefficient matrix by the inverse matrix.

how does he proceed to the solution?​

Answers

Answer:

Step-by-step explanation:

[tex]\begin{bmatrix}2 & -3\\ 1 & 2\end{bmatrix}^{-1}\times \begin{bmatrix}2 & -3\\ 1 & 2\end{bmatrix}\times \begin{bmatrix}x\\y \end{bmatrix}=\frac{1}{7} \begin{bmatrix}2 & 3 \\ -1 & 2\end{bmatrix}\times \begin{bmatrix}19\\ -1\end{bmatrix}[/tex]  

Since, [tex]\begin{bmatrix}2 & -3\\ 1 & 2\end{bmatrix}^{-1}=\frac{1}{7}\begin{bmatrix}2 & 3\\ -1 & 2\end{bmatrix}[/tex]

And [tex]A^{-1}A=I[/tex]

[tex]\begin{bmatrix}x\\y \end{bmatrix}=\frac{1}{7}\begin{bmatrix}2 & 3\\ -1 & 2\end{bmatrix}\times \begin{bmatrix}19\\-1 \end{bmatrix}[/tex]

[tex]\begin{bmatrix}x\\y \end{bmatrix}=\frac{1}{7}\begin{bmatrix}35\\ -21\end{bmatrix}[/tex]

[tex]\begin{bmatrix}x\\y \end{bmatrix}=\begin{bmatrix}5\\ -3\end{bmatrix}[/tex]                

Therefore, x = 5 and y = -3 will be the value of variables.

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