**Answer:**

393

**Step-by-step explanation:**

PLZ HELP ME

In 2001, gold was priced at (0.5x + 300) dollars per ounce. Its price tripled in 2008 and then doubled in 2011. In 2016, its price dropped to 2 3 of the price in 2011.

• Write an expression for the price of gold per ounce in 2016.

• Explain how you found the expression.

**Answer:**

[tex]2x + 1200[/tex]

**Step-by-step explanation:**

[tex].5x + 300 \\ 3(.5x + 300) = 1.5x + 900\\ 2(1.5x + 900) = 3x + 1800 \\ \frac{2}{3} (3x + 1800) = 2x + 1200[/tex]

Each new line represents the change stated in the question.

Add my snaq k1nglean if anyone wants to ttrade you gotta be 16+

Alright waittt trade picsss omgggg this is a school website I’m just playing with you

Shannon's little brother is 7 weeks old. She is exactly

3 years and 3 days older than he is. How old is Shannon in days?

Assume that a year is 365 days.

**Answer:**

1147 days

**Step-by-step explanation:**

3x365= 1095

7x7=49

1095+49+3=1147

So 7 weeks is 49 days right? So know we need to figure out how many days are in three years. (365 times 3) the answer is 1,095. Add that to 49. The answer is 1,144. Add three. The answer is 1,147.

6(x-2=4(x+3) what does x equal

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**➛**** ****6****(****x-2****)**** ****=**** ****4****(****x****+****3****)**

**➛**** ****6x-12**** ****=**** ****4x**** ****+**** ****12**** **

**➛**** ****6x**** ****-**** ****4x**** ****=**** ****12**** ****+**** ****12**

**➛**** ****2x**** ****=**** ****24**

**➛**** ****x**** ****=**** ****[tex] \frac{****24****}{****2****} [/tex]**

**⛬**** **** ****x**** ****=**** ****12**** **

What is the average rate of change in height over the entire 5 seconds?

**Answer:“To get the average rate of change between 2 points...” To get the average rate of change between 2 points, plug in their coordinate values into the equation (y2-y1)/(x2-x1). The values come from the points (x1,y1) and (x2,y2).**

**Step-by-step explanation:**

Two pounds of grapes cost $6. How many pounds of grapes can

you get for $1? (hint: write a repeating decimal as a fraction)

**Answer:**

1/3 of a pound .333

**Step-by-step explanation:**

6/2 =3

1/3= .333

**Answer:**

1/3 to 1 and 1 to 3

**Step-by-step explanation:**

Jayvon has 33.6 points in a competition. He loses 5.5 points,

Write and then evaluate an addition expression to determine Jayvon's current points.

**Answer:**

33.6+(-5.5)=28.1

**Step-by-step explanation:**

Since positive times negative is equal to negative, we can multiply -5.5 by an addition symbol, making it an addition problem, and making it the same expression.

To evaluate the expression, we can do 33.6-5.5.

When adding or subtraction decimals, write it stacked like a normal problem, and line up the decimal places, like so.

33.6-

5.5

Then you can subtract normally, getting 28.1

help show work

assig 8

(a)solve the inequality

(b)graph the solution on the real number line.

(c)write the solution in interval notation.

29

30

31

32

33

**Answer: see below**

Step-by-step explanation:

29) -5x ≥ 30

÷ -5 ↓ ÷ -5

x ≤ -6

Graph: ←--------- ·

-6

Interval Notation: (-∞, 6]

30) -4x < -40

÷ -4 ↓ ÷ -4

**x > 10**

Graph: o---------→

10

Interval Notation: (10, ∞)

31) 2x - 5 ≥ -11

+5 +5

2x ≥ -6

÷ 2 ÷ 2

**x ≥ -3**

Graph: · ---------→

-3

Interval Notation: [-3, ∞)

32) 8 - 3x > 20

-8 -8

-3x > 12

÷ -3 ↓ ÷ -3

**x < -4**

Graph: ←---------o

-4

Interval Notation: (-∞, -4)

33) 4x - 11 < 7x + 4

-7x -7x

-3x - 11 < 4

+ 11 +11

-3x < 15

÷ -3 ↓ ÷ -3

**x > -5**

Graph: o---------→

-5

Interval Notation: (-5, ∞)

which two ratios quantities that are proportional

A. 9/5 and 19/10

B. 25/25 and 20/24

C. 4/6 and 10/16

D. 15/10 and 21/14

**Answer:**

A

**Step-by-step explanation:**

9/5 and 19/10 so yeah hope it helps

**Answer:**

C. 15/10 and 21/14

**Explanation:**

A P E X

Which point lies on the graph of the function shown below y=-x^2+5x-3

A.(1,4)

B.(0,3)

C.(2,3)

D.(-2,2)

**Answer:**

C: (2,3)

**Step-by-step explanation:**

to solve this algebraically just plug in the x and y values of the points and see if they are true, but here is the graph to juse show you

What is the location of H' after the image is rotated 180 degrees?

**Answer:**

The answer is B

**Step-by-step explanation:**

If you were to rotate the shape 180* it would turn 2 times leaving the point "H" at (5, -3)

Which expression is equivalent to 5 (h + 9)?

**Answer:**

5(m+9) = 5m+25

**Answer:**

5(m+9) = 5m+25

**Step-by-step explanation:**

durrrrrrrrrrrrrrr

Two integers have a difference of 18 and a sum of 2. What is the product of the two integers?

**Answer:**

the product of the two integers is -80

**Answer:**

-80

**Explanation:**

it was on a mathcounts competition

someone help with this ASAP I HAVE FEW MINS !!!

**Answer:**

Symmetric

**Step-by-step explanation:**

What is the slope of the line?

I NEED HELPP?!

**Answer:**

**Slope of a line = rise/run**

**Your answer: **

**m = 8/5**

What Is 2+4? I need to know.

**Answer:**

the answer is 6

**Step-by-step explanation:**

**Answer:**

6! Hope this helps have a great night!!!!

**Step-by-step explanation:**

May I plz have brainliest?

solve 3(x-4)=16+5x show work

**Answer:**

hi… I think it's written that way

rrange the numbers in decreasing order.

a.

8.508

8.58

7.5

7.058

**Answer:**

8.58

8.508

7.5

7.058

**Step-by-step explanation:**

**Answer:**

8.58, 8.508, 7.5, 7.058

**Step-by-step explanation:**

Um, I think this means greatest to least.

8.58, 8.508, 7.5, 7.058

Look at the place values.

the farm covers an area of 13square miles. The farm is divided into 4 equal sections, as shown in this diagram. What is the area, in square miles, of each section?

**Answer:**

p[

**Step-by-step explanation:**

p[

PLEASE I NEED HELP FIND THE X USE THE SCREEN SHOT

The answer is 29 for x

Using the scale 1 cm : 5 meters, Tamara calculated the length of her old gym to be 45 meters and the width to be 20 meters.

Using a new scale, 1 cm : 10 meters, she found the length of the new gym to be 90 meters.

The width of the new gym is

meters.

The length and width of the new gym are

times the length and width of the old gym.

**Answer:**

1.The width of the new gym is **40**

2.The length and width of the new gym are

times the length and width of the old gym **2**

**Answer:**

The width of the new gym is 40 meters.

The length and width of the new gym are 2 times the length and width of the old gym.

**Step-by-step explanation:**

please help! i would appreciate it!

Answer:

(Answer

Step-by-step explanation:

deleted)

29 2/3 divide 7 1/2

what’s the answer

Answer:2 5/42 or 89/42

Step-by-step explanation:

The answer would be 1/21

I tried to just write the answer but they said I had to write 20 sentence.

I tried to just write the answer but they said I had to write 20 sentence.

if triangle ocd ≅ triangle JAL, then which of the following statements are true?

Answer:

I III and IV

Step-by-step explanation:

According to the **SAS **(Side Angle Side) **postulate**, the **side OC **is **congruent **to side **JA**, the **angle COD **is **congruent **to angle **AJL**, and the **angle DCO **is **congruent **to angle **JAL**.

Given :

Triangle OCD ≅ Triangle JAL

The given **triangles **can be **similar **through the **ASA postulate**. According to the **Angle Side Angle **postulate, **two angles **and included **side** of one triangle is **congruent **to the other **two angles **and included **side** of another triangle then **both **the **triangles **are **congruent**.

So **according **to the **SAS **(Side Angle Side) postulate, the **side OC **is **congruent **to side **JA**, the **angle COD **is **congruent **to angle **AJL**, and the **angle DCO **is **congruent **to angle **JAL**.

Therefore, the **correct **option is **D)**.

For more information, refer to the link given below:

https://brainly.com/question/10629211

The cost of a speeding ticket is a function of each mile per hour that exceeds the speed limit multiplied by a fixed rate of $2 plus a $40 processing fee.Write the function that represents this relationship.Then determine the cost of a speedingticket for a car that has gone 50 mph in a 35 mph zone

The cost of the **speeding **ticket for a car that has gone 50 mph in a 35 mph zone is $70.

In mathematics, a function is a relationship between two sets of numbers, known as the domain and the range, that assigns each element of the domain a unique **element **in the range. A function can be thought of as a machine that takes input from the domain and produces output in the range.

More formally, a function f from a set X to a set Y is denoted as f: X → Y

For example, the function f(x) = 2x assigns to each real number x a unique real number 2x. When x = 1, f(1) = 2; when x = -3, f(-3) = -6.

Functions can be represented in a variety of ways, including algebraic expressions, tables of values, and graphs. The graph of a function is a visual representation of the **relationship **between the input and output values, and can be used to analyze the behavior of the function.

Functions are important in many areas of mathematics, science, and engineering, and are used to model relationships between quantities, solve problems, and make predictions. They are also used in computer programming, where they are used to encapsulate behavior and modularize code.

The function that represents the relationship between the speed of a car and the cost of a speeding ticket can be expressed as:

C(x) = 2(x - L) + 40

where:

C(x) is the cost of the speeding ticket for a car traveling at speed x (in mph).

L is the speed limit (in mph).

(x - L) represents the **number **of miles per hour over the speed limit that the car was traveling.

The fixed rate is $2 per mile per hour over the limit, and there is a $40 processing fee added to every ticket.

To determine the cost of a speeding ticket for a car that has gone 50 mph in a 35 mph zone, we substitute the values for x and L into the formula above:

C(50) = 2(50 - 35) + 40

C(50) = 2(15) + 40

C(50) = 30 + 40

C(50) = $70

Therefore, the cost of the speeding ticket for a car that has gone 50 mph in a 35 mph zone is $70.

To know more about **number **visit:

**https://brainly.com/question/29766862**

#SPJ1

PLS HELP WITH THIS QUESTION

C would be the answer to this problem!

**Answer:**

I think C

**Step-by-step explanation:**

Plz help me I’ll give brainliest!!

**Answer:**

k = 1

**Step-by-step explanation:**

The equation of a parabola in vertex form is

f(x) = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (4, 1 )

with k = 1

Leslie gained 5.54 pounds between her third and fourth birthdays. If she weighed 42.48 pounds when on her fourth birthday, how much did she weigh in pounds on her third birthday? Does this mean to add or subtract? Pick the correct operation and solve ONLY that one.

Answer:

We Subtract

Her weight on her third birthday = 36.94 pounds

Step-by-step explanation:

Does this mean to add or subtract? This means we add. The operation we are using is SUBTRACTION

Leslie GAINED 5.54 pounds between her third and fourth birthdays.

This means she added weight

She weighed 42.48 pounds on her Fourth birthday

Hence, Her weight in her third birthday is:

Third birthday + 5.54 pounds = 42.48

$42.48

Third birthday = 42.48 - 5.54

= 36.94 pounds

Her weight on her third birthday = 36.94 pounds.

HELP ASAP I'M GIVING BRAINLIEST

**Answer:**

the picture is blurry is it only like that for me?

12. A worker can pack 72 boxes of oranges in 2 hours. At this rate, how many boxes of oranges can she pack

in 8 hours?

72/2

36

36*8

Answer

288

36

36*8

Answer

288

228 because 72x4 or 36x8

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