MATHEMATICS HIGH SCHOOL

PLEASE HELP ME ASAP!!! WILL MARK BRAINLIEST!!!In mathematics, we often discuss modeling. In geometry, we model the physical world with different shapes. In algebra, we model situations of change and variability with functions.

Where else have you heard the term model? How is that meaning of the word different from or the same as the meaning we use in algebra? good answers only

Answers

Answer 1
Answer:

Answer:

The definition of a model is a specific design of a product or a person who displays clothes, poses for an artist. An example of a model is a hatch back version of a car. An example of a model is a woman who wears a designer's clothes to show them to potential buyers at a fashion show. Algebra is a branch of mathematics dealing with symbols and the rules for manipulating those symbols. In elementary algebra, those symbols (today written as Latin and Greek letters) represent quantities without fixed values, known as variables.

Step-by-step explanation:

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Sarah is planning to spend a week at her friend’s summer house in Miami Beach. All meals will be provided by her friend’s parents, but Sarah still needs at least $500 to pay for her airfare and personal expenses for the week. She is selling bracelets and earrings to fund her trip. A graph representing this situation is shown below.Questions:
1.This region represents the combinations of bracelets and earrings that Sarah must sell in order to get a minimum of $500 profit to pay for her trip.
2.This region represents the area where Sarah sells a lot of earrings but not enough bracelets to reach her $500 goal.
3.This region represents the area where Sarah sells a lot of earrings but not enough bracelets to reach her $500 goal.

graph below ∨↓↓↓↓

Answers

Given:
x > 50
2x + 3y > 500

Bracelet is represented by x.
Earrings is represented by y.

Since x > 50 let us assume that x = 50 to get the value of y in the inequality equation.

2x + 3y       > 500
2(50) + 3y  > 500
100 + 3y    > 500
-100             -100
         3y     > 400
          ÷3         ÷3
           y     > 133 1/3

x > 50 ; y > 133 1/3

Let us assume that no bracelet was sold. x = 0 ; y =? 

2x + 3y     > 500
2(0) + 3y   > 500
0     + 3y   > 500
       ÷ 3          ÷3
            y   > 166 2/3

Let us assume that no earrings was sold; y = 0 ; x = ?
2x + 3y   > 500
2x + 3(0) > 500
2x + 0     > 500
2x           > 500
÷2               ÷2
x             > 250

Let us assume that we sold have of each item.
x = 250/2 = 125 ; y = 166 2/3 ÷ 2 = 100

2x + 3y              > 500
2(125) + 3(100) > 500
250 + 300         > 500
550                   > 500

To get at least $500, Sarah needs to sell at least 100 bracelets and 100 earrings.

the first one is region 2 and the second is region 3 i think

The Sum of 4 times one number and 3 times the second number is 65. The sum if the 2 numbers is 18. What are the numbers and equations you used

Answers

4x + 3y = 65
X + y = 18

When you use elimination, multiply the second equation by -3
4x + 3y = 65
-3X -3y = -54
X = 11


X+y = 18
11 + y = 18
Y = 7

An apple orchard sells apples in bags pf 3.5 pound bags the orchard sells 45 bags of apple each day how many pounds of apples does the orchard sell in 1 week?

Answers

each bag has 3.5 pounds 
they sell 45 bags a day
in one day the sell 45 x 3.5 = 157,5 pounds of apples
in one week (7 days) they sell 7 x 157,5 = 1102,5 pounds of apples

this person is right ^^^^^^^\^^^

The pentagon PQRST is transformed into P'Q'R'S'T' using which two transformations?A. reflection across the y-axis
B. translation 3 units to left and 3 units down
C. translation 2 units to right and 2 units up
D. reflection across the x-axis

Answers

The right answer for the question that is being asked and shown above is that: "B. translation 3 units to left and 3 units down." The pentagon PQRST is transformed into P'Q'R'S'T' using the two transformations: B. translation 3 units to left and 3 units down

Is this right? isn't the Directly proportional equation this. x=(1/k)y

Answers

It's y=kx. But 'k' is any constant. So my 'k' can easily be 1/(your k). The key is that when 'x' or 'y' increases by some factor, the other one also increases, by some constant multiple of the same factor. If so, then they're proportional.

Factor completely 16x4 - 64y8

Answers

Answer:

16 (x^4+4y^8) is the correct answer

Step-by-step explanation:
The only common factor is 16, as one term has x's and one has y's. 16(x^4-4y^8) is the answer
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