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GenaCL600 [577]
3 years ago
14

use complete sentences to describe a relationship between two sets that you can describe mathematically. for example, if you mak

e a habit of eating 10 carrot sticks a day you could mathematically describe the relationship between the number of days in the month and the number of carrot sticks you eat in that month.
Mathematics
2 answers:
Kamila [148]3 years ago
6 0

For this case we will use the example of carrots.

The first thing we must do is define variables.

We have then:

x: number of days in the month

y: total amount of carrots consumed

We now write the relationship between the variables.

We know that you eat 10 carrots per day.

We have then:

y = 10x

Writing the relationship in complete sentences we have:

The relationship between the number of days and the number of carrots is directly proportional. The constant of proportionality is equal to ten.

Answer:

The relationship between the number of days and the number of carrots is directly proportional. The constant of proportionality is equal to ten.

y = 10x

Sliva [168]3 years ago
5 0
Every commensal at a dinner eats thre plates. Then the number of plates served at the dinner is three times the number of commensals.
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6x-5y=15 x=y+3 find x and y
arlik [135]

Answer:

(0, -3)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

6x - 5y = 15

x = y + 3

<u>Step 2: Solve for </u><em><u>y</u></em>

<em>Substitution</em>

  1. Substitute in <em>x</em>:                                                                                                  6(y + 3) - 5y = 15
  2. Distribute 6:                                                                                                    6y + 18 - 5y = 15
  3. Combine like terms:                                                                                        y + 18 = 15
  4. [Subtraction Property of Equality] Subtract 18 on both sides:                     y = -3

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Define original equation:                                                                               x = y + 3
  2. Substitute in <em>y</em>:                                                                                                   x = -3 + 3
  3. Add:                                                                                                                   x = 0
7 0
3 years ago
Find an equation of the line with the slope m= 3/2 that passes through the point (8,-3). Write the equation in the form Ax+By =
mr Goodwill [35]

Answer:

work is shown and pictured

4 0
4 years ago
Use addition to show how to find 16-9
Daniel [21]
It would be 9 + x =16 
To solve it, subtract 9 from both sides of the equal sign
So (9+x)-9=16-9
Which is x=7, so the answer is 7.
4 0
3 years ago
Read 2 more answers
1. What is the sum of the two vectors (-1,-4) and (3,5)?
mash [69]

What is the sum of the two vectors (-1,-4) and (3,5)

to find the sum we add x component with x and y with y

So

(-1+3) , ( -4+5) = (2,1)

Hence option B is the correct option


2. Evaluate the following expression: -1(5,-1) + 2(1,1)

-1(5,-1) + 2(1,1) = (-5 , 1) + (2,2)

= ( -3 , 3)

Second option is the correct


3. Evaluate the following expression (1,4) -5(1,1)

(1,4) -5(1,1)

= (1,4) (-5,-5)

= (1-5 , 4-5)

= (-4,-1)


4. Let v=(8,-4) and w=(-4,2). Which of the following is true?

as we can see

(8,-4) = -2(-4,2)

v= -2w

and also the Y component of w is 2


5. Which of the following vectors are orthogonal to (-1,3)?

The orthogonal vector will be (3,1) as the dot product is zero

(-1,3).(3,1) = (-3+3) = 0

Hence Option third is the correct one

8 0
4 years ago
Can someone explain how to do this? thank you
ella [17]

Answer:

В (50°)

Step-by-step explanation:

m∠XWY=180-95=85°

x=180-(m∠XWY+m∠XYW)=180-(85+45)=50°

7 0
3 years ago
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