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shusha [124]
3 years ago
13

Relationship B has a lesser rate than Relationship A. The graph represents Relationship A.

Mathematics
2 answers:
choli [55]3 years ago
5 0

we have that

1) Relationship B has a lesser rate than Relationship A

2) The graph represents Relationship A

we know that

The rate is equal to the slope of the linear equation in the graph

Step 1

<u>Find the slope of the Relationship A</u>

we have

A(1,3)\\B(2,6)

we know that

The formula to find the slope m between two points is equal to

m=\frac{(y2-y1)}{(x2-x1)}

substitute the values

m=\frac{(6-3)}{(2-1)}

m=\frac{(3)}{(1)}

mA=3

Step 2

<u>Find the equation that could represent Relationship B</u>

we know that

Relationship B has a lesser rate than Relationship A

so

the slope of the Relationship B is less to the slope of the Relationship A

mB < 3

therefore

<u>the answer is</u>

y=x ------> because the slope is 1

y=(3/2)x ------> because the slope is 1.5

Tomtit [17]3 years ago
4 0

Answer:

to put it simple its

A. y= 3/2x

C. y=x

Step-by-step explanation:

took the test

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Answer:

Formula is ×3

Step-by-step explanation:

4×3=12

12×3=36

36×3=108

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4 years ago
A test is worth a total of 150 points and contains 70 questions. Some of the questions are worth 2 points and some are worth
FrozenT [24]

Answer:

65 two-point questions, and 5 four-point questions.

Emma answered 2 four-point questions.

Step-by-step explanation:

1. Assigning variables and writing equations

We will set the number of 2 point questions as "x" and number of 4 point questions as "y"

We know that:

x+y=70 (number of 2 point questions+number of 4 point questions=total number of questions)

2x+4y=150 (number of points that a two point question is worth*number of two point questions+number of points that a four point question is worth*number of four point questions=total points on test)

2. Combining equations

x+y=70, 2x+4y=150

We will solve one of these equations.

x+y=70

x=70-y

Next, we will substitute the other equation with this solution.

2*(70-y)+4y=150

140-2y+4y=150

2y=10

y=5

Use this solution to find x.

x+y=70

x+5=70

x=65

<em>We found that there are 65 two-point questions, and 5 four-point questions. </em>

3. Finding Emma's test results

In this case, we know how many two-point questions she answered. So, we will only be using one variable in this equation, which is y.

46*2+4y=100

92+4y=100

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<em>So, she answered 2 questions correctly. </em>

4 0
3 years ago
Rocío trabaja en una peluquería, le pagan $50 por corte realizado, adicionalmente recibe $25 al día. Si el día miércoles recibió
skad [1K]

Usando conceptos de funciones lineales, se encuentra que hizo 5 cortes.

----------------

Una funcion lineale tiene el seguiente formato:

y(x) = ax + b

En que:

  • a eres lá inclinacion, o sea, lo que es pago por cada corte.
  • b eres el intercepto, o sea, lo pagamiento fixo por día.

----------------

  • Pagan $50 por corte realizado, o sea, a = 50.
  • $25 fixo al día, o sea, b = 25

Entonces, la funcion de su recibimiento y, como funcion de su numero de cortes x, es da por:

y(x) = 25 + 50x

----------------

  • Recibió $275, o sea, y(x) = 275

Entonces, el numero de cortes es:

y(x) = 25 + 50x

25 + 50x = 275

50x = 250

x = \frac{250}{50}

x = 5

Realizó 5 cortes.

Un problema similar se encuentra en  brainly.com/question/18070326

7 0
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