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Pachacha [2.7K]
3 years ago
12

HELP I AM SO CONFUSED AND I NEED A GOOD GRADE

Mathematics
2 answers:
kirill115 [55]3 years ago
3 0
I can’t see the question
Tom [10]3 years ago
3 0
I cant read the question cause it's blurry
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The table below gives data from a linear function. find a formula for the function.
baherus [9]
Given the following table that gives data from a linear function:

\begin {tabular}
{|c|c|c|c|}
Temperature, $y = f(x)$ (^\circ C)&0&5&20 \\ [1ex]
Temperature, $x$ (^\circ F)&32&41&68 \\ 
\end {tabular}

The formular for the function can be obtained by choosing two points from the table and using the formular for the equation of a straight line.

Recall that the equation of a straight line is given by
\frac{y-y_1}{x-x_1} = \frac{y_2-y_1}{x_2-x_1}

Using the points (32, 0) and (41, 5), we have:
\frac{y-0}{x-32} = \frac{5-0}{41-32}= \frac{5}{9}  \\  \\ \Rightarrow y=\frac{5}{9}(x-32)
4 0
3 years ago
Combine like terms y+4+5(y+8)
mote1985 [20]

Answer:

6y+44

Step-by-step explanation:

7 0
3 years ago
Layla requires 2.25 pounds of cream cheese for a cake. She has 4 ounces of cream cheese. Cream cheese is available in the store
nikklg [1K]

Answer:

4 blocks of cream cheese

Step-by-step explanation:

there are 16 Ounces in a pound.

You have 4 ounces of cream cheese.  4 is 25% of 16 so we subtract .25 from the required amount which is 2.25.

NOW we need 2 pounds. well, each block is 8 ounces, and we need in total 32 ounces. 32/8=4 blocks

6 0
3 years ago
At Anne’s Fabric Emporium, a yard of chiffon fabric cost $7.85. Lee plans to purchase 0.8 yard for a craft or project. How much
mr_godi [17]
Okay. So Lee is buying 0.8 yard of fabric from Anne’s and a whole yard costs $7.85. To find out how much it would cost, multiply 7.85 * 0.8. When you do that, you get 6.28. Lee will spend $6.28 on chiffon fabric.
4 0
3 years ago
¿Cuál es el sistema de ecuaciones que permite obtener el precio por litro de los dos tipos de
vampirchik [111]

El sistema de ecuaciones que permite obtener el precio por litro de los dos tipos de gasolina es 8x + 10y = 302.12 y 12x + 12y = 400.08​ (opción D)

Una ecuación es una expresión matemática que se caracteriza por representar una igualdad entre dos miembros separados por el signo igual. La ecuaciones incluyen elementos conocidos e incógnitas relacionados mediante operaciones matemáticas.

De acuerdo a lo anterior la respuesta correcta es 8x + 10y = 302.12 y 12x + 12y = 400.08​. Por que estas ecuaciones expresan matemáticamente los datos que se tienen y las incógnitas con las letras <em>x</em> y <em>y</em>.

Por ejemplo, la primera expresa que 8 (litros) por el precio del galón de gasolina Magnum (<em>x</em>), más 10 (litros) por el precio del galón de gasolina Premium (<em>y</em>) es igual a 302.12, que fue el precio total que pagó Carlos por la gasolina.

La segunda ecuación expresa que 12 (litros) por el precio del galón de gasolina Magnum (<em>x</em>) más 12 (litros) por el precio del galón de gasolina Premium (<em>y</em>) es igual a 400.08, que fue el precio total que Raquel pagó por la gasolina.

Esta pregunta está incompleta porque faltan las opciones e información sobre la gasolina. A continuación está la información completa y las opciones.

Carlos compró 8L de gasolina Magnum y 10 litros de gasolina premium por 302.12

Raquel compró 12L de gasolina Premium y 12L de gasolina magnum por 400.08

A) 8x + 12y = 302.12

10x + 12y = 400.08

B) 8x + 12y = 400.08

10x + 12y = 302.12

C) 8x + 10y = 400.08

12x + 12y = 302.12

D) 8x + 10y = 302.12

12x + 12y = 400.08​

Aprenda más en: brainly.com/question/21880298

6 0
3 years ago
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