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Pepsi [2]
3 years ago
10

3x-5=1 x= How do I find x? And what is it?

Mathematics
2 answers:
SashulF [63]3 years ago
7 0

Answer:

x = 2

Step-by-step explanation:

Step 1: Write out equation

3x - 5 = 1

Step 2: Add 5 to both sides

3x = 6

Step 3: Divide both sides by 3

x = 2

Leviafan [203]3 years ago
7 0

3x - 5 = 1.

5 + 1 = 6

3x = 6

6 ÷ 3 = 2

x = 2.

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Step-by-step explanation:

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3 years ago
If/=%d then ad = bc. This is the<br> property.<br> Vocabulary
rosijanka [135]

Answer:15

Step-by-step explanation:

he will have 15 because he earned 15 more dollars and that would equal 30 -15 would be 15

15 +15=30 -15= 15

7 0
3 years ago
David y Angie tienen dos cartulinas iguales. David corta la suya en 3 trozos iguales y Angie la corta en 7 trozos. Los dos usan
Bess [88]

Answer:

(i) David ha empleado \frac{2}{3} de la cartulina.

(ii) Angie ha empleado \frac{2}{7} de la cartulina.

(iii) David ha usado más cartulina.

Step-by-step explanation:

El problema indica que David y Angie emplean una cartulina del mismo tamaño cada uno. David corta la suya en 3 pedazos iguales, mientras que Angie obtiene 7 pedazos iguales. Finalmente, cada uno emplea dos de sus pedazos. A continuación, respondemos a las preguntas del enunciado:

(i) <em>¿Qué fracción de cartulina ha usado David?</em>

La fracción de cartulina empleada por David es igual a los pedazos utilizados divididos por el total de pedazos. Esto es:

x = \frac{2}{3}

David ha empleado \frac{2}{3} de la cartulina.

(ii) <em>¿Qué fracción de cartulina ha usado Angie?</em>

Aplicando el mismo procedimiento del punto anterior, tenemos que:

x = \frac{2}{7}

Angie ha empleado \frac{2}{7} de la cartulina.

(iii) <em>¿Quién ha usado más cartulina?</em>

La persona que ha usado la mayor cantidad de cartulina es aquella que tiene el menor denominador. Por tanto, David ha usado más cartulina.

7 0
3 years ago
For the line = 36.5 + .48x, how do you interpret the value .48?rnrm.gif A. It's the amount of change in y when x increases by on
Xelga [282]

Answer:

A. It's the amount of change in y when x increases by one unit

Step-by-step explanation:

For this case we have the following linear model adjusted:

\hat y = 36.5 +0.48 x

Where y is the dependent variable, x the independent variable, 36.5 represent the intercept and 0.48 the slope.

We can analyze one by one the options to select the most appropiate.

A. It's the amount of change in y when x increases by one unit

True, for this case the slope is defined as:

m =0.48 \frac{\Delta y}{\Delta x}

And is defined as the amount of change in y when x increase 1 unit.

B. It's the value of y when x = 0

False the value of y when x=0 is y= 36.5+0.48(0) = 36.5

C. It's the value of x when y = 0

False, when y=0 we have this:

0=36.5 +0.48 x

x= -\frac{36.5}{0.48}=-76.04

D. It's the mean of the distribution for the response variable (y) around the explanatory variable (x)

False, the value 0.48 represent the slope obtained from an estimation of least squares and not represent the mean for the response variable y.

E. It's the amount of change in x when y increases by one unit.

False, is defined inverse as: the amount of change in y when x increase 1 unit.

4 0
3 years ago
27. Find the slope of the line. (1 point) <br>A.2<br>B.-2<br>C.3<br>D.-1​
Margarita [4]
The answer is -2 because the long goes down 2 on the y axis for every +1 on the x axis. This creates the slope fraction -2/1, which simplifies to -2.
7 0
3 years ago
Read 2 more answers
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