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Lady_Fox [76]
4 years ago
7

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

Mathematics
1 answer:
earnstyle [38]4 years ago
8 0

Answer:

-⅗ = x

Step-by-step explanation:

Here is what you get when you distribute the -2 on the left side of the equivalence symbol and combine like-terms on the right side of the equivalence symbol:

-2x - 4 = 3x - 1

Here is the solution:

-2x - 4 = 3x - 1

-3x -3x

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

-5x - 4 = -1

4 +4

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

-5x = 3

----- -----

-5 -5

x = -⅗

I am joyous to assist you anytime.

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Evaluate 1/2t + 3/8 when t = 1/4
ladessa [460]

Answer:

the answer is seven - eighths i think

Step-by-step explanation:

3 0
3 years ago
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The universal ga law PV=net describes the relationship among the pressure volume and temperature of a gas.
miskamm [114]

Answer:

R ≈ 8.31

Step-by-step explanation:

Filling in the given values ...

... pV = nRT

... 2·4.155 = 1·R·1

... 8.31 = R

7 0
3 years ago
Ian and his friends are renting a cabin that charges an initial fee plus a rate per night. The relationship between the cost and
Brut [27]

Answer:

Cost per night: 75

Equation: y = 75x + 50

Step-by-step explanation:

An equation to represent the situation can be written in the slope-intercept form, y = mx + b, where,

m = slope of the graph, which is the rate per night.

b = y-intercept, which is the initial fee. It is the point where the line intercepts the y-axis.

Let's find m, using two points on the line, (2, 200) and (4, 350)

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{350 - 200}{4 - 2} = \frac{150}{2} = 75

✅The cost per night = 75

y-intercept, b, = 50. The line intercepts the y-axis at y = 50, when x = 0.

Substitute m = 75, and b = 50 into y = mx + b.

✅The equation would be:

y = 75x + 50

6 0
3 years ago
Solve the following equation <br> -5x+3=68<br> What equals x
Tems11 [23]

Answer:

x = -13

Step-by-step explanation:

-5x+3=68

Subtract 3 from each side

-5x+3-3=68-3

-5x = 65

Divide each side by -5

-5x/-5 = 65/-5

x = -13

6 0
4 years ago
Read 2 more answers
INTRODUCTION TO FUNCTION COMMON CORE ALGEBRA II HOMEWORK <br> HELP SOMEONE PLEASE ‼️‼️‼️‼️‼️‼️‼️‼️
umka2103 [35]

Using the concept of function, it is found that:

  • Graphs B, C, D and F are functions.
  • Graphs A and E are not functions.

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

  • In a function, one value of the input can be related to only one value of the output.
  • In a graph, it means that for <u>each value of x(horizontal axis), there can only be one respective value of y(vertical axis). </u>That is, if a vertical line is traced at a value of x, it can cross the function only once, that is, there cannot be points aligned vertically.
  • In graphs B, C, D and F, it can be seen that <u>for each x value, there is only one respective y-value</u>, thus, they are functions.
  • In graphs A and E, for <u>values of x,</u> such as x = 3 for both, there are <u>two respective values of y</u>, thus they are not functions.

A similar problem is given at brainly.com/question/12463448

8 0
3 years ago
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