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horsena [70]
3 years ago
11

Solve each of the following equations for the missing variable.

Mathematics
2 answers:
White raven [17]3 years ago
6 0

Answer:

x = -20

Step-by-step explanation:

- 2.5x - 10 = 40

Collect like terms and simplify

- 2.5x = 40 + 10 \\  - 2.5x = 50

Divide both sides of the equation by -2.5

\frac{ - 2.5x}{ - 2.5}  =  \frac{50}{ - 2.5}

Simplify

x =  - 20

Ierofanga [76]3 years ago
4 0
The answer for -2.5x-10=40 would be:
x = - 20.
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Alenkasestr [34]

Answer:

The length and width of the rectangle are 20 feet and 31.25 feet, respectively.

Step-by-step explanation:

Let the scale be 4\,in\,:\,5\,ft and the dimensions of the rectangle being 4 inches and 5 inches, respectively. The scale (r), measured in inches per feet, is equivalent to the following rational number:

r = \frac{4\,in}{5\,ft}

We can convert each length by dividing it by scale factor. That is:

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3 years ago
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Answer:

52

Step-by-step explanation:

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Find the sum of the first 10<br> terms.<br> 40,37,34,31,...
MArishka [77]

Answer:

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Step-by-step explanation:

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3 years ago
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