What is the value of ×? 5× =20

Mathematics

2 answers:

Dovator [93]4 years ago

5 0

Answer:

Step-by-step explanation:

5 times 4 = 20

20 divided by 5 = 4

Nikitich [7]4 years ago

3 0

the answer is x=4 let me know if that helps

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Assoli18 [71]

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3 years ago

Jace measured a line to be 14 inches long. If the actual length of the line is

Phantasy [73]

Answer:

6.87022901%

Step-by-step explanation:

He measured 14 out of 13.1 inches. There is a difference of 0.9 inches when u subtract. He miscalculated by 0.9 out of 13.1. In a calculator you divide .9 by 13.1 you get 0.0687022901. Multiply by 100 to get the percent and round it to your desired decimal place.

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3 years ago

A triangular plot of land has one side along a straight road measuring 147147 feet. A second side makes a 2323degrees° angle wit

ch4aika [34]

Answer:

81.23 ft and 77.88 ft long

Step-by-step explanation:

The sum of the internal angles of a triangle is 180 degrees, the missing angle is:

$a+b+c=180\\a+23+22=180\\a=135^o$

According to the Law of Sines:

$\frac{A}{sin(a)}= \frac{B}{sin(b)}= \frac{C}{sin(c)}$

Let A be the side that is 147 feet long, the length of the other two sides are:

$\frac{A}{sin(a)}= \frac{B}{sin(b)}\\B=\frac{sin(23)*147}{sin(135)}\\B=81.23\ ft\\\\\frac{A}{sin(a)}= \frac{C}{sin(c)}\\C=\frac{sin(22)*147}{sin(135)}\\C=77.88\ ft$