In geometry, what are reciprocals?

2 answers:

5 0

Reciprocals are simply fractions that are turned upside down. For example, what do you think is the reciprocal of 2/3? Right, it's 3/2. It can also be 1 1/2 because 3/2 is an improper fraction. :)

Amiraneli [1.4K]3 years ago

3 0

<span>The reciprocal is shown as 1/x, or x-1. When we multiply a number by its reciprocalwe get 1. Example: 3 times 1/3 equals 1. Also called the "Multiplicative Inverse" See: Multiplicative Inverse.</span>

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3 times what equal 19?

MissTica

Answer:

6 1/3

Step-by-step explanation:

3 times what equals 19 can be in the form of an equation as shown below. It shows that the value we are finding for is unknown, therefore it is a variable. A variable is the unknown value in an equation.

Equation: 3x = 19

With the equation in hand, we can now solve the problem easily.

3x = 19

Carry the 3 to the 19(Carry over the like terms across leaving the variable or the unknown)

x = 19÷3

x = 6.33333 or 6 1/3

To check if the answer was correct:

3 × 6 1/3 = 19

You regain the answer <em>19</em>

4 0

3 years ago

Read 2 more answers

Can someone please explain how to figure this out!!

kakasveta [241]

2.9% OF the 500 phones are more than likely defective. In order to figure this out you must do 500*0.029 which would equal 14.5 and rounds off to 15. 15 out of the 500 phones will maybe be defective.

6 0

3 years ago

Find the lateral surface area of the figure.

Brut [27]

Surface area of the cylinder = 816.4 sq. ft.

Solution:

Height of the cylinder = 21 ft

Diameter of the cylinder = 10 ft

Radius of the cylinder = 10 ÷ 2 = 5 ft

Use the value of $\pi$ = 3.14