There will be 115 guest at the reception how many tables are needed

Mathematics

2 answers:

Softa [21]3 years ago

6 0

Answer:14

Step-by-step explanation:

artcher [175]3 years ago

6 0

Answer:23

Step-by-step explanation:

115÷5=23

so you have 115 people u need 23 tables and 115 chairs only 5 chairs at each table which means only 5 people can sit per table

Hope this helps

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What is theta +2kpi in trigonometry

alekssr [168]

$\theta$ often denotes an angle, where $0\le\theta$ is conventionally used.

Adding $2k\pi$ , where $k$ is any integer, is the same as saying that $\theta$ is equivalent to $\theta\pm2\pi,\theta\pm4\pi,\theta\pm6\pi$ etc.

This is the case because a complete revolution has an angle measure of $2\pi$ , which means that adding any multiple of $2\pi$ to a given angle results in the same angle.

Example:

If $\theta=\pi$ , then $\cos\pi=-1$ . This is also true if $\theta=\pi+2\pi=3\pi$ , which gives $\cos3\pi=\cos(\pi+2\pi)=\cos\pi\cos2\pi-\sin\pi\sin2\pi=(-1)(1)-(0)(0)=-1$ .

6 0

3 years ago

xenn [34]

Using the probability concept, considering complementary probabilities, there is a 0.12 = 12% probability that the integer is of 20 or more.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

If two events are complementary, the <u>sum of their probabilities is of 1</u>. In this problem, we have that an integer being less than 20 is complementary to an integer being 20 or more.

We have that: