Please help me!!!!!!!!!!!

Mathematics

1 answer:

kondor19780726 [428]3 years ago

5 0

Answer:

What is the sum of 4 and 11?

The answer you get when you add 4 and 11 together is called the sum. The sum of 4 and 11 is displayed below:

In math terms, the sum of 4 and 11 would be written as follows:

4 + 11 = 15

When you need to find the sum of numbers such as 4 and 11, just remember that you need to add the numbers together to get the sum.

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Multiplying an even number of negative numbers gives an answer that is ______________ choose from:positive

fomenos

Keywords:

<em>Pair of numbers, negatives, law of signs, multiply </em>

For this case we must say that it is obtained by multiplying any even number of negative numbers, that is, if a positive or negative number is obtained.

We must bear in mind that the Law of Signs states that:

$+ * + = +\\+ * - = -\\- * + = -\\- * - = +$

For example:

Let -a, -b, -c, -d negative numbers, we have:

A pair: $(-a) * (- b) = + ab$

Two pairs: $(-a) * (- b) * (- c) * (- d) = (+ ab) * (+ cd) = + abcd$

This is true for the multiplication of any pair of negative numbers.

So, the answer is: You get a positive number

Answer:

A positive number is obtained

4 0

4 years ago

Ughh help me i have to turn this in today T^T

irakobra [83]

Answer:

1. Mark will be at the restroom if he turns 90 degrees.
2. Mark will be at the carousel if he rotates 180 degrees.
3. Mark will be at the restrooms if he rotates 270 degrees.

6 0

3 years ago

Read 2 more answers

On a huge site in San-Diego the whole new street of houses was constructed. To put the numbers on all new buildings the plates w

Papessa [141]

<h2>There are 45 houses on the left and require 95 plates, while there are 44 houses on the right and require 94 plates</h2>

Step-by-step explanation:

Houses are numbered from 1 to 99. So, there are 99 houses. Odd-numbered houses are on the left. So, there are 50 houses on the left, while there are 49 houses on the right.

For houses on left : The houses are numbered 1, 3, 5, 7, 9, 11, 13..... 97, 99

So 5 houses( 1, 3, 5, 7, 9) require only one plate for numbering, while the remaining 45 houses require 2 plates each. So total number of plates = $5\textrm{x}1+45\textrm{x}2$ = $95$ plates.

For houses on right : The houses are numbered 2, 4, 6, 8, 10, 12, 14.... 96, 98

So 4 houses( 2, 4, 6, 8) require only one plate for numbering, while the remaining 45 houses require 2 plates each. So total number of plates = $4\textrm{x}1+45\textrm{x}2$ = $94$ plates.