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lora16 [44]
3 years ago
6

Which angles are complementary to each other, will give brainliest

Mathematics
1 answer:
gayaneshka [121]3 years ago
8 0

3 nd 4

Step-by-step explanation:

hope this helps

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Compute (1 + i)(2 + i)(3 + i).
Butoxors [25]

Answer:

10i

Step-by-step explanation:

multiply the parentheses

to get (2+i+2i+i^2) x (3+i)

i^2=-1

(2+i+2i-1) x (3+i)

collect like terms (1+3i) x (3+i)

multiply this out

3+i+9i+3i^2

3+10i+3(-1)

3+10i-3

10i

4 0
3 years ago
Find the mean of the weights.<br> 0.8158 0.8194 0.8164 0.8175 0.7911 0.8144 0.8123
denis23 [38]

Answer:

0.81241

if i'm wrong i'm rlly rlly sorry!!

4 0
3 years ago
A set of composite numbers less than 12 .express it in listing and set builder methods​
marusya05 [52]

Given:

A set of composite numbers less than 12.

To find:

The set by listing and set builder methods​.

Solution:

Composite number: A positive integer is called a composite number if it has at least one divisor other than 1 and itself.

Composite numbers less than 12 are 4, 6, 8, 9, 10.

By using the listing method , the given set can be expression as:

Set = {4, 6, 8, 9, 10}

The numbers 4, 6, 8, 9, 10 are greater than 1, less than 12 and non prime numbers.

By using set builder method, the given set can be expression as:

Set = \{x|x\neq P,1

Therefore, the list and set builder notation of the given set are {4, 6, 8, 9, 10} and \{x|x\neq P,1 respectively.

5 0
3 years ago
Which of these sentences is always true for a parallelogram?
Murljashka [212]
The answer is d. opposite angles are congruent.
4 0
3 years ago
Read 2 more answers
The perimeter of the rectangle is 2,500 cm. Find the unknown side length. the other side is 750
sineoko [7]

Answer:

<h2>500 cm</h2>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

From the question we have

2500 = 2l + 2(750) \\ 2500 = 2l + 1500 \\ 2l = 2500 - 1500 \\ 2l = 1000 \\  \frac{2l}{2}  =  \frac{1000}{2}  \\ l =  \frac{1000}{2}  \\  l = 500

We have the final answer as

<h3>500 cm</h3>

Hope this helps you

4 0
3 years ago
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