4 years ago

If AC = 78 and AB = 26, find BC.

Mathematics

1 answer:

OLEGan [10]4 years ago

7 0

Answer:

Step-by-step explanation:

Step 1:

AB + BC = AC

Step 2:

26 + BC = 78

Step 3:

BC = 78 - 26

Answer:

BC = 52

Hope This Helps :)

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The length of a rectangle is four times its width. If the area is 400 cm squared, find its perimeter

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3 years ago

At the pet owner’s meeting, there are 20 people who own dog, and 35people who own cat and 9 people own goldfish. Some people own

Margaret [11]

Answer:

Step-by-step explanation:

Given that At the pet owner’s meeting, there are 20 people who own dog, and 35people who own cat and 9 people own goldfish. Some people own both catand dog and some people own both gold fish and cat. No dog owners owngoldfish. There are twice as many people who own both goldfish and catthan people who own both dog and cat.

Total no of people =52

The venn diagram attached gives a clear picture

assuming x to be owners of both dog and cat. Then 2x is for both goldfish and cats.

Totalling all mutually exclusive we get

64-3x=52

x=4

No of owners who own both cat and dog =4