its B Step-by-step explanation:
Using the arithmetic formula a1 + (n-1) d, a1 being the first term, n being the number you’re looking for and d being the common difference, you will get the answer of -57.
Here’s the work:
27 + (29 - 1) -3
27 + (28) -3
-57
First find the value or (DEA)
For this you will have to use the Pythagorean theory,

C is mainly the hypotenuse,
Meaning you either want to find A or B,
Since the hypotenuse has two segments, both values are 10, then just add them together making it 20,
Then 16 will be A or B, in this case it will be A,
To find a you must first move A to the other side by doing the opposite,

Now plug in the values,



Now just find the square root of both factors,

The value of (DEA) is,

Now we want to find (d)
Since 12 is the value of the base, then divide it 2 to find (DE), after just repeat the whole process but with the value of hypotenuse 10 instead of 20 since we want to find the smaller triangle,

Now plug in the value



Now find the square root of both factors,


The value of (d) is (8)
Hope this helped
:D
The Scale used on blueprint is 1 inches represents 4/3 feet
Scaling is the increase or decrease in size of a figure or object so as to create an image of that object.
Since on the blueprint, the walls measure 10 feet by 12 feet but on the blue print it measures 7.5 inches by 9 inches. Hence:
Scale used on blueprint is 7.5 inches = 10 feet or 9 inches = 12 feet
1 inches = 4/3 feet
The Scale used on blueprint is 1 inches represents 4/3 feet
Find out more at: brainly.com/question/20095188
Answer:
15
Step-by-step explanation:
sqrt230=15.165...