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n200080 [17]
3 years ago
11

How many possible triangles for the following: A=85°; a=8cm; b=22cm

Mathematics
1 answer:
Maurinko [17]3 years ago
5 0
The answer to your question is A
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The area of a rectangular wall of a barn is 85 square feet. Its length is 12 feet longer than the width. Find the length and wid
MaRussiya [10]

Answer:

Length = 17 feet, Width = 5 feet

Step-by-step explanation:

Given:

The area of a rectangular wall of a barn is 85 square feet.

Its length is 12 feet longer than the width.

Question asked:

Find the length and width of the wall of the barn.

Solution:

Let width of a rectangular wall of a barn = x

<u>As length is 12 feet longer than the width.</u>

Length of a rectangular wall of a barn = 12+x

As we know:

Area\ of\ rectangle=length\times breadth

85=(12+x)x\\\\85=12x+x^{2} \\

Subtracting both sides by 85

x^{2} +12x-85=0\\x^{2} +17x-5x-85=0\\Taking\ common\\x+(x+17)-5x(x+17)=0\\(x+17)(x-5)=0\\x+17=0, x-5=0\\x=-17,x=5

As width can never be in negative, hence  width of a rectangular wall of a barn = x = 5 feet

Length of a rectangular wall of a barn = 12+x=12+5=17\ feet

Therefore, length and width of the wall of the barn is 17 feet and 5 feet respectively.

                 

4 0
3 years ago
What property is being illustrated below?<br> 2(7+3)=2(7)+2(3)
AleksAgata [21]

Answer: Associative property

Step-by-step explanation:

8 0
2 years ago
What is the average rate of change of the function on the interval from x = 0 to x = 5?
bixtya [17]
The average rate is 3^x/2
8 0
3 years ago
Read 2 more answers
Cuanto es 1 sobre 3 de 15?<br>​
Ivenika [448]

Answer:

5

Cinco es en quince 3 veces igualmentes, 1 vez es uno sobre tres de  15.

7 0
2 years ago
2. What is an equation line that pass-cs through the point (3,-1) and h (4)
joja [24]
Y=mx+b
m=slope
b=y intercept
we are given (3,-1)
one solution is x=3 and y=-1 or
when x=3 then  y=-1
also slope=2
so
y=2x+b
subsitue 3 for x and -1 for y and solve for b
-1=2(3)+b
-1=6+b
subtract 6
-7=b

y=2x-7 is equation


answer is number 4
5 0
3 years ago
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