Find the perimeter of a rectangle whose length is 3 square root 5 and width is 2 square root 7
Answers
The rectangle has a length of 3√5 and a width of 2√7. The perimeter is calculated as 23.9 approximately.
Use the concept of a rectangle defined as:
Rectangles are four-sided polygons with all internal angles equal to 90 degrees. At each corner or vertex, two sides meet at right angles. The rectangle differs from a square in that its opposite sides are equal in length.
Given that,
Length of the rectangle: 3√5
Width of the rectangle: 2√7
To find the perimeter of a rectangle,
Use the formula P = 2(length + width).
In this case,
The length is 3√5 and the width is 2√7.
Applying the formula, we get:
P = 2(3√5 + 2√7)
To simplify this expression, distribute the 2:
P = 6√5 + 4√7
p ≈ 23.9
Hence,
The perimeter of the rectangle is approximately 23.9.
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Answer:
Step-by-step explanation:
Area=Length times width
A=3*2
A=6
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Answers
Answer:
the value of j in the given expression is: 16
Step-by-step explanation:
we are given the expression as:
so on squaring both side we have .
Hence the value of j is 16.
The equation is:
√j + √j + 14 = 3√j + 10
2√j + 14 = 3√j + 10
14 - 10 = 3√j - 2√1
4 = √j
Now, we will square both sides of the equation:
4² = (√j)²
16 = j.
Therefore, j is 16.
Answers
Answer:
Option 2 is correct.i.e., Equation that most accurately depicts the word problem is x + ( x + 2 ) = 30
Step-by-step explanation:
let x be no of pennies and y be no of nickles.
Mary Lou has total 30 coins all together means,
x + y = 30
⇒ y = 30 - x ....................(1)
Mary Lou has 2 more nickles than pennies means,
y = x + 2
30 - x = x + 2 (from eqn (1))
30 = x + x + 2
x + ( x + 2 ) = 30
Therefore, Option 2 is correct.i.e., Equation that most accurately depicts the word problem is x + ( x + 2 ) = 30
14 pennies and 16 nickels
Answers
Answer:
try it again and it might work
Step-by-step explanation:
that happened to me I just did it again and it worked
Answers
Answer:
.88
Step-by-step explanation:
We can use this equation:
Where:
- N is the increase factor (N=512)
- R is the reduce factor (R=8)
- D is the dimension
We just need to solve it for D
.88
Therefore the dimension will be 3
I hope it helps you!
Answer:
The dimension is 4
Step-by-step explanation:
Using the equation
N = R^d
Where,
N is the increase factor = 512
R is the reduce factor = 8
d is the dimension
512 = 5^d
Solving by logarithm
1log 512 = d log 5
D = log 512 ÷ log 5
= 3.87
Approximately 4
Answers
Given:
perimeter = 30 units
scale factor = 0.5
30 units * 0.50 = 15 units
The perimeter of the resulting triangle is 15 units.
Answers
Answer: He will walk 2 1/4 miles in an hour