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Lemur [1.5K]
3 years ago
8

9. Find the diagonal of a square with perimeter 28 meters.

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

diagonal of square = d = 9.899

Step-by-step explanation:

let side of square = x

diagonal of square = d

perimeter = P = 28

4 * x = P

x = 28/7

x = 7

By using Pythagorean theorem we get

x^2 + x^2 = d^2

7^2 + 7^2 = d^2

d^2 = 98

d = sqrt(98)

diagonal of square = d = 9.899

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Analyze the key features of the graph f(x) = 1/x+3 -2
tia_tia [17]
<h2>Explanation:</h2><h2></h2>

Here we have the following rational function:

f(x) = \frac{1}{x+3} -2

So the graph of this function is shown in the First Figure below. Let's define another function which is a parent function:

g(x)=\frac{1}{x}

Whose graph is shown in the second figure below. So we can get the graph of f from the graph of g this way:

Step 1. Shift the graph 3 units to the left:

f_{1}(x) = \frac{1}{x+3}

Step 2. Shift the graph 2 units down:

f(x) = \frac{1}{x+3}-2

Finally, the features of the graph of f are:

The graph of this function comes from the parent function g and the transformations are:

  • A shifting 3 units to the left
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8 0
3 years ago
Question 8...................
miv72 [106K]

Answer:

(a) 53%

(b) 25%

Step-by-step explanation:

There are 51 families who are Not a Homeowner and who own No car or one car, and there are 108 families who are Not a Homeowner and who own Two or more cars. You can add these two numbers together to find how many families are <u>only</u> not a Homeowner - no matter how many cars they own the question doesn't ask that. You do the same thing for question b; you add up 24 and 51 to get 75 total families who have no car or one car. However, despite all that I've said, the question asks for a percentage. So you have 159 families for question a. Just divide 159 by 300 and that'll give the decimal that you need to convert into a percent. It'll be 53%. And for question b, you have 75 families out of 300 who have no car or one car. So do 75 divided by 300 and you'll get 25%.

3 0
3 years ago
Please help me find the surface area of these both
klio [65]

The formula to find surface area is SA= 2(L×W + L×H + H×W)

The 2 is there to double each side.

so..

A)

SA = 2(L×W + L×H + H×W)

= 2( 16×9 + 16×4 + 4×9)

= 2( 144 + 64 + 36)

= 2( 244)

= 488 units2

B) SA = 2(L×W + L×H + H×W)

= 2 ( 13×9 + 13×4 + 4×9)

=2 ( 117 + 52 + 36)

=2 ( 205)

SA= 410cm2

5 0
3 years ago
The product of 6 and 2 decreased by 1
Ratling [72]

Answer:

11

expression: 6(2)-1

Step-by-step explanation:

6*2=12

12-1=11

3 0
2 years ago
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