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stich3 [128]
3 years ago
14

The width of a rectangle is 2 less than its length. If the perimeter of the rectangle is no more than30 centimeters, find the ra

nge of possible lengths and widths of the rectangle. Use the formula, P=2L+2W, for the perimeter of the rectangle.
Mathematics
1 answer:
arlik [135]3 years ago
4 0
If this is what u are asking for 240 is what i got for the answer
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Six million and seventy two hundred. 6.0072 x 10*

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3 years ago
A number decreased by fifteen is less than two.
Aliun [14]

Let us assume number of n.

The number is decreased by 15.

Decreasing by 15 means, we need to subtract 15 from that number.

So, it would be come n-15.

Now, it is said that the number would become less than 2.

So, we need to setup an inequality:

n-15 is less than 2.

<h3>n-15 < 2  : required inequality .</h3>

Adding 15 on both sides, we get

n-15+15 < 2+15

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<h3>So, we could say the number would be less than 17.</h3>
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3 years ago
Which applies the power of a product rule simplify
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5 0
3 years ago
Subtract rational expression. <br> Show work please.
yan [13]

Given:

$\frac{x+4}{x-1}-\frac{5}{x^{2}-1}

To find:

The simplified rational expression by subtraction.

Solution:

Let us factor x^2-1. It can be written as x^2-1^2.

x^2-1^2=(x-1)(x+1) using algebraic identity.

$\frac{x+4}{x-1}-\frac{5}{x^{2}-1}=\frac{x+4}{x-1}-\frac{5}{(x+1)(x-1)}

LCM of x-1,(x+1)(x-1)=(x+1)(x-1)

Make the denominators same using LCM.

Multiply and divide the first term by (x + 1) to make the denominator same.

                        $=\frac{(x+4)(x+1)}{(x-1)(x+1)}-\frac{5}{(x-1)(x+1)}

Now, denominators are same, you can subtract the fractions.

                        $=\frac{(x+4)(x+1)-5}{(x-1)(x+1)}

Expand (x+4)(x+1)-5.

                        $=\frac{x^2+4x+x+4-5}{(x-1)(x+1)}

                        $=\frac{x^{2}+5 x-1}{(x-1)(x+1)}

$\frac{x+4}{x-1}-\frac{5}{x^{2}-1}=\frac{x^{2}+5 x-1}{(x-1)(x+1)}

6 0
2 years ago
The school wants to order a new countertop for the teacher’s lounge. The shape of the countertop that they are replacing is show
mafiozo [28]

Answer:

$1,500

Step-by-step explanation:

70*20 is 1,400, and 20*30 is 600. Those together make 2,000 sq. in. Multiply that by 0.75 and you get $1,500. Hope this helps!

4 0
3 years ago
Read 2 more answers
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