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il63 [147K]
3 years ago
14

The triangle below is isosceles. Find the length of side x in simplest radical form with

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0

Answer:

x=2*sqrt(5)

Step-by-step explanation:

Since the triangle is isosceles, the other side of the triangle is sqrt(10) too. By using Pythagoras theorem, we have 10+10=x^2, x=2*sqrt(5).

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The maximum size envelope that can be mailed at the large envelope rate 3 in.longer than it is wide. The area is 180 in^2. Find
choli [55]

Length = 15 inches

Width = 12 inches

Further explanation:

We have to construct equation to solve the situation.

Let x be the width of the rectangle

Then, x+3 will be the length 3 in.longer than it is width

The formula for area is:

Length*Width = Area\\x(x+3) = 180\\x^2+3x = 180\\x^2 +3x - 180 = 0\\x^2 +15x - 12x -180 = 0\\x(x+15)-12(x+15)=0\\(x-12)(x+15) = 0\\x = 12\ and\ x=-15

As the length measurements cannot be negative, we will only use the positive value

so, width = 12 inches

and Length = x+3 = 12+3 = 15 inches

Keywords: Rectangle area, finding areas of rectangles

Learn more about rectangles at:

  • brainly.com/question/2480897
  • brainly.com/question/6594923
  • brainly.com/question/6837543

#LearnwithBrainly

7 0
3 years ago
Item 1<br> Order the numbers from least to greatest.<br><br> −3/4, 0.5, 2/3,−7/3, 1.2
FromTheMoon [43]

Answer:

-7/3, -3/4, .5, 2/3, 1.2

Step-by-step explanation:

negatives are always the least number

4 0
3 years ago
Read 2 more answers
If f = {(2,5), (3, 2) (4, 6), (5, 1), (2, 2)), then f is a function.
KiRa [710]

Answer:

false

Step-by-step explanation:

f is not a function because you can see that two of the points are (2,5) and (2,2). A function can only have one corresponding y-coordinate for every x-coordinate and since this is not the case here, f is not a function.

8 0
3 years ago
Robin bought 5 pounds of apples for $15.00. What is the cost of 1 pound of apples?​
ELEN [110]
1 pound would be 3$ i believe
4 0
3 years ago
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A saleswoman earns 7% commission on all the merchandise that she sells. Last month she sold $8,000 worth of merchandise. How muc
Rus_ich [418]

Answer:

560

Step-by-step explanation:

8000x.07

6 0
3 years ago
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