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Shalnov [3]
3 years ago
12

Paul is building a bridge for a school project and wants to make a right triangle out of three popsicle sticks that measure 8 cm

., 10 cm., and 18 cm. Can he make a right triangle out of these lengths?
Mathematics
2 answers:
hoa [83]3 years ago
8 0

No, because 82 + 102 is not equal to 182.

The answer is False

viktelen [127]3 years ago
4 0

Paul cannot make a right triangle because 8 to the power of 2 plus 10 to the power of 2 gives you 164 but 18 to the power of 2 equals 324. In order to make a right triangle the answers have to be the same, but in this case they are not so Paul cannot make a right triangle

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Wat is equal to 7.5x4 what is equal to 7.5 * 4
IrinaK [193]

Hello!

7.5 * 4 is equal to 30

7 * 4 = 28

.5 * 4 = 2

28 + 2 = 30

I hope this helps, and have a nice day!

7 0
2 years ago
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3 0
2 years ago
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How to set up a system of equations
Scorpion4ik [409]

To set up your system of equations is to have 2 equations. They both would have 1 similar variable. For example, Jenny is 5 more her brother's age. She is also 2 more than twice her brother's age. You would set this up as Y, which is Jenny, and X, her brother. Y = 5 + x and Y = 2x + 2. Make sure you put Y in the same spot in both equations. Then take the other half of the equations and simplify them. 5 + x = 2x + 2. Subtract x from both sides to get 5 = x + 2. Subtract 2 from both sides to get 3 = x. Now replace the X from both equations to get Y = 5+3, and Y = 2(3) + 2. You will see both add up to 8, which is how old Jenny is in this example. Hope this helped!

4 0
3 years ago
Which equation represents a line that is perpendicular to the line whose equation is -2y=3x+7
notsponge [240]

Answer:

Any line with the slope of 2/3 would be perpendicular.

Step-by-step explanation:

To find this, first solve the equation for y.

-2y = 3x + 7

y = -3/2x - 7/2

Perpendicular lines always have opposite and reciprocal slopes. Therefore, we flip the slope in the original equation (-3/2 becomes -2/3) and then we change the sign (-2/3 becomes 2/3)

8 0
3 years ago
Help if possible.
skelet666 [1.2K]
A ) Length = 5 - 2 x
Width = 3 - 2 x
The area of the bottom:
A = L  x  W = ( 5 - 2 x ) ( 3 - 2 x ) = 15 - 10 x - 6 x + 4 x² = 
= 4 x² - 16 x + 15
b ) 4 x² - 16 x + 15 = 10
4 x² - 16 x + 5 = 0
x = (16 - √(256 - 80))/ 8 = ( 16 - 13.266 ) / 2
x = 0.34 in
4 0
3 years ago
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