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3 years ago

Find the length of a leg

Mathematics

1 answer:

Alona [7]3 years ago

4 0

2 corners are both 45 degrees, meaning that they are both the same length.

For this we use the pythagorean theorem, but a bit modified:
a^2 + a^2 = c^2
2a^2 = 256

Solve for a:
a^2 = 128
a = 8 √2

One leg is equal to √128 or 8 √2.

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Write two polynomials with a difference of 2x2 + x + 3

Anettt [7]

Answer:

The two polynomial CAN be $5x^4+5x^3+8x^2+x+6$ and $5x^4+5x^3+8x^2+2x+13$ .

Step-by-step explanation:

Step 1: Simplify the expression:

$2*2 + x + 3$

$4+x+3$

$x+7$

Step 2: Think of a random polynomial:

$5x^4+5x^3+8x^2+x+6$

Step 3: Either add your "random polynomial" by $x+7$ or subtract it.

I want to add it so...

$5x^4+5x^3+8x^2+x+6+x+7$

= $5x^4+5x^3+8x^2+2x+13$

Check by subtracting $5x^4+5x^3+8x^2+x+6$ and $5x^4+5x^3+8x^2+2x+13$ .

$5x^4+5x^3+8x^2+2x+13$

- $5x^4+5x^3+8x^2+x+6$

_____________________

$0x^4 - 0x^3 -0x^2 +x +7$ or  $x+7$ 

5 0

3 years ago

If 7 sandwich rolls cost $1.26, how much will 25 rolls cost?

zavuch27 [327]

$4.5 since 1.26/7 is .14 and need 25 so it’s 4.5

4 0

3 years ago

I need help on 1&2 pls

Rus_ich [418]

Answer:

Step-by-step explanation:

1. Slope

2. Hypotenuse

7 0

3 years ago

Please help ASAP! X= A) 4 B) 7 C) 9

melisa1 [442]

Answer:

C) x = 9

Step-by-step explanation:

When two segments intersect in a circle like so, the product of the two parts of one segment will be equal to the product of the two parts of the other segment.

So, 3 * 6 = x * 2

Multiply: 18 = x * 2

Divide: x = 9

8 0

3 years ago

Read 2 more answers

A shipping container is in the shape of a right rectangular prism with a length of 8 feet, a width of 3.5 feet, and a height of

harkovskaia [24]

Answer:

Volume = 8 * 3.5 * 14.5 =

406 cubic feet

.65 pounds / cubic foot * 406 =

263.9 pounds

Step-by-step explanation:

3 0

3 years ago