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Phantasy [73]
3 years ago
5

Find the length of a diagonal of a square with a perimeter of 16.​

Mathematics
2 answers:
emmainna [20.7K]3 years ago
7 0

Answer:

4√2

Step-by-step explanation:

If a square has a perimeter of 16,  then its side lengths are 4.

Use the pythagorean theorem to find the diagonal.

  • 4^2+4^2=c^2
  • 16+16=c^2
  • 32=c^2
  • c=√32

√32 can be simplified to 4√2.

adell [148]3 years ago
6 0
Hi hi hi hi hi hi hi hi

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6 - 2/3 (x+5) = 4x solve algebraically for the exact value of x
luda_lava [24]

Answer:

x = 2

Step-by-step explanation:

1 - Rewrite

6 - 2/3 (x+5) = 4x

2 - Distribute

6 - 2/3x + 10/3 = 4x

3 - Combine like terms and get x alone

6 10/3 - 2/3x = 4x

           +2/3x  +2/3x

          6 10/3 = 4 2/3x

------------------------------- Convert to decimals

6.3333333333.... = 4.333...x

-------------------------------- Divide both sides by 4.33...x

2 = x

Hope this helps :)

3 0
3 years ago
Simplify 7(A - 6).<br><br> 7A - 42<br> 7A - 6<br> A - 6<br> FIRST ONE GETS A BRAIN LIST?!
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Answer:

7A - 42

Step-by-step explanation:

7(A - 6)  \\ = 7A - 7 \times 6 \\  = 7A - 42

4 0
3 years ago
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H(x)=2x3 – 3<br> Find h(2)
djverab [1.8K]
When it tells you to find h(2), that means you plug in 2 for x.
If 2x^3 (to the third power)
2(2)^3-3

1. PEMDAS, exponents first
2^3=8

2. multiply
8x2=16

3. subtract
16-3=13

Hope this helps!
8 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 2x - 2. The perimeter of the triangle is 71. Find
Elanso [62]

Answer:

x = 15

Step-by-step explanation:

x + 2x - 2 + 2x - 2 = 71

Solve for x, you get 15.

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2 years ago
Nic paid a total of +25.68 for a game, including 7, tax. What was the
Inga [223]

Answer:

x=24

Step-by-step explanation:

x + 0.07x = 25.68

1.07 x = 25.68

x = 24

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2 years ago
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