2 years ago

Which rational number is equivalent to 5.5?

Mathematics

2 answers:

nirvana33 [79]2 years ago

7 0

5.5 can be written as 5 1/2 or 55/10 or 11/2

Art [367]2 years ago

4 0

Answer:

11/2

Step-by-step explanation:

Multiply by 2/2 to remove the decimal.

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4 years ago

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3 years ago

A 13-foot ladder is leaning against a wall. If the ladder is 5 feet from the base of the wall, how far above the ground does the

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3 years ago

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Please someone what is the total surface area of this pryamid

Dimas [21]

Answer:

$\large\boxed{C.\ (25+25\sqrt3)\ in^2}$

Step-by-step explanation:

We have the square and four equilateral triangles.

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a - length of side

The formula of an area of an equilateral triangle:

$A_T=\dfrac{a^2\sqrt3}{4}$

a - length of side

Clculate the areas:

SQURE:

$A_S=x^2\ in^2$

TRIANGLE:

$A_T=\dfrac{x^2\sqrt3}{4}\ in^2$

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$S.A.=A_S+4A_T\\\\S.A.=x^2+4\cdot\dfrac{x^2\sqrt3}{4}=x^2+x^2\sqrt3$

Put x = 5:

$S.A.=5^2+5^2\sqrt3=(25+25\sqrt3)\ in^2$

7 0

3 years ago

What is the answer to this?

dsp73

X=2 here’s why 90-32 is 58. 29x=58 then x is 2

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2 years ago

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