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3 years ago

14

How do you convert a fraction to a decimal?

1 answer:

kvv77 [185]3 years ago

3 0

Divide the numinator by the demoonator

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Is (n+1)^2 the same as n^2 +2n+1

Degger [83]

Answer:

no (n+1)^2 equals n^2+2n+1

Step-by-step explanation:

because the exponent makes it so you multiply n+1 and n+1

6 0

3 years ago

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The volume of clay used to build a cylindrical pillar with a height of 9 centimeters is 324π cubic centimeters. What is the area

elena-s [515]

Given:
V = 324 cu cm
h = 9 cm

Since the formula for the volume of a cylinder is V = AreaBase*height

AreaBase = V/height = 324cu cm/ 9 cm
AreaBase = 113.04 square centimetres

Therefore, the area of the pillar in square centimeters is 113.04.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

5 0

3 years ago

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to rent a building for a school dance ava paid $120 plus $2.50 for each student who attended. If she paid a total cost of $325 h

deff fn [24]

Answer:

82 students

Step-by-step explanation:

8 0

3 years ago

Solve equation, check for extraneous solutions

fiasKO [112]

Start with

$1=\dfrac{1}{n^2}+\dfrac{n^2-4n-5}{3n^2}$

We observe that both fractions are not defined if $n=0$ . So, we will assume $n \neq 0$ .

We multiply both numerator and denominator of the first fraction by 3 and we sum the two fractions:

$1=\dfrac{3}{3n^2}+\dfrac{n^2-4n-5}{3n^2} = \dfrac{n^2-4n-2}{3n^2}$

We multiply both sides by $3n^2$ :

$n^2-4n-2=3n^2$

We move everything to one side and solve the quadratic equation:

$2n^2+4n+2=0 \iff 2(n^2+2n+1)=0 \iff 2(n+1)^2=0 \iff n+1=0 \iff n=-1$

We check the solution:

$1=\dfrac{1}{1}+\dfrac{1+4-5}{3} \iff 1 = 1+0$

which is true

8 0

3 years ago

a wire is bent into the shape of a square, each side is 5 in long. then the wire is now bent to the shape of a rectangle if the

Luda [366]

Answer:

4 inches

Step-by-step explanation:

6 0

3 years ago

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