When the lights go out at the store at night there's a 15% off sign hanging out by the make up counter what is a number as a decimal and a fraction in simplest form

Answers

Answer 1

Answer:

Answer:

As per the given statement: when the lights go out at the store at night there's a 15% off sign hanging out by the make up counter.

To find the number as a decimal and a fraction in simplest form.

Given the Number = 15%.

If we convert any number from percent to decimal divide by 100 and remove the % sign.

$(15)/(100) = 0.15$

Then the given number in decimal is, 0.15

Now, to convert this percent into fraction;

$(15)/(100)$

Divide both numerator and denominator by 5 to get;

$((15)/(5) )/((100)/(5) ) = (3)/(20)$

Therefore, the given number in fraction is; $(3)/(20)$

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Answers

The formula for volume of a cone is PI x r^2 x h/3

Using the information given:

Volume = PI x 1.5^2 x 4/3

Volume = PI x 2.25 x 4/3

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The equation for this problem is 1/3 Bh

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Find 3 consecutive even numbers where the product of the smaller two numbers is 40 less than the square of the largest number.

Answers

$3\ consecutive\ even\ numbers:\ 2x,2x+2,2x+4\n\n2x(2x+2)+40=(2x+4)^2\n\n 4x^2+4x+40=4x^2+16x+16\n\n 4x^2-4x^2+4x-16x=16-40\n\n-12x=-24\ \ |:(-12)\n\nx=(24)/(12)=2\n\n2x=2=4\n\n2x+2=6\n\n2x+4=8\n\nNumbers\ are\ 4,6,8.$

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Answers

Answer: Dear friend google

Step-by-step explanation: search it up

The start of an arthmetic sequence is show Below. a) Work out the n term rule for this sequence. b) Work out the 30 term in this sequence. 4,13,22,31

Answers

Step-by-step explanation:

Each term is 9 more than the previous term....the common difference, d = 9

an = a1 + 9(n-1) where a1 is the first term = 4

this reduces to: an = 4 + 9n-9

an = 9n - 5

the 30th term is then a30 = 9(30) - 5 = 265

Erica plays 6 songs in 1/4 of an hour. How many would she play in 1 hour?

Answers

Answer:

24 songs

Step-by-step explanation:

4 × 6 = 24 songs

I hope this helps!

A rain barrel is a right circular cylinder. If 1ft^3 =7.5 gallons, how many gallons of rainwater can the barrel hold? Use 3.14
Barrel is 1.35ft left to right.... And 5ft top to bottom.

Answers

Find volume of right circular cylinder
V = pie * r * r * h
= 3.14 * 1.35/2 * 1.35/2 * 5 ft^3
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Since 1ft^3 = 7.5 gallons
7.153 ft^3 = 7.5 * 7.153 gallons
i.e equal to 53.65 gallons

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