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torisob [31]
3 years ago
12

2. At a wedding reception, there will be 1,012 guests. A round table will seat 12 quests. How

Mathematics
2 answers:
White raven [17]3 years ago
5 0
85 tables are needed

1012/12
84.333
round up because you need an extra table even if it is not filled all the way
wolverine [178]3 years ago
5 0

Answer:85

Step-by-step explanation: 1012/12 =84.3 and there cannot be half tables

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Sue invested $2400 at a 3% simple interest rate for 18 months. How much did she earn on her investment after the 18 months?
Anon25 [30]

Answer:

sinple interest= principle*rate*time/100

SI= 2400*3*1.5/100

SI= 108

AMOUNT= SI + PRICIOLE

AMOUNT= 108+2400

AMOUNT= 2508

{ I converted 18 months to 1.5 years}

4 0
3 years ago
Equation for a parabola with a focus of (2, -2) and a directrix of y=-8
Fantom [35]

Answer:

y=1/8(-x^2+4x+44

Step-by-step explanation:

In this question the given focus is (2,4) and a directrix of y = 8 and we have to derive the equation of the parabola.

Let (x,y) is a point on the given parabola.Then the distance between the point (x,y) to (2,4) and the distance from (x,y) to diractrix will be same.

Distance between (x,y) and (2,4)

= √(x-2)²+(y-4)²

And the distance between (x,y) and directrix y=8

= (y-8)

Now √(x-2)²+(y-4)² = (y-8)

(x-2)²+(y-4)² = (y-8)²

x²+4-4x+y²+16-8y = y²+64-16y

x²+20+y²-4x-8y = y²-16y+64

x²+20-4x-8y+16y-64=0

x²+8y-4x-44 = 0

8y = -x²+4x+44

5 0
3 years ago
Read 2 more answers
How to make a mixed number a decimal
ra1l [238]
First make it a fraction, then divide numerator by denominator
3 0
3 years ago
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Algebra question I need the work showed with it.
Alex_Xolod [135]
Area of the square + area of 4 semicircles.

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use πr²/2

=(3.14 x 324)/2
= <span>508.9

4 semi circles right, 
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=</span><span>2035.8

total area = </span><span>2035.8 + 324 
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</span>
5 0
3 years ago
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Rafi had a board that was 15 1/2 feet long. He cut three pieces off the board that are each 3 7/8 feet long. How much of the boa
sattari [20]

Answer:

Step-by-step explanation:

To answer this question, first we need to figure out how much of the board Rafi cut off.

To do this, we need to multiply the length of each piece by the number of pieces he cut off.

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15 1/2 = 15.5

15.5 - 11.625 = 3.875

There is 3.875 feet or 3 7/8 of the board left.

7 0
2 years ago
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