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2 years ago

Plz help me !!!!!!!!!!!!!

Mathematics

2 answers:

nevsk [136]2 years ago

8 0

I’m pretty sure it’s D

Digiron [165]2 years ago

5 0

Answer:

It's D ...

hope it helps

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If 15% of an item is $18.00 what was the original price?

larisa [96]

from the whole price,
15% of this price is equal to $18.00.
therefore if 15 % equals $18.00

then 100% is the original price therefore 100 % = 18.00 / 15 % x 100% = $120 therefore original price = $120

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3 years ago

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What is the value of x?

AlekseyPX

Answer:

x = 9 cm

create proportional equation:

$\sf \dfrac{9}{3x-20} = \dfrac{72+9}{3x-20+56}$

$\sf \dfrac{9}{3x-20} = \dfrac{81}{3x+36}$

$\sf 9(3x+36) = 81(3x-20)$

$\sf 27x+324 = 243x-1620$

$\sf 27x-243x=-1620-324$

$\sf -216x=-1944$

$\sf x = 9$

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1 year ago

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What does the graph tell you about the value of a in this function f(x)=a(x+k)^1/n+c

Olenka [21]

A. a is greater than zero

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3 years ago

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Please help ASAP I will give brainleist and 100 extra points

bearhunter [10]

Answer:

Possibly C, but im sorry if im wrong

Step-by-step explanation:

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2 years ago

If gasoline costs 1.50 euros per liter it will cost how much to drive 220 kilometers

jok3333 [9.3K]

Answer:

$11.79\ euros$

Step-by-step explanation:

The complete question is

Suppose that a new fuel-efficient European car travels an average of 28 kilometers on 1 liter of gasoline. If gasoline costs 1.50 euros per liter, how much will it cost to drive 220 kilometers ?

step 1

using proportion

Find out the number of liters of gasoline needed for 220 kilometers

$\frac{28}{1}\ \frac{Km}{L}=\frac{220}{x}\ \frac{Km}{L}\\\\x=220/28\\\\x=7.86\ L$

step 2

Find the cost to drive 220 kilometers

Multiply the cost of one liter of gasoline by the total liters of gasoline needed to travel 220 Km

$1.50(7.86)=11.79\ euros$

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2 years ago