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Amanda [17]
4 years ago
14

After going shopping we had only 10% of our money left. We spent $180 how much money did we have at first

Mathematics
2 answers:
Zina [86]4 years ago
5 0
It’s not 18 it’s something like this

90%=180
100-90=10
180 is only 90% so your left with ten then you have to find 1% I think and times it by ten to get your 10% then you work out your original answer
aivan3 [116]4 years ago
3 0

Answer:18

Step-by-step explanation:

you have $18 dollars left

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31.42

Step-by-step explanation:

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3 years ago
1 <br>-6a × - <br> 2 <br>Another time :/ , I'm studying for my post mid term exams..​
Zepler [3.9K]

Answer:

<em>a×</em>

<em>a×_</em>

<em>a×_12 </em>

Step-by-step explanation:

1

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8 0
3 years ago
An unknown number w is 30 more than an unknown number p. The number w is also p less than 5. The equations to find p and w are s
puteri [66]

The given equations are

w = p+30 \\ w = -p+5

TO solve for p and w, we can use elimination method. And the first step is to eliminate p by adding both equations .

So out of the given options, correct option is the first option .

7 0
4 years ago
Read 2 more answers
The table shows the approximate height of an object x seconds after the object was dropped. The function h(x) = –16x2 100 models
gregori [183]

The given model would make the least sense to use for x=-2.75.

the given function is:

h(x)= -16x^2 +100

a quadratic relationship,

where

h is the height in feet

x is the time in seconds

<h3>what is kinetic energy?</h3>

Kinetic energy is a form of energy that an object or a particle has by reason of its motion.

as we know that time always appears to run forward, never backward. cannot take negative values so option 1 i.e 2.75 is not possible. Also, after a certain period of time object will vanish all its kinetic energy, resulting in h=0 but h(-2.75)= -21 which is meaningless.

h(-2.75) = -16*(-2.75)^2+100 = -21\\

h(0.25) = -16*0.25^2 +100=99-0.25^2*16+100=99

h(1.75) = -16*1.75^2+100=51

h(25) = -16*2.25^2+100= 19

therefore, x=-2.75 this model would make the least sense to use

to get more about kinetic energy refer to:

brainly.com/question/114210

6 0
2 years ago
26 There is a special offer at the book shop.
Inessa [10]
10.8/12 x 100 = 90%
So he saves 10%
Add the expensive ones that equals 10.80 and then add all them together which gives you £12 you put 10.80 over 12 and multiply by 100 to find the percentage you have and then minus that from 100 which will give you your answer of 10%
6 0
3 years ago
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