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3 years ago

An aeroplane has y seats. If all the seats are occupied and x people get off how many seats are still there

Mathematics

2 answers:

Brrunno [24]3 years ago

6 0

Answer:

y-x seats

Step-by-step explanation:

given:

number of seats=y

occupied seats= (let m)+ x

so equation is

y=m+x

y-x =m

maxonik [38]3 years ago

4 0

We need more context

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If x-y = 40 and x+y = 70, then what is the value of x squared -y squared ?

OlgaM077 [116]

Let's see what to do buddy...

____________________________

Reminder:

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

So we need to just Multiply above equations like this :

$x + y = 70$

$x - y = 40$

$(x + y)(x - y) = 70 \times 40$

${x}^{2} - {y}^{2} = 2800$

____________________________

And we're done.

Thanks for watching buddy good luck.

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3 years ago

Please help me find the values of these irraational numbers on a number line!!!

uranmaximum [27]

Here, You have to simplify every number to their simple form and place it on the arrow by approximation:

So, Here is your answers:

Upper Arrows (From Left towards right):
1st = -10√2/3
2nd = -√7
3rd = ∛4
4th = √50

Lower Arrows (From Left towards right):
1st = -√99
2nd = -√17
3rd = ∛9
4th = π

Hope this helps!

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2 years ago

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pashok25 [27]

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2 years ago

Felicia bought a watch for $149 she puts $50 down if she pays $9 each week how long will it take felicia to pay off her watch?

Troyanec [42]

Answer:

11 weeks

Step-by-step explanation:

She bought the watch for $149

And paid $50 immediately.

She has $149-$50 left, which gives $99

If she pays $9 each week,

In two weeks, she would be paid $9+$9=$18

In three weeks $9+$9+$9=$27 then it will take her 99/9 weeks to pay off the watch

99/9

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rosijanka [135]

What picture are you talking about ?

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