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Oksana_A [137]
3 years ago
8

In a school of 120 there are ⅛ girls .how many boys

Mathematics
2 answers:
Vsevolod [243]3 years ago
8 0

Answer:

7/8

Step-by-step explanation:

So there is 1/8 of girls and to get to the full 8 you need 7 so the answer for boys is 7/8

gayaneshka [121]3 years ago
7 0

Answer:

15 girls

Step-by-step explanation:

1/8 x 120= 120/8 = 15

15 girls

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Jenny is organising a barbecue. There are 30 bread rolls in a pack. There are 16 sausages in a pack. She needs exactly the same
ryzh [129]

Answer:

She need to buy 8 packs of rolls and 15 packs of sausages! The LCM is 240 so you would need to find out how many packs or rolls and how many packs of sausages equal 240!

Step-by-step explanation:

6 0
3 years ago
What’s that precent 250 of 275
tester [92]

Answer:

Percent 250 of 275 is 90.9%

Step-by-step explanation:

We have to find 250 is what percent of 275.

Let X be the percentage, then

=> X =  \frac{250}{275} \times 100

Now simplyfying the above relation we get

=> X =  0.909\times 100

=> => X = 90.9 %

Hence 250 is 90.9% of 275

5 0
3 years ago
Convert 84% percent to a fraction in simplest form.
Svetlanka [38]
84/100 which would then be 42/50 which will then be 21/25
8 0
3 years ago
Read 2 more answers
A mass attached to a spring is pulled towards the floor then let go. Its height is recorded and
andreev551 [17]

First find the derivative,

\dfrac{d}{dt}\Big(-10\cos(4t)\Big)=40\sin(4t).

Then find the critical point,

40\sin(4t)=0\implies t=40\mathrm{s}.

Hope this helps.

I am a little rusty here :(.

3 0
3 years ago
Simplify as much as possible:<br> (7nm5o2) (-3m3o5)2
Yakvenalex [24]

Answer:

63m^11 no^12

Step-by-step explanation:

Dont know if thats o or and zero but I solve it by using o..if it was a zero then comment that so I can redo it anyways heres the explanation

(7nm^5 o^2) × (-3m^3 o^5)^2

7m^5 no^2) ×(-3m^3 o^5) ^2

(7m^5 no^2) × (3m^3 o^5)^2

7m^5 no^2 × (3m^3 o^5) ^2

7m^5 no^2 × 9m^6 o^10

63m^11 no^12

3 0
3 years ago
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