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maria [59]
3 years ago
5

In a scholl there are 720 boys and 640 girls find the % of girls

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

47%

Step-by-step explanation:

720+640=

1360. 640/1360 = 47

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A ring toss toy is composed of a rectangular prism on top of a cylinder. The rectangular prism is completely filled with water.
anastassius [24]

Answer: 270 in cubic meters

270^3

Step-by-step explanation:

V=LxWxH

= 2cm x 9cm x 15cm

=270cm^3

5 0
3 years ago
Three cards are dealt from a shuffled standard deck of playing cards. Find the probability that the first card dealt is red, the
harina [27]

There are 52 cards in a deck, half the cards aware red and half the cards are red.

First card being red is 26/52 = 1/2

After the first card is dealt there are 51 cards left and 26 are black so dealing a black card = 26/51

After 2 cards are dealt there are 50 cards left and 25 red ones left. The probability would be 25/50 = 1/2

The probability of all 3 happening = 1/2 x 26/51 x 1/2 = 13/102

Answer: 13/102

3 0
3 years ago
Please help and show your work ( no links or files) plz
mr_godi [17]

Answer:

Step-by-step explanation:

Use the formula for the area of a triangle,

Area of a triangle = \frac{1}{2}(\text{Base})(\text{Height})

7). Area of the triangle = \frac{1}{2}(20)(7.4)

                                       = 74 km²

8). Area of the triangle = \frac{1}{2}(4)(15.4)

                                     = 30.8 cm²

9). Area of the triangle = \frac{1}{2}(16)(7)

                                      = 56 m²

10). Area of the triangle = \frac{1}{2}(11)(7.7)

                                       = 42.35 km²

5 0
3 years ago
Find the distance between the points ( - 9, - 12) and (18, - 12)
ANTONII [103]

Hello from MrBillDoesMath!

Answer:

27



Discussion:

By the distance formula (or Pythagorean theorem)

distance =   sqrt ( (change in x)^2 + (change in y)^2)


In our case this becomes

distance =   sqrt (   (18 - (-9) )^2 + (-12 - ( -12))^2)

               =  sqrt (    ( 18 + 9) ^2   + ( -12 + 12) ^ 2)

               =  sqrt (  ( 18 + 9) ^2 + 0^2 )

               = sqrt ( 27^2)

               = 27

 

Geometrically, as both y coordinates = -12, the points define a horizontal line segment. The length is then simply the difference of the x coordinates, 18 - (-9) = 18 +9 = 27. Same answer as before



Thank you,

MrB

4 0
3 years ago
Solve for y -3y+12= -48<br> Please show work tysmmm
lara31 [8.8K]

Answer:

y=20

Step-by-step explanation:

-3y+12=-48

-12     -12

________________

-3y=-60

÷-3    ÷-3

___________________

y=20

I hope this helps :D

5 0
3 years ago
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