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grandymaker [24]
3 years ago
14

Help mehh plz

Mathematics
1 answer:
Lelechka [254]3 years ago
4 0

9514 1404 393

Answer:

  28 cm

Step-by-step explanation:

For the similar figures, a proportion can relate the side lengths.

  x/(7 cm) = 11.2/2.8

  x = (7cm)(11.2/2.8) = 28 cm

The value of x is 28 cm.

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What is the slope of the line with the points of (100,120) (50,95)
kifflom [539]
M= 95-120 / 50-100 = -25 / -50 = 1/2 

I used the formula m= y2 - y1 / x2 - x1 
7 0
3 years ago
PLEASE HELP! BRAINLIEST!!!!!!! PLEASE
Gnesinka [82]
Hello!

First you have to find the volume of the cylinder

To find the volume of a cylinder you use the equation

V =  \pi  r^{2} h

V is volume
r is radius
h is height

Put in the values you know and 3.14 for pi

V = 3.14 *  3^{2} * 7

Square the number

V = 3.14 * 9 * 7 

Multiply

V = 197.82
------------------------------------------------------------------------------------------------------
Next you find the volume of the sphere

To find the volume of a sphere you use the equation

V =  \frac{4}{3}  \pi  r^{3}

V is volume
r is radius

Put in the values you know and 3.14 for pi

V =  \frac{4}{3} * 3.14 *  3^{3}

Cube the number

V =  \frac{4}{3} * 3.14 * 27

Multiply

V = 113.04
------------------------------------------------------------------------------------------------------
Finally you subtract the two volumes from each other

197.82 - 113.04 = 84.78
------------------------------------------------------------------------------------------------------
The answer is C)84.78

Hope this helps!
7 0
3 years ago
Read 2 more answers
Dont guess!<br> I will mark brainliest if its correct!<br> Also no links!
GREYUIT [131]

Answer:

The correct answer will be; B or 40.

Step-by-step explanation:

Because when the ratio of boys changed from 8 to 32, it increased by "time 4" (8*4 = 32), so the same pattern will be followed for girls, multiplying the number that you already have by four; 10 (amount of girls given) * 4 = 40.

Hope this helped, Good Luck!

8 0
3 years ago
Read 2 more answers
Can anyone help with expanding this?
Readme [11.4K]

Answer:

is this collage mathz

Step-by-step explanation:

7 0
3 years ago
You pay $10 to play the following game of chance. there is a bag containing 12 balls: three are red, five are green, and the res
Bogdan [553]

Answer:

$ -2.08  expected to lose  

Step-by-step explanation:

3 25.0%  $15.00   $5.00   $1.25  

5 41.7%  $10.00   $-     $-    

4 33.3%  $-     $(10.00)  $(3.33)  

     

    $(2.08)  expected to lose  

7 0
3 years ago
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