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love history [14]
3 years ago
14

How do you do this problem? can you please help me?

Mathematics
1 answer:
Lelechka [254]3 years ago
3 0
0.9 because 10 divided by 11 is 0.909...
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It costs $3.24 for a pack of 18 pencils.
max2010maxim [7]

The answer is 2.09

Step-by-step explanation:

7 0
3 years ago
HELP PLEASE
Illusion [34]

Answer:

V=7.45\times 10^{15}\ mm^3

Step-by-step explanation:

The radius of each lollipop is 121212 mm

We need to find the volume of each lollipop. The volume of a sphere is given by :

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

Put all the values,

V=\dfrac{4}{3}\times 3.14\times  (121212 )^3\\\\V=7.45\times 10^{15}\ mm^3

So, the volume of each lollipop is equal to 7.45\times 10^{15}\ mm^3.

4 0
3 years ago
Slice each system of linear equations by multiplying <br> 3x+3y=12 <br> 6x+11y=14
GalinKa [24]

Answer:

  (x, y) = (6, -2)

Step-by-step explanation:

Sometimes this solution method is called "addition" or "elimination." You want to multiply one or both equations by a value or values that make the coefficients of one of the variables be opposites. Then when you add the equations, the result is an equation without that variable. (One variable has been eliminated.)

Multiply the first equation by -2 to make its x-coefficient the opposite of that in the second equation. Then add the two equations:

  -2(3x +3y) = -2(12)

  -6x -6y = -24

Add the second equation ...

  (-6x -6y) +(6x +11y) = (-24) +(14)

  5y = -10 . . . . . simplify

  y = -2 . . . . . . . divide by 5

__

  3x +3(-2) = 12 . . . . . substitute into the first equation

  3x = 18 . . . . . . . . . . add 6

  x = 6 . . . . . . . . . . . . divide by 3

The solution is (x, y) = (6, -2).

6 0
3 years ago
In the parallelogram above, BE= 7x-12, CE=10x-5, and DE= 3x+4. What is the length of BD​
kompoz [17]

ABCD is a parallelogram ⇒ BE = DE

So: 7x - 12 = 3x + 4

⇔ 7x - 3x = 4 + 12

⇔ 4x = 16

⇔ x = 16/4 = 4

⇒ BE = 7(4) - 12 = 28 - 12 = 16

⇒ DE = 3(4) + 4 = 12 + 4 = 16

⇒ BD = BE + DE = 16 + 16 = 32

Answer: BD = 32

Ok done. Thank to me :>

3 0
2 years ago
Does this system of equations have one solution, no solutions, or an infinite number of solutions?
sertanlavr [38]
Y=2x+5

2(2x+5)+4x=10

4x+10+4x=10

8x=20

So there's one solution, x=2.5
8 0
3 years ago
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