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IRINA_888 [86]
3 years ago
7

Select the three inequalities that are true.

Mathematics
2 answers:
Komok [63]3 years ago
7 0
A, C and E. 1 in the hundredths place is less than the 7, the first in c has a full number and E has a 2 in the tens and not the hundredths.
Gennadij [26K]3 years ago
3 0
A is correct
C is correct
E is correct
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What’s the answer to this question below. A b c or d
ludmilkaskok [199]

it would be B i think i hope this helps

7 0
3 years ago
A cylinder has a diameter of 10 inches in the height four times the radius what is the volume
SVEN [57.7K]

Answer:

500π in^3

Step-by-step explanation:

The radius is half the diameter, so the radius is 5 in. Since the height is four times that, the height is 20 in.

The equation for the volume of a cylinder is:

V = \pi r^{2}h

We can plug in the radius and height:

V = \pi  \times (5)^{2} \times 20\\V = \pi \times 25 \times 20\\V = 500\pi in^{3}

8 0
2 years ago
jessica is selling books during the summer to earn money for college. She earns a commission on each sale but has to pay for her
wariber [46]
E(x) = 10x - 30

the y int is -30........that means her expenses for the week was $ 30
5 0
3 years ago
Read 2 more answers
Solve the system of equations 5x+9y+9z=5 4x+9y+6z=10 2x+2y+5z=9
erma4kov [3.2K]

Answer:

{x,y,z} = {-116,28,37}

Step-by-step explanation:

// Solve equation [3] for the variable  z  

 

 [3]    5z = -2x - 2y + 9

 [3]    z = -2x/5 - 2y/5 + 9/5

__________________________________________________________

// Plug this in for variable  z  in equation [1]

  [1]    5x + 9y + 9•(-2x/5-2y/5+9/5) = 5

  [1]    7x/5 + 27y/5 = -56/5

  [1]    7x + 27y = -56

__________________________________________________________

// Plug this in for variable  z  in equation [2]

  [2]    4x + 9y + 6•(-2x/5-2y/5+9/5) = 10

  [2]    8x/5 + 33y/5 = -4/5

  [2]    8x + 33y = -4

__________________________________________________________

// Solve equation [2] for the variable  y  

 

 [2]    33y = -8x - 4

 [2]    y = -8x/33 - 4/33

__________________________________________________________

// Plug this in for variable  y  in equation [1]

  [1]    7x + 27•(-8x/33-4/33) = -56

  [1]    5x/11 = -580/11

  [1]    5x = -580

__________________________________________________________

// Solve equation [1] for the variable  x  

  [1]    5x = - 580  

  [1]    x = - 116

__________________________________________________________

// By now we know this much :

   x = -116

   y = -8x/33-4/33

   z = -2x/5-2y/5+9/5

__________________________________________________________

// Use the  x  value to solve for  y  

   y = -(8/33)(-116)-4/33 = 28

__________________________________________________________  

// Use the  x  and  y  values to solve for  z  

 z = -(2/5)(-116)-(2/5)(28)+9/5 = 37

╦────────────────────────────╦

│Hope this helped  _____________________│    

│~Derelis ____________________________ │

╨___________________________________╨                  

4 0
3 years ago
-X2 - x + 42
Advocard [28]

Answer:

c frign ritard

Step-by-step explanation:

3 0
3 years ago
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