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noname [10]
3 years ago
6

The Distributive Property

Mathematics
2 answers:
Olenka [21]3 years ago
8 0

Answer:

1. 30

2. -10

3. 48

Step-by-step explanation:

So for #1 I did:

3*2(6)+3*8(24) which equals 30

For #2 I did:

-5*4(-20)- -5*2(-10) which equals -10

For #3 I did:

8*10(80)-8*4(32) which equals 48

Also brainliest

Also sub to pewdiepie

daser333 [38]3 years ago
4 0
1. 5+24=29
2. -20-10= -30
3. 80+40=120
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A printer is printing photos. For every 10 photos, the printer takes 2 minutes.
Doss [256]

Answer:

Just divide the numbers by 10 and then multiply the quotient by 2. hope this helped

5 0
3 years ago
3)June 2019-In the diagram below of AABC, D is a
Alexeev081 [22]

Answer:

BC = 23.8

Step-by-step explanation:

See the diagram attached.

Given AC ║ DE and BD = 5, DA = 12 and BE = 7.

We have to find BC.

Since, AC ║ DE, so, Δ ABC and Δ DBE are similar.

If two triangles are similar then the ratio of their corresponding sides remains the same.

Hence, \frac{BD}{BA} = \frac{BE}{BC}

⇒ \frac{5}{12 + 5} = \frac{7}{BC}

⇒ BC = \frac{7 \times 17}{5} = 23.8 (Answer)

7 0
3 years ago
Solve the system of equations 2x+4y+3z=6 5x+8y+6z=4
MaRussiya [10]

Answer:Solution :

{x,y,z} = {-8,52/7,-18/7}  

 

System of Linear Equations entered :

  [1]    2x + 4y + 3z = 6

  [2]    5x + 8y + 6z = 4

  [3]    4x + 5y + 2z = 0

Solve by Substitution :

// Solve equation [3] for the variable  z  

 

 [3]    2z = -4x - 5y  

 [3]    z = -2x - 5y/2  

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

  [1]    2x + 4y + 3•(-2x-5y/2) = 6

  [1]    -4x - 7y/2 = 6

  [1]    -8x - 7y = 12

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

  [2]    5x + 8y + 6•(-2x-5y/2) = 4

  [2]    -7x - 7y = 4

// Solve equation [2] for the variable  y  

 

 [2]    7y = -7x - 4

 [2]    y = -x - 4/7

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

  [1]    -8x - 7•(-x -4/7) = 12

  [1]    -x = 8

// Solve equation [1] for the variable  x  

  [1]    x = - 8  

// By now we know this much :

   x = -8

   y = -x-4/7

   z = -2x-5y/2

// Use the  x  value to solve for  y  

   y = -(-8)-4/7 = 52/7  

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

 z = -2(-8)-(5/2)(52/7) = -18/7  

Solution :

{x,y,z} = {-8,52/7,-18/7}  

Step-by-step explanation:

4 0
3 years ago
I’ll give brainliest if u answer within 30 mins
Alecsey [184]

Answer:

96.7 maybe or 6.75 or 5.67 or even 56.77

Step-by-step explanation:

EZ

6 0
2 years ago
Savanna had 40 iris blooms last year. This year, she had 15%, percent more iris blooms. How many more iris blooms did Savanna ha
Aleonysh [2.5K]

Answer:

The answer would be 6 irises bloomed last year.

Step-by-step explanation:

let x represent the # of flowers bloomed last year

15% =  .15

now just use the equation: quantity = % · whole and plug in the #'s      

                                                                            x  = .15 · 40

which equals to x = 6

i hope this helps! :)

7 0
3 years ago
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