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Mamont248 [21]
3 years ago
14

I need help I don’t understand

Mathematics
1 answer:
kozerog [31]3 years ago
8 0
You answer for a. show be 200+600-1 should e lil tj
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9(2a+2) equivalent expression
ollegr [7]
Multiply 9 by 2a and 2, and you get 18a + 18. Another equivalent expression would be 18(a+1), which you can get by factoring the above answer.
3 0
3 years ago
Infotron Inc makes electronic hockey and soccer games. Each hockey game requires 2​ labor-hours of assembly and 2​ labor-hours o
OlgaM077 [116]

Answer:

<u>Infotron should produce each day 13 hockey and 6 soccer games</u>

Step-by-step explanation:

x = Number of hockey games Infotron should produce

y = Number of soccer games Infotron should produce

Number of labor-hours for assembly = 2x + 3y

Number of labor-hours for testing = 2x + y

Now we can write our equations system, this way:

2x + 3y = 44

2x + y = 32

*********************

Expressing y in terms of x in the 2nd equation:

2x + y = 32

y = 32 - 2x

********************

Substituting y and solving for x in the 1st equation:

2x + 3y = 44

2x + 3 * ( 32 - 2x) = 44

2x + 96 - 6x = 44

-4x = 44 - 96

-4x = - 52

x = -52/-4

x = 13

*****************

Solving for y in the 2nd equation:

2x + y = 32

2 * 13 + y = 32

26 + y = 32

y = 32 - 26

y =<u> 6</u>

<u>Infotron should produce each day 13 hockey and 6 soccer games</u>

7 0
3 years ago
Could 10.6 cm and 5.6 and 4.0 cm be the side length of a triangle
Lady bird [3.3K]
No, because the sum of any of the sides must be greater than all sides. 5.6 +4.0=9.6 which is less than 10.6, meaning that it is impossible to create a triangle with those lengths.
8 0
3 years ago
A DVD is on sale for $1.05 off. This is a 15% discount from the original price. Use an equation to find the origina
Novay_Z [31]
Step by step answer question equation
6 0
3 years ago
At the bake sale there were 40 raisin cookies sold. If ratio of raisin cookies sold to oatmeal cookies sold was 5:1 what is the
Annette [7]

Answer:

48 cookies were sold in total.

Step-by-step explanation:

5:1 is the ratio of raisin cookies to oatmeal cookies, and 40 raisin cookies were sold. Meaning, 40:?.

To find the number of oatmeal cookies you divide 40 by 5, which gets 8. This means that the original ratio is multiplied by 8 to get the current ratio for the amount if cookies. 5(8) : 1(8) = 40:8. There are 40 raisin cookies and 8 oatmeal cookies. 40+8=48. There were 48 cookies sold in total.

6 0
3 years ago
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