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Harlamova29_29 [7]
3 years ago
11

RS = 3x + 17, MN = 7x - 15

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

Step-by-step explanation:

RS ≡ MN

 3x + 17 = 7x - 15

- 3x          - 3x

         17 = 4x - 15

      + 15        + 15

         32 = 4x

          4      4

           8 = w

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A company can send a maximum of 40 workers to complete a
rewona [7]

Answer:

20

Step-by-step explanation:

For the sake of the problem, let's make female workers "x" and male workers "y".

x+y<40       This equation shows that the total number of workers has a max of 40.

30x+20y<1,000      This equation shows that the total cost the manager pays ($30 to each woman, $20 to each man) has a max of $1,000.  

Now you can solve for x and y.

X+y<40

-y       -y

X<-y+40

Substitute -y+40 in for X in the second equation

30(-y+40)+20y<1,000      

-30y+1200+20y<1,000         Distribute

-10y+1,200<1,000      Combine like terms

-10y<-200                   Subtract 1,200

y>20                Divide by -10; flip the sign

Since y>20, and y=male workers, you now know that the minimum

number of male workers he should send is 20

4 0
3 years ago
6.Calcular: 2^3 ; (-2)^3; ; -2^3 *
olga2289 [7]

Answer:

90-8y66697u

Step-by-step explanation

5 0
2 years ago
If the area of a square is 100cm2, then what is its perimeter?
Vinil7 [7]

Answer:

40cm

Step-by-step explanation:

A=s*s

A=10*10

A=100 cm^2

P=4*s

P=4*10

P=40 cm

"s" represents side

6 0
3 years ago
Pls help asap! i will mark brainliest!
IrinaK [193]

Answer:

AB would be 18 or the first choice.

Since BD is the median that means from A to D and from D to C are equal. We set this up as an equation and solve it.

<em>x + 8 = 2x - 17</em>

<em>   </em><em><u>+ 17       +17</u></em>

<em>x + 25 = 2x</em>

<em><u>-x            -x</u></em>

<em>     25 = x</em>

This gives us our first bit of the answer. Then we plug this into our equation for the length of AB to get 18.

Step-by-step explanation:

hope this helps. . . <3

good luck!      uωu

6 0
3 years ago
I need help with 29 c
Snowcat [4.5K]
The answer is b becuase my sister had that homework
7 0
3 years ago
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