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Sphinxa [80]
3 years ago
6

Solve 3x+2y=5 and 7x+2y=9

Mathematics
1 answer:
vekshin13 years ago
6 0

Answer:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

Point Form:(1,1)

Step-by-step explanation:

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The equation y=1/3xis the boundary line for the inequality y>1/3x. Which sentence describes the graph of the inequality
Irina18 [472]
If th<span>e equation y=1/3x is the boundary line for the inequality y>1/3 x, then the solution set is illustrated by shading the area ABOVE the line y=(1/3)x.</span>
5 0
2 years ago
0.6 : 3.3 : 3/2 reduce this<br>the : means its a ratio <br>REDUCE THE RATIO!!!
Sati [7]
3:5
1:1
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3 0
3 years ago
Evaluate the expression 5t + 2m for m = 7 and t = 2.
pantera1 [17]

Answer:

<h3>The answer is 24</h3>

Step-by-step explanation:

5t + 2m

m = 7 t = 2

Substitute the above values into the expression

That's

5(2) + 2(7)

10 + 14

24

Hope this helps you

5 0
3 years ago
Please help! Please explain how to do this, I am so lost.
alexdok [17]
Ok, so we know that RST is equal to 6x+12
And RST is also equal to 78 + 3x-12
so we set them equal to each other

6x + 12 = 3x - 12 + 78
And simplify
3x = 54
x = 18

Finally, we solve for the angle with 18 for x

6(18) + 12
108 + 12
120

Hope this helps
8 0
2 years ago
The girl to boy ratio is 3 to 7 if there are 50 students total how many boys
Naddik [55]

Answer:

15 girls, 35 boys

Step-by-step explanation:

Step 1:

3 : 7       Ratio

Step 2:

3x + 7x = 50        Substitute

Step 3:

10x = 50     Add

Step 4:

50 ÷ 10     Divide

Step 5:

x = 5

Answer:

15 girls, and 35 boys     Multiply

Hope This Helps :)

5 0
3 years ago
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