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garri49 [273]
3 years ago
10

2x-y=-14 y=x+9 Solve for the system

Mathematics
1 answer:
podryga [215]3 years ago
8 0

Answer:

(-14, -33)

Step-by-step explanation:

Note that y = x + 9.  Substitute (x + 9) for y in the first equation, obtaining:

2x - (x + 9) = -14, or

x + 19 = -14, or x = -33.

Now substitute -33 for x in the second equation and find y:

y = (-33) + 9 = -14

The system solution is (-14, -33).

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3 years ago
find the length of the diagonal of a rectangle if the length of the rectangle is 24 cm and it’s width is 10 cm
In-s [12.5K]

Length of the diagonal is 24 cm

Step-by-step explanation:

  • Step 1: Find the length of the diagonal of the rectangle using Pythagoras Theorem, where diagonal is the hypotenuse. This is possible because a rectangle has tight angles.

Diagonal² = Length² + Width²

                 = 24² + 10² = 576 + 100 = 676

⇒ Length of the diagonal = √676 = 24 cm

8 0
3 years ago
Mr.fields orderd 3 tons of gravel for a driveway at a factory. how many pounds of gravel did he order?
astra-53 [7]
2,000 lb = 1 ton

2,000×3=6,000 lb

Mr.Fields ordered 6,000 pounds of gravel


hope this helped
8 0
4 years ago
To decrease an amount by 73% what multiplier would yo use?
Ulleksa [173]
You would use 1.73 in order to decrease an amount by 73%
5 0
3 years ago
Read 2 more answers
Twelve eggs cost $2.09.How much would 18 eggs cost?
Ostrovityanka [42]
12 egg=2.09
then your adding 6 more eggs to get 18 eggs and 6 is half of 12
so you would be adding half the price
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so then add 2.09+1.05=3.14
So 18 eggs would be $3.14

Hope this helps!! :D
8 0
3 years ago
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