Answer:
x=-2, y=-3. (-2, -3).
Step-by-step explanation:
-5x+4y=-2
2x-7y=17
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2(-5x+4y)=2(-2)
5(2x-7y)=5(17)
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-10x+8y=-4
10x-35y=85
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-27y=81
y=81/-27
y=-3
2x-7(-3)=17
2x+21=17
2x=17-21
2x=-4
x=-4/2
x=-2
Answer:
The experimental probability of rolling a 2 is 
.
Step-by-step explanation:
Since you didn't give any statements, I'll make one myself.
P of rolling a 2 (experimental): 
The experimental probability of rolling a 2 is .
Answer:
False.
Step-by-step explanation:
All the sides of an equilateral triangle are equal.
None of the sides of a scalene triangle are equal to each other.
Therefore, an equilateral triangle is <u>not</u><u> </u>similar to a scalene triangle.
Answer:
3(x+2)
3x+6
Step-by-step explanation:
We should multiply it by 3
Salut. BC²=AC²-AB² , BC=√((10)²-(8)²) , BC=√(100-64) , BC=√36 , BC=6cm. J'espere t,avoir aidé
