Answer:
Step-by-step explanation:
perimeter = sum of the sides = (3y+5) + (y-4) + (6y) = 10y + 1
Solve for y in 3x+7=y
y=7−3x
Substitute y=7−3x
y=7−3x into 8x−3y=30
8x−3y=30.
17x−21=30
Solve for x
x in 17x−21=30
17x−21=30.
X=3
Substitute x=3 into y=7−3x
y=-2
Therefore,
x=3
y=−2
The name of period that has the digits 913 is hundreds.<span>
Because Period is considered to a group of places of the digits.</span>
In this case, the given number is 913 and it is the group of hundred because 900 is the highest number it contains.
We can also write 913 as
913 = 900 + 10 + 3
It means,
<span>9 hundreds + 10 tens + 3 ones</span>
Answer:
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Step-by-step explanation:
