The correct answer is: 
129,407.

Explanation: 
12 ten-thousands = 12*10000=120,000.
8 thousands = 8*1000=8000;
this gives us 120,000+8,000=128,000.

14 hundreds = 14*100=1400;
this gives us 128,000+1,400=129,400.

7 ones = 7*1=7;
this gives us 129,400+7=129,407.

7 0

3 years ago

Read 2 more answers

2/(x^2)=4/x+1 can any one solve this for me please

levacccp [35]

2/X^2=4/X+1 times by both denominators
2(x+1)=4(x^2)
2x+2=4x^2
4x^2-2x-2=0
(2x+1)(2x-2)=0
x=2x+1 or 2x-2
x=-1/2 or 1

5 0

3 years ago

X f(x) = x2 + 4x . x2_4

PtichkaEL [24]

The answer is 1/(x+4)
Explanation:
You would factor out the denominator
So,
(X-4)(x+4)=x^2-16
So, x-4/(x+4)(x-4)
Then x-4 cancels each other out from the numerator and denominator
Leaving 1/x+4

6 0

2 years ago

Your neighbor needs to put a fence around her front yard and a seperate fence around her backyard. Her front yard is 65 feet lon

elena-14-01-66 [18.8K]

Front yard
65+65+45+45=220
Back yard
45+45+35+35=160
220+160=380
380 feet

5 0

3 years ago