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Airida [17]
3 years ago
14

Will give brainliest, Use properties of exponents to write an equivalent expression.

Mathematics
2 answers:
Gnoma [55]3 years ago
7 0
It would be 6 squared or 6^2
Sav [38]3 years ago
4 0

Answer:

see attached

Step-by-step explanation:

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Step by step <br> answer <br> please
Airida [17]

Answer:

C. 15

Step-by-step explanation:

<h2><em><u>∠ADC=∠ABC/2=30/2=15</u></em></h2>
7 0
3 years ago
(2x+5)+3(x-6)=90 what is x
snow_lady [41]
I don’t know if I’m 100% correct but I got

Exact form x= 103/5
Decimal form x=20.6
8 0
3 years ago
Show that 155 can be express as the sum of a power of 2 and a cube number? ​
son4ous [18]

\bf \underset{155-128}{155-2^7}= 27\qquad \qquad therefore\qquad 2^7+27=155\implies 2^7+3^3=155

3 0
3 years ago
What is the value of this expression? 5/6 - (1/8•3/4)
givi [52]

Answer:

71/96 or 0.74

3 0
2 years ago
rancher wants to fence in an area of 2000000 square feet in a rectangular field and then divide it in half with a fence down the
zheka24 [161]

Answer:

  • 7000ft

Step-by-step explanation:

let's break down 2,000,000 into its multiples,

Multiples of 2,000,000= 2⁷ × 5⁶

Using above values to find different combinations of length(l) and breadth (b) of rectangle and corresponding parameter of rectangle

  • l=5,   b=400,000  ,parameter= 2(5) + 2(400,000)= 800,010, total length of fence required= parameter+ side with shortest length= 800,015
  • l=2   b=1,000,000 parameter= 2,000,004, shortest fence required= 2,000,008
  • l=4,  b= 500,000 parameter= 1,000,008, shortest fence required= 1,000,012
  • From above, we can see a trend that the parameter of rectangle decreases if length and breadth are increased provided that area is constant. So, a rectangle will have shortest parameter if all of its sides are equal.
  • length of side of rectangle with shortest possible parameter= 2^3 ×5^3= 1000 and breadth of side of rectangle with shortest possible parameter= 2^4× 5^3=2000
  • Shortest possible length of fence= 2(2000)+2(1000)+1000=7000ft

4 0
3 years ago
Read 2 more answers
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