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Vesna [10]
3 years ago
11

5^(-7)*5^(12)*5^(-2) with steps

Mathematics
2 answers:
marysya [2.9K]3 years ago
4 0

Answer:

125

Step-by-step explanation:

in any exponential multiplication, the exponents add together

x^y X x^y = x^2y

so 5^-7  X 5^12  X 5^-2 is equal to 5^(-7+12-2) = 5^3

5^3 = 5 X 5 X 5 = 25 X 5 = 125

docker41 [41]3 years ago
3 0

Answer:

=125

Step-by-step explanation:

5−7)(512)(5−2)

=

1

78125

(512)(5−2)

=

1

78125

(512)(5−2)

=(

1

78125

(244140625))(5−2)

=3125(5−2)

=3125(

1

25

)

=125

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Find tsa of cylinder whose height is 7cm and radios 4cm.​
ki77a [65]

Answer:

Answer

Let height =h

Total surface area=2πr(r+h)

r=7cm

⇒968=2×  

7

22

​  

×7(7+h)

⇒  

44

968

​  

=7+h

⇒h+7=22

⇒h=22−7

=15cm.

Step-by-step explanation:

6 0
2 years ago
True or false by definition a simple random sample of size n
Sophie [7]
True

I hope I helped you out
7 0
3 years ago
Given: Lines a and b are parallel and line c is a transversal. Prove: Angle2 is supplementary to Angle8 Horizontal and parallel
kondaur [170]

Answer:

The correct option is;

Corresponding angles theorem

Step-by-step explanation:

Type of lines of lines a and b = Horizontal and parallel lines

The transversal to a and b = Line c

The angles between a and c labelled clockwise from the upper left quarter segment =  1, 2, 4 and 3

The angles between b and c labelled clockwise from the upper left segment =  5, 6, 8 and 7

Therefore, we have;

Statement   {}                                                   Reason

1. a║b, c is a transversal   {}                             Given

2. ∠6 ≅ ∠2       {}                                              Corresponding angles theorem

3. m∠6 = m∠2       {}                                         Definition of congruent

4. ∠6 is supp. to ∠8        {}                               Definition of linear pair

5. ∠2 is supp. to ∠8        {}                               Congruent supplement theorem

Corresponding angles are the angles located in spatially similar or matching corners of two lines that have been crossed by the same transversal. When the two lines having a common transversal are parallel, the corresponding angles will be congruent.                        

4 0
3 years ago
Can I get some help please?
Lynna [10]
The answer is 15. Just count the spaces between A and D.
3 0
2 years ago
Ill mark brainlist plss help
KonstantinChe [14]
I believe the answer is d
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2 years ago
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