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lesya692 [45]
3 years ago
13

How do you simplify (2h^7)(7h)

Mathematics
1 answer:
AURORKA [14]3 years ago
4 0

Answer:

1)Eliminate redunant parentheses

(2h7)(7h)

=2h7(7h)

2)Eliminate redunant parentheses

2h7(7h)

=2h7.7h

3)Multiply the numbers

2h7.7h

=2×7h7h

=14h7h

4)Combine exponents

14h7h1

=14h7+1

=14h8

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A slide on the playground is 12 1/2 feet long. It is 3 feet 7 inches longer than the small slide. How long is the small slide ?
rusak2 [61]
We know that
1 ft is equal to 12 in
12 1/2 ft------> (12*2+1)/2-----> 25/2 ft
3 ft 7 in
7 in------> 7/12 ft
so
3 ft 7in-----> 3 (7/12) ft----> (3*12+7)/12-----> 43/12 ft

<span>the small slide=(25/2)-(43/12)
</span>multiply (25/2) by 6/6-----> 150/12
so
the small slide=(25/2)-(43/12)----> 150/12-43/12----> 107/12 ft

the answer is
the small slide is 107/12 ft long

7 0
4 years ago
Which expression is the same as 8x (4 x 2)? ​
ANTONII [103]

Answer:

64x

Step-by-step explanation:

because 4 * 2 is in parenthesis, that means you multiply 8x by them.

8x (4*2)

8x (8)

64x

5 0
3 years ago
Is (2,10) a solution of the equation y=9x
elena-s [515]

Answer: No

Step-by-step explanation: If you plug in 10 for y and 2 for x, the equation becomes 10=9(2), which is 10=18.

6 0
4 years ago
m∠R = 60, m∠S = 80, m∠F = 60, m∠D = 40, . Are the two triangles congruent? If yes, explain and tell which segment is congruent t
Lynna [10]
The correct answer is in file attached  
<span>we have

triangle RST
m∠R = 60, m∠S = 80  and m∠T=180-(80+60)=40</span> <span>RS=4
triangle EFD
m∠F = 60, m∠D = 40  and m∠E=180-(60+40)=80</span>
EF=4  

Therefore  
<span>The triangles RST  and EFD are congruents because they have two angles and the side common to them, respectively, equal.
This is the theorem of ASA (angle-side-angle).</span>
Explication
 Side common--------> RS=EF
<span>Angles RS------------- > m∠R = 60  m∠S = 80 </span>
<span>Angles EF------------- > m∠E = 80  m∠F = 60 </span>  
<span>Angles RS and Angles EF are equals</span>   
<span>
The segment which is congruent to RT is FD, because angles of RT are 60 and 40, and angles of FD also are 60 and 40.</span>

8 0
3 years ago
A = 100(1+r)^4<br> Expand the right of this formula.<br> appreciate your help with an explanation
suter [353]

Answer:

100r^4 + 400r^3 + 600r^2 + 400r + 100

Step-by-step explanation:

Expanding ( r + 1 )^4 gives :-

r^4 + 4r^3 + 6r^2 + 4r + 1

So multiplying 100 with r^4 + 4r^3 + 6r^2 + 4r + 1 gives :-

100r^4 + 400r^3 + 600r^2 + 400r + 100

4 0
3 years ago
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