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nadya68 [22]
3 years ago
12

2 ^( 3 - 9) - 11 how do I solve this

Mathematics
1 answer:
Setler [38]3 years ago
5 0
2^(3-9)-11 =

1 step: subtract the 3 and 9 to get 6

(3-9)=6

2 step: multiply 2 to its self 6 times and
you should get 64

2*2=4*2=8*2=16*2=32*2=64

3 step: subtract 11 by 64 to get 53

64-11=53

hope I help if so hit the brainliest thanks
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The weight of an object above the surface of the Earth varies inversely with the square of the
Veseljchak [2.6K]

Answer:

By using the similarity method:

3960/50 = 4015/W

W = 50 x 4015/3960

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7 0
3 years ago
Read 2 more answers
31,50 is 42% os what number
sergeinik [125]
\frac{31,50}{x}=\frac{42}{100}

The right fraction represents the percentage; 42 over 100 (100 is the total), or 0.42.
The left fraction is the part number over the whole number. The whole number is unknown, so we use 'x'.


\frac{31.50}{x} = \frac{42}{100}\\\\cross\ multiply\\\\31.50\times100=3150\\42\times x=42x\\\\3150=42x\\x=75
Your answer is 75.

3 0
4 years ago
Which equation will have the same solution as 3 – 5(2x + 1) = 3(3 + x)?A.
Nonamiya [84]
The answer is C
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4 0
3 years ago
What is the mean absolute deviation<br> 4 2 2<br> of the following set of data?<br> 10
mina [271]

Answer:

<em>mean absolute deviation would be 2.75</em>

Step-by-step explanation:

mean: 4 + 2 + 2 + 10 = 18/4 = 4.5

4.5 - 4 = 0.5

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4.5 - 2 = 2.5

4.5 - 10 = 5.5

mean absolute deviation: 0.5 + 2.5 + 2.5 + 5.5 = 11/4 = 2.75

~hope this helps~

please mark me the brainliest, I would highly appreciate it :)

5 0
3 years ago
Please help asap, I need help with all of them.
katrin2010 [14]

Answer:

1) Congruent

2) Congruent

3) Not Congruent

4) Congruent

5) Congruent

6) Congruent

Step-by-step explanation:

1) If you laid the triangles in the same direction, they both share the bottom angle and top angle, making it congruent. If you use this same thought process, you can figure out the rest.

6 0
3 years ago
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