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ehidna [41]
3 years ago
9

Find a value of (2power-1*4power-1)

Mathematics
1 answer:
rosijanka [135]3 years ago
8 0

2^( - 1 ) × 4^( -1 ) =

2^( -1 ) × 2^( 2 × ( - 1) ) =

2^( - 1 ) × 2^( - 2 ) =

2^( - 1 - 2 ) =

2^( - 3 ) =

1/ 2^( 3 ) =

1/8

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Please Help!!
ryzh [129]

Answer:

3/2 times as far

Step-by-step explanation:

Mai's distance divided by Noah's distance will give you your answer.

6.75 divided by 4.5 is 1.5 which is 3/2 as a decimal.

4 0
3 years ago
When somebody tells there friend there da best does that mean they think that they’re better then anyone else???
Otrada [13]

Answer:

Yep

Step-by-step explanation:

7 0
3 years ago
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find the x-intercepts of the parabola with vertex(6,27) and y-intercept (0,-81). write answer in form (x1,y1)(x2,y2). if necessa
sergey [27]
The vertex form of the equation is:
y = a ( x - h )² + k
- 81 = a ( 0 - 6 )² + 27
- 81 = 36 a + 27
- 108 = 36 a
a = - 108 : 36
a = - 3
y = - 3 ( x - 6 )² + 27
y = - 3 ( x² - 12 x + 36 ) + 27
y = - 3 x² + 36 x - 108 + 27
y = - 3 x² + 36 x - 81
y = - 3 ( x² - 12 x + 27 )
x² - 12 x + 27 = 0
x² - 9 x - 3 x + 27 = 0
x ( x - 9 ) - 3 ( x - 9 ) = 0
( x - 9 ) ( x - 3 ) = 0
x 1 = 3,  x 2 = 9
Answer:
The x-intercepts are ( 3, 0 ) and ( 9, 0 ).
7 0
3 years ago
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How do I Solve this problem?
nlexa [21]
U would factor by grouping and get x^2(x-2) + 3(x-2) and then get (x^2 +3) (x-2)
6 0
3 years ago
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Ms. Bell's mathematics class consists of 12 sophomores, 8 juniors, and 9 seniors. How many different ways can Ms. Bell create a
shtirl [24]

Answer:

792

Step-by-step explanation:

It's a combination question. The order is of no consequence. Also the fact that there are juniors and seniors is not important either.

So the answer is

12C5

12!

====

(12 - 5)! * 5!

12 * 11 * 10 * 9 * 8

==============

5 * 4 * 3 * 2 * 1

792

7 0
3 years ago
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