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timofeeve [1]
3 years ago
10

What is

tex-formula"> x hx^{-9} simplified
Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

Step-by-step explanation:

a^{m}*a^{n}=a^{m+n}\\\\\hx^{8} * hx^{-9} = h^{1+1} *x^{8 +(-9)}\\\\ =h^{2}x^{-1}

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Mkey [24]

Answer: y+6x = -34

<em><u>Step-by-step explanation:</u></em>

y-2= -6(x+6)                              (<u><em>Ax+By=C is the goal)</em></u>

y-2= -6x-36  <u>(-6) x & (-6) 6</u>

y=-6x-34 (Add 2 to both sides)

<em>y+6x = -34   [Add 6x to both sides]</em>

5 0
3 years ago
A survey of 5,913 American adults concludes that 53% of them prefer Captain America to Ironman. Find the Margin of Error. Type y
Virty [35]

Answer:

1.3%

Step-by-step explanation:

Phat = 0.53

1 - phat = 1 - 0.53 = 0.47

Sample size, n = 5913

Assume the confidence level = 95%

Zcritical at 95% = 1.96

Margin of Error = Zcritical * √(phat(1 -phat)) / n

Margin of error :

1.96 * √((0.53 * 0.47) / 5913)

1.96 * 0.0064905

= 0.0127215

= 0.0127215 * 100%

= 1.272%

= 1.3%

5 0
4 years ago
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jenyasd209 [6]

Answer:

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7 0
4 years ago
Which proportion would you use to solve the following problem? A map has a scale of 1 cm : 5 km. Determine how far apart two cit
natta225 [31]

Answer:

40 km

Step-by-step explanation:

We can use a ratio to solve

1 cm       8 cm

-------- = ----------

5 km        x km

Using cross products

1 * x = 5 * 8

x = 40

40 km

7 0
3 years ago
Read 2 more answers
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Artyom0805 [142]

The answer is 3/4 miles
6 0
3 years ago
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