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____ [38]
3 years ago
10

I need help with 34 it’s exponents

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
7 0

Answer:

\frac{x^6}{216y^9}

Step-by-step explanation:

I'm gonna assume your assignment is to rewrite without negative exponents?

(6x^{-2}y^3)^{-3}

multiply the exponent into the parentheses, (a^{b} )^c = a^{bc}

(6x^{-2}y^3)^{-3} = 6^{-3} x^6y^{-9}

now move the negative exponents "downstairs"

6^{-3} x^6y^{-9} = \frac{x^6}{6^3*y^9}

negative exponents in denominator move up, in numerator move down

simplifying now

\frac{x^6}{6^3*y^9} = \frac{x^6}{216y^9}

the other way to do this is to move the entire inside down, then multiplying the exponent, like this

(6x^{-2}y^3)^{-3}=\frac{1}{(6x^{-2}y^3)^{3}} =\frac{1}{6^3*x^{-6}y^9}

then move things up and down

both ways will get you the same answer

Alchen [17]3 years ago
5 0

Answer:

nnalbn sjxNdcsfve

Step-by-step explanation:

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work out an estimate for the number of boxes of grass seed Helen needs.to find your estimate, round each of the numbers in your
Dima020 [189]

Answer:

A circle is a bounded object with points from its center to its circumference is equidistant.

Area of a circle = πr²

Where :

π = pi = 3.14

R = radius = diameter / 2 = 20m / 2 = 10m

3.14 x 10² = 314m²

Number of boxes needed to cover the garden = area of the garden / coverage of one box

314m² / 58m² = 5.14

5 boxes to one significant figure

<h2>Brainliest pls</h2>

3 0
2 years ago
Try this X varies directly as y and jointly as z, and x = 20, when y=3 and z= 4 a. Find the constant b. What is the formula conn
Viktor [21]

Answer:

Step-by-step explanation:

as x is direct to y hence

x∝y

also given x∝z combine these two equation we get

x∝y*z

now insert b as constant

x=b*y*z

as given x=20, y=3 , z=4 putt in above equation we get

b=20/3*4 =5/3 =1.666

if you like it the  hit the star and brain list it pls

5 0
3 years ago
Pls answer the 4 equations for the graph.
mihalych1998 [28]
The second one is the correct one
6 0
3 years ago
Read 2 more answers
The International Coffee Association has reported the mean daily coffee consumption for U.S. residents as 1.65 cups. Assume that
Harman [31]

Answer:

The calculated value  t = 1.3788 < 2.0262 at 0.05 level of significance

the null hypothesis is accepted

There  is no significant difference between  their counterparts across the nation

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the mean of the U.S residents  = 1.65

Given that the size of the sample 'n' = 38

Mean of the sample = 1.84

Given that the standard deviation of the sample (S) = 0.85

<u><em>Step(ii):-</em></u>

<u><em>Null hypothesis:</em></u>H₀:

There  is no significant difference between  their counterparts across the nation

<u><em>Alternative Hypothesis:-</em></u>H₁:

There  is  a significant difference between  their counterparts across the nation

Test statistic

                t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }

               t = \frac{1.84-1.65}{\frac{0.85}{\sqrt{38} } }

              t =  1.3788

Degrees of freedom

                ν = n-1  = 38-1 = 37

t₀.₀₅ ,₃₇ =    2.0262

The calculated value  t = 1.3788 < 2.0262 at 0.05 level of significance

Null hypothesis is accepted

<u><em>Final answer:-</em></u>

There  is no significant difference between  their counterparts across the nation.

5 0
3 years ago
At a local park, Jared can choose between two circular paths to ride his bicycle. One path has a diameter of 240 yards, and the
amid [387]

Answer:

94.2 yards

Step-by-step explanation:

1st path = d = 120 yards

c= pie d

c= 376.8 yards

2nd yard = r = 45 yards

c = 2 pie r

c = 2(3,14)(45)

c = 282.6 yards

then subtract yard 1 and yard 2 to get 94.2 yard

ANSWER :94.2 yards

4 0
3 years ago
Read 2 more answers
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