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Lelu [443]
3 years ago
13

Which expression is equivalent to (r^-7)^6

Mathematics
2 answers:
WITCHER [35]3 years ago
7 0

Answer:

r^{-42}

Step-by-step explanation:

(r⁻⁷)⁶ = r⁽⁻⁷⁾ˣ⁶

      = (r)⁻⁴²

Lostsunrise [7]3 years ago
5 0

Answer:

{r}^{ - 42}

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em><em>.</em><em>!</em>

Step-by-step explanation:

({r}^{ - 7}) ^{6}   \\  =  {r}^{ (- 7) \times 6} \\   =  {r}^{ - 42}

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The radius of a circle is 14 ft. Find its circumference in terms of \piπ.
Tresset [83]

Answer:

Circumference of circle : 2πr

= 2 × π × 14

= 28 π ft

If you need any other help , please let me know ! ,[ you'll have to pay ]

3 0
3 years ago
.help me thanks much
DochEvi [55]
(16x^1/6y^-2)^3/2 / (x^-1/6y^6)^3/2

=(4^2)^3/2 (x^1/6)^3/2 (y^-2)^3/2 / (x^-1/6)^3/2(y^6)^3/2
= 4^3   x^1/4 y^-3  / x^-1/4 y ^9
= 64 x^(1/4 +1/4) y^(-3-9)
= 64 x^1/2 y^-12
= 64 x^1/2 / y^12

answer is D.64 x^1/2 / y^12
8 0
3 years ago
What value must be defined for to remove the discontinuity of this function at ?
olchik [2.2K]

Answer:

Option D. 8

Step-by-step explanation:

we have

f(x)=\frac{x^{2}-16 }{x-4}

Remember that

x^{2}-16 =(x+4)(x-4)

substitute

f(x)=\frac{(x+4)(x-4)}{x-4}

Remove the discontinuity at x=4

Simplify

f(x)=(x+4)

so

Find the value of f(4)

For x=4

f(4)=(4+4)=8

4 0
3 years ago
if there were 36 students and nine of them have freckles what is the ratio with the students who do have freckles
Nikitich [7]
The ratio would be if it was not reduced, 9:36. If it was reduced it would be 1:4
7 0
4 years ago
Read 2 more answers
Plz help I’ll give Brainly
MrRissso [65]

Answer:

[i] Area of Juan's garden:

Soln,

length(l)=16

width(w)=12

area(a)=?

Now,

a=l×w

=16×12

=192

[ii] Area of Matthew's garden:

Soln,

length(l)=18

width(w)=21

area(a)=?

Now,

a=l×w

=18×21

=378

So,the area ofJuan's garden=192

And

the area of Matthew's garden=378

7 0
3 years ago
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