Answer:
3217.00
Step-by-step explanation:
V=πr^2h=π·8^2·16≈3216.99088
We can just plug in the values of x = 2 and y = 4 into the expression 4x+y to get 4*2 + 4 = 8 + 4 = 12.
for 2y-x = 2*4 - 2 = 8 - 2 = 6
Answer:
yes, system have a solution
Step-by-step explanation:
Given data
linear equation = 6
unknown = 9
to find out
Will the system necessarily have a solution
solution
we multiply one non zero solution and we know that
A = 6 × 9 matrix
and n = 9
so dim (NulA) = 3
because we know (9-6) = 3
and rank of (A) = n - dim(NulA) = 9 - 3 = 6
so we say now here image of A i.e 6 dimensional subspace (A have 6 row)
so that Col (A) will be ![R^{6}](https://tex.z-dn.net/?f=R%5E%7B6%7D)
so its mean Ax = b has solution when we have b
so we now say that yes, system have a solution
Rewrite the equation using the properties of logarithms:
e^ln(x+3) = e^7
Exponentiation and ln are inverse functions so the equation simplifies to:
x + 3 = e^7
Subtract 3 from both sides:
x = e^7 -3
Raise e to the power of 7 and subtract 3 from that:
x = 1093.633 ( Rounded to the nearest hundredth).