Which is an inccorect rounding of 53.864

Answers

Answer 1

Answer: 52 is an incorrect rounding of 53.864 because you must round up, but in the incorrect one you would round down. Have a magical day!

Answer 2

Answer: 60.800 that is an incorrect rounding of 53.864

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What are the next four multiples of the fraction 3/5?

Answers

1 and 1/5, 1 and 4/5, 2 and 2/5, 3

Solve for x to four significant digits

7^x=13

Answers

1.318

Explanation:
Really what you're looking for is a value of x that, when 7 is raised to that power, will give you 13.
putting the equation in terms of f and g (any variables will do) :
7^x = f(x)
13= g(x)

using the rule if f(x)=g(x) then ln f(x) = ln g(x)
If any function f of x equals g of x then the natural log of f of x equals the natural log of g of x.

Therefore:
ln (7^x) = ln (13)

With logs, if there is something raised a power, the exponent can simply be moved to the front, so:
ln (7^x) = x * ln 7
note: *=multiplication

therefore your new equation is
x*ln 7 = ln 13
if you divide both sides by ln 7, you get that
$x = (ln 13)/(ln 7)$
x = 1.318123223
but you only need four sig figs (significant figures) so your answer is
x = 1.318

*Note = the answer is 1.318 only because those are the first four digits of the answer. I suggest looking up rules for sig figs if you do not know what they already are

HOPE THAT HELPS
_V :)

Which statement best compares savings accounts and money market accounts?

Answers

Answer: A regular savings account has fewer restrictions on withdrawals than a money market account but at a lower interest rate

Step-by-step explanation: got it from my notes

Answer:

A money market account allows for more withdrawals than a regular savings account but at a higher interest rate.

Step-by-step explanation:

Which equation is equivalent to y-6=-12(x+4)A. y=-6x-48
B. y=6x-48
C. y=-12x-42
D. y=-12x-54

Answers

mmmm i think its C but I'm not sure, I'm sorry if the answer was wrong :)

A home mortgage is usually borrowed for how long

Answers

The traditional home mortgage is usually borrowed for 30 years.

PLEASEEE HELP. Solve x^3-7x^2+6x-42=0

Answers

factor by grouping

x^2(x-7) + 6(x-7) = 0 [took x^2 out of the first two and a 6 out of the last two]
(x-7)(x^2+6) = 0 [moved (x-7) out to the front]
x = -i sqrt(6) , i sqrt(6) , 7

only one real solution of x = 7

$x^(3) -7 x^(2) +6x-42=0$

$(x-7)$ is a factor since it is a factor of -42 and 7 is a solution for f(x) to equal 0.

$(x-7)(a x^(2) +bx+c)=0$

$(x-7)( x^(2) +bx+6)=0$

$-7 x^(2) +b x^(2) =-7 x^(2)$

$-7+b=-7$

$b=0$

$(x-7)( x^(2) +6)=0$

$x-7=0$

$x^(2) +6=0$

$x=7$ (only solution because you can't square root (-6))

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