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3 years ago

What percent is $58 of $75 (to the nearest hundredth)? 7.73% 773.33% 0.77% 77.33%

Mathematics

2 answers:

marin [14]3 years ago

5 0

77.33 percent Because 58/75=0.7733 which correlates to 77.33 percent.

professor190 [17]3 years ago

3 0

The answer is 77.33% rounded to the nearest hundredths

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Find positive numbers x and y satisfying the equation xy=12 such that the sum 2x+y is as small as possible.

lbvjy [14]

We are given equations as

$xy=12$

Firstly, we will solve for y

$y=\frac{12}{x}$

now, we are given sum as

$S=2x+y$

now, we can plug back y

$S=2x+\frac{12}{x}$

Since, we have to minimize it

so, we will find it's derivative

$S'=2-\frac{12}{x^2}$

now, we can set it to 0

and then we can solve for x

$S'=2-\frac{12}{x^2}=0$

$x=\sqrt{6},\:x=-\sqrt{6}$

Since , both numbers are positive

so, we will only consider positive value

$x=\sqrt{6}$

now, we can find y-value

$y=\frac{12}{\sqrt{6}}$

$y=2\sqrt{6}$

So, two positive numbers are

$x=\sqrt{6}$

$y=2\sqrt{6}$ ............Answer

6 0

3 years ago

Marco bought a box of nails at a hardware store for $3.60. If the box contains 180 nails, the equation 3.60 = 180k can be used t

Lady_Fox [76]

Answer:

0.02

Step-by-step explaination

3.60 divided by 180 = 0.02

3 0

2 years ago

Read 2 more answers

A roulette wheel has the numbers 1 through 36, 0, and 00. A bet on four numbers pays 8 to 1 (that is, if you bet $1 and one of t

Natasha_Volkova [10]

Answer:

Lose $0.05

Step-by-step explanation:

There are 38 possible spots on the roulette wheel (numbers 1 to 36, 0 and 00).

If the player can choose four numbers on single $1 bet, his chances of winning (W) and losing (L) are as follows:

$P(W) = \frac{4}{38} \\P(L) = 1-P(W) = 1-\frac{4}{38} \\P(L) = \frac{34}{38}$

The expected value of the bet is given by the probability of winning multiplied by the payout ($8), minus the probability of losing multiplied by the bet cost ($1)

$EV=\frac{4}{38}*\$8 -\frac{34}{38}*\$1\\EV= -\$0.05$

On each bet, the player is expected to lose 5 cents ($0.05).

4 0

2 years ago

(x^6z^9)(4xyz^9)(-5x^8y^6)

Mariana [72]

We can re arrange this:
(-5)*(4) * x^6 * x * x^8 * y * y^6 * z^9 * z^9

using exponent properties
we can get
-20 x^15 y^7 z^18
as our simplified answer.

3 0

3 years ago

Eloise made a list of some multiples of 8/5 write 5 fractions that can be in Eloise list

alexgriva [62]

This question is asking for a list of fractions, that when you pull out common factors, they will all simplify back to the 8/5 fraction.

So if 2 is the common factor, you multiply the numerator and denominator by 2.

2: (8*2)/(5*2)= 16/10

3: (8*3)/5*3)= 24/15

4: (8*4)/(5*4)= 32/20

5: (8*5)/(5*5)= 40/25

10: (8*10)/5*10)= 80/50

Eloise's Potential List:
16/10, 24/15, 32/20, 40/25, 80/50

If you simplify any of these fractions above, you will get 8/5 again.

To work backwards:
80/50: 10 goes into 80, 10 goes into 50= 8/5

16/10: 2 goes into 16, 2 goes into 10= 8/5

Hope this helps! :)

4 0

2 years ago