3 years ago

What two decimals are equivalent to 3.300

Mathematics

1 answer:

Rashid [163]3 years ago

4 0

3.3 and 3.30 are equivalent to 3.300

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Solve for y. ln(y-1)-ln2=x+ln x

alexandr402 [8]

$ln(y - 1) - ln(2) = x + ln(x)$
$e^{ln(y - 1) - ln(2)} = e^{x + ln(x)}$
$\frac{e^{ln(y - 1)}}{e^{ln(2)}} = e^{x} * e^{ln(x)}$
$\frac{y - 1}{2} = e^{x} * x$
$\frac{1}{2}y - \frac{1}{2} = xe^{x}$
$2(\frac{1}{2}y - \frac{1}{2}) = 2xe^{x}$
$y - 1 = 2xe^{x}$
$y = 2xe^{x} + 1$

3 0

3 years ago

Y is inversely proportional to x . When y = 25 , x = 4 Work out y when x = 20

ehidna [41]

Answer: 125

Step-by-step explanation:

4/25 = 20/Y

Cross multiply to get the equation

4Y = 500

Divide both sides by 4

Y=125

7 0

3 years ago

Circle A has a radius of 9 centimeters and Circle B has a diameter of 19 centimeters. What is the relationship between the circu

IRISSAK [1]

Answer:

18:19

Step-by-step explanation:

Given that,

The radius of circle A = 9 cm

The diameter of circle B = 19 cm

We know that,

Radius = diameter/2

The radius of circle B = 19/2 cm

The circumference of circle A is :

$C_A=2\pi r_A$ ....(1)

And that of circle B is :

$C_B=2\pi r_B$ ....(2)

Dividing equation (1) and (2) :

$\dfrac{C_A}{C_B}=\dfrac{2\pi r_A}{2\pi r_B}\\\\=\dfrac{r_A}{r_B}\\\\=\dfrac{9}{\dfrac{19}{2}}\\\\\dfrac{C_A}{C_B}=\dfrac{18}{19}$

Hence, the ratio of circumferences of Circle A and Circle B is 18:19.

7 0

3 years ago

Find the common differece of the sequence: 2,9,16,23

riadik2000 [5.3K]

So if 2 is the first term then if n=1 then n+1=sequence so far but

second term is 9 so if n=2 then the 2nd term=9
you must use trial and error to find
so it is
7n-5 so if n=1 then
7(1)-5=7-5=2

if n=2 then
7(2)-5=14-5=9
sucess

the equation is 7n-5

4 0

3 years ago

Read 2 more answers

Solve 2^10 + 2^10 = 2^n.

Lina20 [59]

Answer: n = 11

Step-by-step explanation:

2^10 = 1,024

1,025 + 1,025 = 2,048

2^11 = 2,048

8 0

3 years ago