The half-life of radon is 385 days. What fraction of a sample with no atoms remains at the end of 77 days?​

Answer:

Yes

Step-by-step explanation:

If you divide 26 by six, you get s decimal smaller than 5. Remember, 5*5=25. 6*5=30, so that doesn't work. 6*4=24, so that does. Then you get four with a remainder of one.

The amount $4,000 deposited by Sam into an IRA account where it earns 9.8% interest, compounded monthly, will be $12903.8  when Sam is 33.

Compound interest is the amount charged on the principal amount and the accumulated interest with a fixed rate of interest for a time period.

The formula for the final amount with the compound interest formula can be given as,

[tex]A=P\times\left(1+\dfrac{r}{n\times100}\right)^{nt}\\[/tex]

Here, A is the final amount (principal plus interest amount) on the principal amount P of with the rate r of in the time period of t.

At age 25, Sam deposited $4,000 into an IRA account where it earns 9.8% interest, compounded monthly. Thus,

[tex]P=4000\\r=9.8\%[/tex]

Now the worth has to be found out when Sam is 33. Thus, the total time period in year is,

[tex]t=33-25\\t=12\rm\; years[/tex]

Put the values in the formula,

[tex]A=4000\times\left(1+\dfrac{9.8}{12\times100}\right)^{12\times12}\\A\approx12903.8[/tex]

Thus, the amount $4,000 deposited by Sam into an IRA account where it earns 9.8% interest, compounded monthly, will be $12903.8  when Sam is 33.

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#SPJ1

Answer: $8733.01

Step-by-step explanation: I got it right on my quiz

Answer:

B. 6 cookies

Step-by-step explanation:

Given :

Number of chocolate chip

Answer:

Step-by-step explanation:

N 32 players

Q1. 12 onces bottles

Q2. 1.152 onces water

N bottle?

1.152/12= 96 (number of bottles)

96/32=3 (number por player)

The total cost of the item at the value of $25 and a tax of 7% is $26.75

Given Data

We have the given expression to find the total cost which is

Total = c + 0.07c

Substituting our given data into the expression we have

Total = 25 + 0.07*25

Total = 25 + 1.75

Total = $26.75

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Answer:I drew a quadratic function with a vertex and axis of symmetry, hope this helps

Answer:

How might the situation lead to bullying?

How might the situation lead to bullying?

How might the situation lead to bullying?

How might the situation lead to bullying?

Step-by-step explanation:

Answer:

ok

Step-by-step explanation:

Step-by-step explanation:

that is totally simple.

the area of a parallelogram is

baseline × height

basically the same as for a rectangle, just that in this more general form the height is no longer the other side.

in our case here

18×13 = 234 cm²

Answer:

Cocaine, methamphetamines, and other stimulants can cause stroke in two ways. To begin with, stimulant drugs increase blood pressure. These drugs also have a direct effect on the vessel walls, and the extra pressure can cause them to rupture and leak blood into the brain. This is known as a hemorrhagic stroke.

Step-by-step explanation:

The base of the ladder and the wall forms a right triangle

The horizontal distance between the base of the ladder and the wall is 9.3 feet

The given parametes are:

Angle = 69 degrees

Length of the ladder (l) = 26 feet

The horizontal distance (h) is calculated using the following cosine ratio

cos(θ) = h/l

Substitute known values

cos(69) = h/26

Make h the subject

h = 26 * cos(69)

Evaluate the product

h = 9.3

Hence, the horizontal distance between the base of the ladder and the wall is 9.3 feet

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Answer:

0.008791747

Step-by-step explanation:  

0.000879  

x       1.028

-------------------

         0167

       01580

   000000

08790000

---------------------

  8791747

0.000879 and 1.028 have NINE decimal places total, so add NINE decimal places from the LEFT to the above answer.

Final answer: 0.008791747

I hope this helps!

Answer:

y=1/4x+3

Step-by-step explanation:

You can find the slope by starting at the point (4,2), then using "rise over run" you can count up(rise) 1, then side(run) 4. So the slope, or "m" would be 1/4x. The B value is the y Intercept, and the y Intercept is (0,3) so you would write it as 3 in the equation.

Answer:

y blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah

12 face cards

->12/52

=3/13

Answer:

$6.08 per pound

Explanation:

30 ounce ⇒ $11.40

conversions:

solve:

Answer:

$6.08

Step-by-step explanation:

Mohsin purchased a 30-ounce bag of dried Turkish figs for $11.40.

⇒ 30 ounces of dried Turkish figs = $11.40

Finding the cost per ounces:

30 ounces of dried Turkish figs/30 = $11.40

⇒ 30 ounces of dried Turkish figs/30 = $11.40/30

⇒ 1 ounce of dried Turkish figs = $0.38

Finding the cost per pounds:

1 pound ↔ 16 ounces

⇒ 1 ounce of dried Turkish figs = $0.38

⇒ 1 ounce of dried Turkish figs × 16 = $0.38 × 16

⇒ 16 ounces of dried Turkish figs = $6.08

Answer:

5 [tex]\frac{5}{8}[/tex]

Step-by-step explanation:

[tex]\frac{1}{4} = \frac{2}{8}[/tex]

[tex]\frac{2}{8} + 5\frac{3}{8}[/tex]

Your solution is:

5 [tex]\frac{5}{8}[/tex]

Answer:

8 packages

Step-by-step explanation:

First, let's subtract.

#1) Remove the cost of the notebook.

#2) Remove the amount that needs to be saved.

#3) Make the inequality.

The number of cups of fruit Allison will need is = 4 ⅘ cups of fruits

The quantity of strawberries needed for each fruit drink= 3/5 cup

The quantity of blueberries needed for each fruit drink = 1/5 cup

Therefore the total quantity of fruits needed for each drink = 3/5 + 1/5

= 4/5

If 4/5 = 1 fruit drink

X = 6 fruit drinks

Make X the subject of formula,

X = 4/5 × 6

X = 24/5

X= 4 ⅘

Therefore, the number of cups of fruit Allison will need is = 4 ⅘ cups of fruits

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The ratio of the area of the first figure to the area of the second figure is 4:1

From the question, we are to determine the ratio of the area of the first figure to the area of the second figure

The two figures are similar

From one of the theorems for similar polygons, we have that

If the scale factor of the sides of two similar polygons is m/n then the ratio of the areas is (m/n)²

Let the base length of the first figure be ,m = 14 mm

and the base length of the second figure be, n = 7 mm

∴ The ratio of their areas will be

[tex](\frac{14 \ mm}{7 \ mm})^{2}[/tex]

[tex]= \frac{196 \ mm^{2} }{49\ mm^{2} }[/tex]

[tex]=\frac{4}{1}[/tex]

= 4:1

Hence, the ratio of the area of the first figure to the area of the second figure is 4:1

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Answer:

D

Step-by-step explanation:

sub in the x value and if its equal to -2 its on that line

Answer:

Each get 89 marbles and the leftovers are 0

Step-by-step explanation:

We have to ditribute the 267 marbles for 3 people so divide 267 by 3:

[tex]\frac{267}{3}[/tex] = 89

So each one gets 89

The leftovers are 0 because 267 is divisible by 3, means that if we divide 267 by 3 we will get a natural number ( no decimal part/ remainder=0)

remainder=0 → leftovers=0

Answer:

Exact form would be 1/8

and the decimal form is 0.125

Answer:

2^-3=1/8=0.125

Step-by-step explanation:

We have a negative exponent (-3) in order to make an exponent positive write the reciprocal of the number

We get 2^-3 = 1/(2^3)

and 2^3=8

so we get 2^-3= 1/8 =0.125

Answer:

15% interest

Step-by-step explanation:

because it's 15 out of 100 so that would be 15%

Answer:

1.25 feet to the nearest hundredth.

Step-by-step explanation:

Voilume = π r^2 h

Here V = 48π , and area of the base = π r^2 = 121.

So  48π = 121h

h =  48π / 121

= 1.25 feet to the nearest hundredth.

Answer:

-331/140

Step-by-step explanation:

Answer:

You need to add 200 mL of the 55%   to obtain the desired solution

Step-by-step explanation:

x=mixture you need to add

20% * 150 + 55% x = 40%(x + 150)

0.20 * 150 + 0.55x = 0.40(x + 150)

30+0.55x=60+0.40x

0.15x = 30

x=200 mL

Answer:

Step-by-step explanation:

Quadratic equations are commonly used in situations where two things are multiplied together and they both depend on the same variable. For example, when working with area, if both dimensions are written in terms of the same variable, you use a quadratic equation.

Answer:

The Third one.

Step-by-step explanation:

So, Turn the mixed number, 2 1/4, to an improper fraction, 9/4. Then match the answer!

If you need anything else, just message me!

Have a nice day! :)

Answer:

Step-by-step explanation:

pls brainlest mee

Answer:

a. 21.95 or abt 22

b. Length of the ladder

Step-by-step explanation:

pythagorean theorem - a^2 + b^2 = c^2

[c is slope/hypoteneuse] [a and b are sides]

11^2 + 19^2 = c^2

121 + 361 = c^2

482 = c^2

sqrt(482) = c

c = 21.954 or abt 22