help me please!!!!!! giving out brainliest

The amount of interest she will earn in one year will be 5 dollars and 12 cents.

The normal interest levied on the amount borrowed from any bank on a yearly basis is called the simple interest.

Given that:-

The simple interest amount will be:-

SI   =   (  P   x   R   x   T  )  / 100

SI  =    (  160   x   x   3.2   x   1  )  /   100

SI   =    $5.12

Therefore the amount of interest she will earn in one year will be 5 dollars and 12 cents.

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Answer:

2/935

Step-by-step explanation:

I have attached an image of the equation to use. Assuming that this is without replacement, we'll be taking out one piece out of the bag every time that one is chosen.

Therefore, for probability, the fraction is part/whole. We first have 9 red to 36 pieces in total, but if we take one out, we'll get 8 red left in the bag, and 35 pieces in total. This continues until we fulfill the prophecy (I don't know. qualifications?) that 4 of the pieces are red.

You can try this for yourself, but once simplified, it should be 3024/1413720, which simplifies to 2/935.

Please let me know if you need more clarification or have issues! probability can be confusing :)

Answer:

2/935

Step-by-step explanation:

dito^

Answer:

0.904

EX ;  Each time the die is rolled, there are only two possible outcomes, either the result is a 2, or it is not. The result on a roll is independent of any other roll, which means that the binomial distribution is used to solve this question.

Binomial probability distribution

- The parameters are:

x is the number of successes.

n is the number of trials.

p is the probability of a success on a single trial.

In this problem:

- The die is rolled 7 times, hence .

One out of the 6 sides is a 2, hence

- Then:

0.905 = 90.5% probability of getting at most 2 twos.

Answer:

It's b

Step-by-step explanation:

Answer:

Lake A

Step-by-step explanation:

FIrst off I am not sure how this connects with the lake but based on what I have seen and learned so far I would say that the Answer to #3 on the last question is Lake A and for the second part based on the data set I am unsure of how to do that but at least u got the answer to #3? sorry if this is no help.

Answer:

Total is 24

HALF THE TOTAL- 12

Impossible event- Picking a black marble

Certainty- Picking either one of a green, red, or blue marble

As likely as not event would be picking a blue marble(probability of that is 12/24= 1/2)

More likely than not event would be picking either a red or blue marble whose probability in total is 18/24= 3/4.

Unlikely event- You not picking anything at all

Step-by-step explanation:

Hi. Took me some time to attempt all problems, but the key to solving these problems is to ahve a firm foundation of basic probability. Things like likeliness and unlikelieness are all outskirts of probability, so I would reccomend getting yourself familiar with those basics. You GOT THIS!

The claim of Tara is correct about who thinks the mean of the students is 6 hours in school each day.

The mean of the data is the average value of the given data. The mean of the data is the ratio of the sum of all the values of data to the total number of values of data.

The data which is collected from two random samples of a total 500 American students on the number of hours spend in school per day.

The mean of the data from sample A and B is,

[tex]\text{Mean}=\dfrac{4(70+80)+5(100+90)+6(125+120)+7(135+125)+8(70+85)}{70+80+100+90+125+120+135+125+70+85}\\\text{Mean}=\dfrac{6080}{1000}\\\text{Mean}=6.08[/tex]

The mean is approx 6 hours in school each day.

Now, Meg concludes that mean of students is 7 hours in school each day while Tara thinks the mean is 6 hours.

Thus, the claim of Tara is correct about who thinks the mean of the students is 6 hours in school each day.

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Answer:

10x+4b+3

Step-by-step explanation:

x+x+x+x+x+x+x+x+x+x+b+b+b+b+3

There are 10 x

4 b

and one number

10x+4b+3

Answer:

10x+4b+3

Step-by-step explanation:

x+x+x+x+x+x+x+x+x+x+b+b+b+b+3

So when we add them we get 10x and 4b, which makes the equation

=> 10x+4b+3

The Z-score for Boris is 1.627, and the Z-score value for the Callie is 1.267, Boris scored higher relatively.

The Z test is a parametric procedure that is used on data that is dispersed in a normal fashion. For testing hypotheses, the z test can be used on one sample, two samples, or proportions. When the population variance is known, it analyzes if the means of two big groups are dissimilar.

We know the formula for the Z-test:

[tex]\rm Z = \dfrac{X-\mu}{\sigma}[/tex]

(a) For Boris:

[tex]\rm Z = \dfrac{67-60}{4.3}[/tex]

Z = 1.627

(b) For Callie:

[tex]\rm Z = \dfrac{119-110}{7.1}[/tex]

Z = 1.267

(c) Since the measures of two different data have been set to one measure and the value of the Z-score for Boris is higher relative to the Z-score value of Callie so Boris scored higher relatively.

Thus, the Z-score for Boris is 1.627, and the Z-score value for the Callie is 1.267, Boris scored higher relatively.

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The appropriate next step according to materials covered in this course is to examine post hoc pairwise comparisons.

Pairwise Comparisons is known to be a kind or type of post-hoc analysis, where a person can compare the mean differences to that of a critical value.

Note that a post hoc tests tell a person, the key differences that exist  between three or more set of means when an analysis of variance (ANOVA) F test is said to be significant just as in the case above.

See options below

Examine post hoc pairwise comparisons

Examine Levene’s test of equality of variance

Examine the results for each DV with 6 ANCOVAs

Examine the results for each DV with 6 ANOVAs

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If you can observe

ABC is an equilateral triangle

so

∆DEB is also equilateral triangle

Answer:

20%

Step-by-step explanation:

sry if wrong byeeeeee

Answer:

1. 7x^6

2. 25x^4

3. -3x^-4

4. -4x^-3

5. 20x

Step-by-step explanation:

Multiply the power by the coefficient, answer is your new coefficient. then reduce the power by 1.

Answer:

40%

Step-by-step explanation:

see photo for explanation of answer

Answer

[tex]x=\frac{11}{3}[/tex]

Explanation

Based on the given conditions, formulate:: [tex]y=3[/tex]

Substitute [tex]y=3[/tex] into [tex]y=-6x+25[/tex] :: [tex]3=-6x+25[/tex]

Rearrange variables to the left side of the equation: [tex]6x=25-3[/tex]

Calculate the sum or difference: [tex]6x=22[/tex]

Divide both sides of the equation by the coefficient of variable: [tex]x=\frac{22}{6}[/tex]

Cross out the common factor: [tex]x=\frac{11}{3}[/tex]

Answer:

P = 20

Step-by-step explanation:

Mean

The equation of a circle that contains the point (–2, 8) and has a center at (4, 0) is (x - 4)² + y² = 10²

An equation is an expression that shows the relationship between two or more variables and numbers.

The circle contains the point (–2, 8) and has a center at (4, 0), hence:

[tex]radius=\sqrt{(0-8)^2+(4-(-2))^2}=10\ units[/tex]

The equation is:

(x - 4)² + (y - 0)² = 10²

(x - 4)² + y² = 10²

The equation of a circle that contains the point (–2, 8) and has a center at (4, 0) is (x - 4)² + y² = 10²

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Answer:

A

Step-by-step explanation:

the first one is the answer

Answer:

1 gal =231 cu/in

r^2pi*ht=area

36pi*7=    791.68cu/in

231*3.25=750cu/in

              41.68/(r^2pi)

            =41.65/113.1=.368"

Step-by-step explanation:

Note that 1 gallon = 231 cubic inches.

Volume of liquid = 231 cubic inches = PI*R^2*H  (equation for volume of a cylinder)

We have a radius (half diameter), so we can figure out the height of the liquid.  

To figure how far below the top the liquid is, we subtract the height of the liquid from the height of the punch bowl (7 inches).

Answer:

The zeros of this function are x=(1,7)

Step-by-step explanation:

Answer:

3 miles?

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

pythagorean theorum

a^2+b^2=c^2

4^2+3^2=c^2

16+9=25

[tex]\sqrt{25}[/tex]=5

5*4=20

Answer:

no the height of the tree doesnt determine the heiht of the box, thatd be a pretty large box if so

The Volume of the given solid using polar coordinate is:[tex]\frac{-1}{6} \int\limits^{2\pi}_ {0} [(60) ^{3/2} \; -(64) ^{3/2} ] d\theta[/tex]

V= [tex]\frac{-1}{6} \int\limits^{2\pi}_ {0} [(60) ^{3/2} \; -(64) ^{3/2} ] d\theta[/tex]

To find the volume in polar coordinates bounded above by a surface z=f(r,θ) over a region on the xy-plane, use a double integral in polar coordinates.

Consider the cylinder,[tex]x^{2}+y^{2} =1[/tex] and the ellipsoid, [tex]4x^{2}+ 4y^{2} + z^{2} =64[/tex]

In polar coordinates, we know that

[tex]x^{2}+y^{2} =r^{2}[/tex]

So, the ellipsoid gives

[tex]4{(x^{2}+ y^{2)} + z^{2} =64[/tex]

4([tex]r^{2}[/tex]) + [tex]z^{2}[/tex] = 64

[tex]z^{2}[/tex] = 64- 4([tex]r^{2}[/tex])

z=± [tex]\sqrt{64-4r^{2} }[/tex]

So, the volume of the solid is given by:

V= [tex]\int\limits^{2\pi}_ 0 \int\limits^1_0{} \, [\sqrt{64-4r^{2} }- (-\sqrt{64-4r^{2} })] r dr d\theta[/tex]

= [tex]2\int\limits^{2\pi}_ 0 \int\limits^1_0 \, r\sqrt{64-4r^{2} } r dr d\theta[/tex]

To solve the integral take, [tex]64-4r^{2}[/tex] = t

dt= -8rdr

rdr = [tex]\frac{-1}{8} dt[/tex]

So, the integral  [tex]\int\ r\sqrt{64-4r^{2} } rdr[/tex] become

=[tex]\int\ \sqrt{t } \frac{-1}{8} dt[/tex]

= [tex]\frac{-1}{12} t^{3/2}[/tex]

=[tex]\frac{-1}{12} (64-4r^{2}) ^{3/2}[/tex]

so on applying the limit, the volume becomes

V= [tex]2\int\limits^{2\pi}_ {0} \int\limits^1_0{} \, \frac{-1}{12} (64-4r^{2}) ^{3/2} d\theta[/tex]

=[tex]\frac{-1}{6} \int\limits^{2\pi}_ {0} [(64-4(1)^{2}) ^{3/2} \; -(64-4(2)^{0}) ^{3/2} ] d\theta[/tex]

V = [tex]\frac{-1}{6} \int\limits^{2\pi}_ {0} [(60) ^{3/2} \; -(64) ^{3/2} ] d\theta[/tex]

Since, further the integral isn't having any term of [tex]\theta[/tex].

we will end here.

The Volume of the given solid using polar coordinate is:[tex]\frac{-1}{6} \int\limits^{2\pi}_ {0} [(60) ^{3/2} \; -(64) ^{3/2} ] d\theta[/tex]

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