In Devon's school, the morning session runs for a total of 182 minutes. The morning session
includes 4 class periods of equal length and a homeroom period that lasts for 10 minutes.
Using the variable m to represent minutes, write an equation that can be used to find the
length of each class period. Then solve for m.

Answer:

0.54 or 54%

Step-by-step explanation:

P( 1st but not second) = P(1st) - P(1st and Second) = 0.4 - 0.28 = 0.12 = 12%

P( 2nd but not first) = P(2nd) - P(1st and Second) = 0.7 - 0.28 = 0.42 = 42%

Probability of 1 of them (exactly one) = P( 1st but not second) + P( 2nd but not first) = 0.12 (12%) + 0.42 (42%) = 0.54 or also 54%.

Hope this helps!

Answer:

375

Step-by-step explanation:

The measure of A is: 78°

I'm just borrowing a little amount of points thank you sm

Answer and step-by-step explanation:

I believe it is 287. I am not entirely sure, but I believe that is the answer.

Answer:

If given enough information yes

Step-by-step explanation:

If you were given the weight and the distibution of the weight and the elasticity of the cup, as well as the trajectory of the cup and the force it was thrown at, and the proportions of the cup, its shape, where it's landing, etc. You could give a definitive probability. For example, If there is more weight at the bottom of the cup it might be less probable to land on it's side

Step-by-step explanation:

sorry i am unable to understand what it is asking but if you inform me more i would love to help

Answer:

D). 10699

Step-by-step explanation:

D is right the math is hard to explain.

9514 1404 393

Answer:

  x = 1

Step-by-step explanation:

As written, we must interpret your equation as ...

  [tex]\dfrac{3}{x}-2=\dfrac{1}{x}\\\\\dfrac{2}{x}=2\qquad\text{add $2-\dfrac{1}{x}$}\\\\x=\dfrac{2}{2}=1\qquad\text{multiply by $\dfrac{x}{2}$}[/tex]

The value of x is 1.

Answer: SA≈27.1.

The formula is SA=2πrh+2πr2.

The radius is 0.75 since 1.5 divided by 2=0.75.

Plug it in.

Answer:

y = -3x - 16

Step-by-step explanation:

m = -3 ; (-6 , 2)

Slope point form : y - y1 = m(x -x1)

y - 2 = -3(x - [-6])

y - 2 = -3(x + 6)

y -2 = -3x + 6*(-3)

y - 2 = -3x - 18

    y = -3x - 18 + 2

  y = -3x - 16    

Answer:

(y+1/2  ; y)

Step-by-step explanation:

hello :  all  ordered pair is a solution of the linear equation x=y+1/2;(-5,-2) is :

(y+1/2  ; y)

(-5 ; -2) is not  solution because y = -2  but  -2+1/2 = -3/2 no -5

.Answer:

The answer is .31

Step-by-step explanation:

When there is a “th” at the end of the number it signals that the number is to the right of the decimal.

Tenths are immediately to the right of the decimal, next is hundredths, then thousandths, and so on.

a. The interest earned is $307.40.

b. The balance of the account after 4 years is $1982.40.

Simple interest is a type of interest that is calculated only on the principal amount of a loan or investment. It is a fixed percentage of the principal amount that is added to the loan or investment balance over a specified period of time.The formula for simple interest is:

I = P * r * t

In finance, the term "principal" usually refers to the initial amount of money that is borrowed or invested, excluding any interest or other fees that may be added on later.

In the given question,

a. To find the interest earned, we can use the formula:

Interest = Principal x Rate x Time

where Principal is the initial amount of money, Rate is the interest rate, and Time is the duration of the investment. Plugging in the given values, we get:

Interest = $1675 x 0.046 x 4

Interest = $307.40

Therefore, the interest earned is $307.40.

b. To find the balance of the account, we simply add the interest earned to the initial amount:

Balance = Principal + Interest

Balance = $1675 + $307.40

Balance = $1982.40

Therefore, the balance of the account after 4 years is $1982.40.

To know more simple interest, visit:

https://brainly.com/question/30824126

#SPJ1

Answer:

a)ab and yz, ac and xy, bc and xz

b)yz  =   xy  =   xz          30 = 37.5 = 45      3 = 3 = 3      

ab      ac        bc          40     50       60     4    4    4

c)they are similar because all sides break down to ¾  

Step-by-step explanation: this is what i did on my test

Answer:

The 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013 is between $140.39 and $309.11

Step-by-step explanation:

Sample mean:

Sum of all values divided by the number of values. So

[tex]S_{m} = \frac{249+349+299+249+149+135+199+169}{8} = 224.75[/tex]

Confidence interval:

We have the standard deviation for the population, so the z-distribution is used.

We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:

[tex]\alpha = \frac{1 - 0.995}{2} = 0.0025[/tex]

Now, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].

That is z with a pvalue of [tex]1 - 0.0025 = 0.9975[/tex], so Z = 2.807.

Now, find the margin of error M as such

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.

[tex]M = 2.807\frac{85}{\sqrt{8}} = 84.36[/tex]

The lower end of the interval is the sample mean subtracted by M. So it is 224.75 - 84.36 = $140.39

The upper end of the interval is the sample mean added to M. So it is 224.75 + 84.36 = $309.11

The 99.5% confidence interval for the mean price for all phones of this type being sold on the Internet in 2013 is between $140.39 and $309.11

Answer:

first one is 4.5 second one is 45

Step-by-step explanation:

Answer: C

Step-by-step explanation:

Answer:

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Step-by-step explanation:

Answer:

94.2 ft of fencing

Step-by-step explanation:

To answer this, find the circumference, C, of the garden, using the circumference formula C = 2(pi)r.

Here, with r = 15 ft, we get C = 2(3.14)(15 ft) = 94.2 ft of fencing will enclose this garden.

9514 1404 393

Answer:

  see attached

Step-by-step explanation:

12. The first attachment has the rate of change on each interval. (It is listed at the end of the interval.) It is computed by dividing the difference in length by the corresponding difference in months. The units of rate of change are inches per month.

The baby was growing fastest in the first 3 months.

__

13. The first attachment has the rate of change on each interval. It is computed by dividing the difference in height by the corresponding difference in seconds. The units of rate of change are meters per second. A negative number indicates the elevator is going down.

The second attachment shows a graph of the distance versus time.

_____

I find it convenient to let a spreadsheet do repetitive calculations. I can enter the formula once and copy it where needed. I don't have to worry about the accuracy of the arithmetic, and the result can be formatted to suit the problem requirements. (The basics of most spreadsheet programs can be learned in a few minutes.)

Answer:

10 and 12

Step-by-step explanation:

the LCM of 10 and 12 is 60

10 and 12 have 2 as the least common factor between them

Answer:

x=-1

Step-by-step explanation:

use math a way

Answer: a school must transport 200 students

Step-by-step explanation:

Answer:

eleven r plus seven s

Step-by-step explanation:

thats the written form

Each shape is 1 whole. Estimate to divide each into equal parts (do not draw fourths). Divide each whole using a different fractional unit.

Images has been attached showing 3/4 of the shapes are squares.

Given that,
To draw a set of shapes where 3/4 of the shapes are squares.​

In congruent geometry, the shapes that are so identical. can be superimposed on themselves.

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.

Here,
There are 3 squares and 1 nonregular quadrilateral, total = 4
the ratio of 3 squares to the total shapes = 3 / 4

Thus, Images has been attached showing 3/4 of the shapes are squares.

Learn more about congruent geometry here. https://brainly.com/question/12413243

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4000

by using pythagoras theorem h^2=p^2+b^2