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3 years ago

13

I need someone's help.. I need someone to go on this website and do some math for me... I can send you the login and password in

your inbox. Who's up for it?

1 answer:

devlian [24]3 years ago

3 0

Um , sorry to break it to you but ..... we cant just do that for you . If you have the login and password why cant you do it

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The headline reporting the results of a poll stated, "Majority of Adults at Personal Best in the Morning." The results indicat

Natasha_Volkova [10]

Answer:

A.

Step-by-step explanation:

Majority is over 50%

6 0

4 years ago

I solve kinda a bit but its hard (Algebra 2)

melisa1 [442]

Answer:

x=9

Step-by-step explanation:

The goal is to combine our knowledge of geometry area and algebra skills to solve this problems.

We know area of rectangle is

$l \times w$

where l is the length and w is the width. We know that one side is 3 less than the other side. We can use L or W but let use L. Let x replace L

One side is x, while the other side is

$x - 3$

Both multiply to 54.

$x(x - 3) = 54$

${x}^{2} - 3x = 54$

${x}^{2} - 3x - 54 = 0$

$(x - 9)(x + 6)$

$x = 9$

or

$x = - 6$

Distance. is positive so x=9

8 0

3 years ago

A set average city temperatures in August are normally distributed with a mean of 21.25 degrees Celsius and a standard deviation

Ainat [17]

Answer:

The proportion of temperatures that lie within the given limits are 10.24%

Step-by-step explanation:

Solution:-

- Let X be a random variable that denotes the average city temperatures in the month of August.

- The random variable X is normally distributed with parameters:

mean ( u ) = 21.25

standard deviation ( σ ) = 2

- Express the distribution of X:

X ~ Norm ( u , σ^2 )

X ~ Norm ( 21.25 , 2^2 )

- We are to evaluate the proportion of set of temperatures in the month of august that lies between 23.71 degrees Celsius and 26.17 degrees Celsius :

P ( 23.71 < X < 26.17 )

- We will standardize our limits i.e compute the Z-score values:

P ( (x1 - u) / σ < Z < (x2 - u) / σ )

P ( (23.71 - 21.25) / 2 < Z < (26.17 - 21.25) / 2 )

P ( 1.23 < Z < 2.46 ).

- Now use the standard normal distribution tables:

P ( 1.23 < Z < 2.46 ) = 0.1024

- The proportion of temperatures that lie within the given limits are 10.24%

4 0

3 years ago

Sean works for a company.

victus00 [196]

Answer:

$126

Step-by-step explanation:

10-8=2(hours overtime)

1 1/4 × 12 = $15 per hour

2×15=$30

8×12=$96

$96+$30= $126

4 0

3 years ago

the area of a square sports arena is 10,000 m². What are the dimensions of the sports arena on the map? Show your work. (each ce

ollegr [7]

Answer:

2 cm.

Step-by-step explanation:

It is given that the area of a square sports arena is 10,000 m².

Area of a square = Square of side.

Let side of square sports arena is x m.

$x^2=10000$

Taking square root on both sides, we get

$x=\pm \sqrt{10000}$

$x=\pm 100$

Side length of a sports arena cannot be negative. So x=100 m.

It is given that each centimeter in map represents 50 m.

50 m = 1 cm

Multiply both sides by 2.

100 m = 2 cm

Therefore, the dimensions of the sports arena on the map is 2 cm.

8 0

3 years ago