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3 years ago

Please tell the answer

Mathematics

1 answer:

GalinKa [24]3 years ago

3 0

You are finding the perimeter, so just add all the sides together

5 + 16 + 12 + 7 + 6 =
21 + 19 + 6 =
40 + 6 =
46

46 ft is your answer

hope this helps

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When you subtract two positive integers is the result always a positive integer

NikAS [45]

Sai vì số Nguyên dương nhỏ trừ số nguyên dương lớn bằng số nguyên âm

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3 years ago

Evaluate the variable expression when a = -2, b = 5, C = -5, and d = 3.

maksim [4K]

Answer:

-4(5)+1(-2*-5+5*3)

Step-by-step explanation:

-20+1(10+15)

-19(25)

-475

4 0

3 years ago

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Mr. Smith has 15.6 pounds of oranges to pack for shipment. He can ship 2.4 pounds of oranges in a large box and 1.2 pounds in a

s2008m [1.1K]

Answer:

3 boxes.

Step-by-step explanation:

Let x represent number of 1.2 pounds boxes.

We have been given that Mr. Smith has 15.6 pounds of oranges to pack for shipment. He can ship 2.4 pounds of oranges in a large box and 1.2 pounds in a small box.

The oranges covered in x small boxes would be $1.2x$

Oranges packed in 5 large boxes would be $5\times 2.4\text{ pounds}=12\text{ pounds}$ .

We can represent our given information in an equation as:

$1.2x+12=15.6$

$1.2x+12-12=15.6-12$

$1.2x=3.6$

$\frac{1.2x}{1.2}=\frac{3.6}{1.2}$

$x=3$

Therefore, the minimum number of small boxes required to ship the rest of the oranges would be 3 boxes.

7 0

3 years ago

2. Suppose that a particular medical procedure has a cost that is approximately normally distributed with a mean of $19,800 and

Lina20 [59]

Answer:

a) 0.5085

b) -1.6551

c) 0.8103834

Step-by-step explanation:

Data provided in the question:

Mean = $19,800

Standard deviation, s = $2,900

Now,

z score = [ X - Mean ] ÷ s

a) The procedure costs between $18,000 and $22,000

For X = $22,000

z-score = [ $22,000 - $19,800 ] ÷ $2,900

= 0.7586

For X = $18,000

z-score = [ $18,000 - $19,800 ] ÷ $2,900

= -0.62069

P(procedure costs between $18,000 and $22,000)

= P(z < 0.7586) - P( z < -0.62069)

= 0.7759541 - 0.2674018 [ P value from standard z table ]

= 0.5085

b) The procedure costs less than $15,000

For X = $15,000

z-score = [ $15,000 - $19,800 ] ÷ $2,900

= -1.6551

thus,

The procedure costs less than $15,000

P (z < -1.655172 )

= 0.0489448 [ P value from standard z table ]

c) The procedure costs more than $17,250

z-score = [ $17,250 - $19,800 ] ÷ $2,900

= -0.87931

thus,

The procedure costs more than $17,250.

P (z > -0.87931 ) = 0.8103834

4 0

3 years ago

Y = 7x + 9<br> 2y + 2x = -18

zvonat [6]

Answer:

Step-by-step explanation:

Just multiply the first equation by -1 and then add them together to find x. Should look something like

-2x - y = -7

5x + y = 9

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

3x + 0 = 2

x = 2/3

Now back substitute using either equation to find y. I'll use the first:

2(2/3) + y = 7

4/3 + y = 7

y = 7 - 4/3 = 21/3 - 4/3 = 17/3

Answer:

x=2/3

y=17/3

5 0

3 years ago

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