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qwelly [4]
4 years ago
6

A shipping container will be used to transport several 50-kilogram crates across the country by rail. The greatest weight that c

an be loaded into the container is 27000 kilograms. Other shipments weighing 12900 kilograms have already been loaded into the container. Write and solve an inequality which can be used to determine xx, the number of 50-kilogram crates that can be loaded into the shipping container.
Mathematics
1 answer:
Serggg [28]4 years ago
6 0

Answer:

69<20

Step-by-step explanation:

270 a a

def  it is th9s bbc ew feh

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Yoko is a software saleswoman. Her monthly salary is $2200 plus an additional $40 for every copy of English is Fun she sells.
trapecia [35]

Answer:

y=40x+2200

Step-by-step explanation:

Since there is no question, I just provided you with the equation.

8 0
4 years ago
b. Find a 99% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 years and
rjkz [21]

Answer:

<em>99% of confidence intervals for mean age of ICU patients</em>

<em>(53.8920 , 61.2079)</em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given sample mean </em>x^{-} = 57.55<em></em>

Given standard error is determined by

                                                             S.E =\frac{S.D}{\sqrt{n} }

<em>Given data standard error = 1.42</em>

<em>99% of confidence intervals for mean is determined by</em>

(x^{-} - Z_{0.01} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.01} \frac{S.D}{\sqrt{n} } )

Z_{\frac{\alpha }{2} } = Z_{\frac{0.01}{2} } = Z_{0.05} = 2.576

(x^{-} - 2.576 S.E , x^{-} + 2.576 S.E)

(57.55 - 2.576X 1.42 , 57.55+ 2.576 X1.42)

(53.8920 , 61.2079)

<u><em>Conclusion</em></u>:-

<em>99% of confidence intervals for mean is determined by</em>

<em>(53.8920 , 61.2079)</em>

5 0
3 years ago
We call a number a descending number if each digit is strictly smaller than the digit that comes before it. For example, $863$ i
Mnenie [13.5K]

There are <u>120</u> of 3-digit descending numbers in total.

There is just one three-digit number that is a falling number if 2 is in the hundreds position, and that number is 210.

There are three such descending numbers if the number three is in the hundreds location.

310

320

321

Six descending numbers are available if 4 is in the hundreds place.

410

420

421

430

431

432

We have 10 descending numbers if the number five is in the hundreds location.

510

520

521

530

531

532

540

541

542

543

The current totals are: 1, 3, 6, and 10.

A +2 jump occurs from 1 to 3.

There is a +3 jump from 3 to 6.

From 6 to 10, there is a +4 jump.

Since there are 15 descending numbers and 6 is the hundreds digit, they are as follows: 610 620 621 630 631 632 640 641 642 643 650 651 652 653 654

Also included are the descending numbers 15+6 = 21 with the hundreds digit 7; 21+7 = 28 with the hundreds digit 8; and 28+8 = 36 with the hundreds digit 9.

They are 1,3,6,10,15,21,28, and 36.

1+3+6+10+15+21+28+36.

Equals 120 when added together.

Thus, there are <u>120</u> of 3-digit descending numbers in total.

Learn more about descending numbers at

brainly.com/question/13193576

#SPJ4

7 0
2 years ago
necesito una tabla con posibles valores de largo y ancho de un rectangulo que su area debe tener de constante 720cm2
Dafna11 [192]

Answer:

Step-by-step explanation:

3 0
3 years ago
Which is a function A. {(7, 3), (7, 15), (7, -11)} B. all of the options correct
frosja888 [35]
7,-11 I think it the answer
6 0
3 years ago
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