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3 years ago

12

Choose the net for the three-dimensional figure. Hurry please guys

1 answer:

AveGali [126]3 years ago

7 0

I think it will be C

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An airplane with room for 100 passengers has a total baggage limit of 6000 lb. Suppose that the total weight of the baggage chec

antoniya [11.8K]

Answer:

The approximate probability that the total weight of their baggage

$P (\bar x >60) = 0.000$

Step-by-step explanation:

Given data;

number of passenger is 100

baggage limit = 6000 lb

standard deviation = 19 lb

mean value = 49

For 100 passengers baggage limit is 6000 lb

so, average weight for per passenger > 60

$P (\bar x >60)$

As mean value is 49, therefore $P (\bar x >60)$ lie on right side center

z is given as

$z = \frac{ \bar x \mu}{\sigma_{\bar x}}$

$z = \frac{60 - 49}{\frac{\sigma}{\sqrt n}}$

$z = \frac{60 - 49}{\frac{19}{\sqrt {100}}} = 5.79$

$P(Z>5.79) = AREA to the right of 5.79$

$P (\bar x>60) = P (Z>5.79) = 1 -P (Z < 5.79)$

= 1 -P (Z < 5.79)

= 1 - 1.0000

= 0.000

$P (\bar x >60) = 0.000$

6 0

3 years ago

Examine this system of equations. Which numbers can be multiplied by each equation so that when the two equations are added toge

podryga [215]

Answer:

18 times the first equation and 8 times the second equation

Step-by-step explanation:

we have

$\frac{1}{4}x-\frac{1}{6}y=5$ ------> first equation

$\frac{4}{5}x+\frac{3}{8}y=10$ ------> second equation

step 1

Multiply the second equation by 8 both sides to remove the fraction in the variable y

$8(\frac{4}{5}x+\frac{3}{8}y)=10(8)$

$\frac{32}{5}x+3y=80$

step 2

Multiply the first equation by 18 both sides to obtain the coefficient -3 in the variable y

$18(\frac{1}{4}x-\frac{1}{6}y)=5(18)$

$\frac{18}{4}x-3y=90$

step 3

Adds the new equation 1 and equation 2

$\frac{18}{4}x-3y=90\\\\ \frac{32}{5}x+3y=80\\ -------$

The y-term is eliminated

therefore

The answer is

18 times the first equation and 8 times the second equation

3 0

4 years ago

Population grows.

Gnom [1K]

Population are often modelled by exponential functions

The population will reach 1000000 people after 26.5 years

The population function is given as:

$P(x) = 692600 \times 1.014^x$

When the population reaches 1000000 people, we have:

P(x) = 1000000

So, the equation becomes

$1000000 = 692600 \times 1.014^x$

Divide both sides by 692600

$1.444=1.014^x$

Take logarithm of both sides

$log(1.444)=log(1.014)^x$

Apply logarithm to both sides

$log(1.444)=xlog(1.014)$

Make x the subject

$x = \frac{log(1.444)}{log(1.014)}$

Solve the logarithms of 1.444 and 1.014

$x = \frac{0.15957}{0.00603}$

Divide

$x = 26.5$

The value of x, is the number of years the population reaches 1000000 people.

Hence, the population will reach 1000000 people after 26.5 years

Read more about population at:

brainly.com/question/24581924

8 0

3 years ago

If x =20 and y =40,then x and y are

erastovalidia [21]

Answer:

Even

Divisible by 2

2x=y

.5y=x

Step-by-step explanation:

3 0

3 years ago

Jose tan three times last week. Here are the distances he ran (in kilometers)

Inessa05 [86]

He ran 29.1km over three days

6 0

3 years ago