All categories

3 years ago

The diagram shows a shape with some sides labelled with expressions.

Mathematics

1 answer:

vodomira [7]3 years ago

6 0

27 is 284 tomorrow and 3848 wbu 186

You might be interested in

Solve x + 5 = 8.

Step2247 [10]

Answer:

subtract 5 from each side

Step-by-step explanation:

since 5 is a positive sign at first

after move to the other side suppose to be -

6 0

3 years ago

Read 2 more answers

Because of high production-changeover time and costs, a director of manufacturing must convince management that a proposed manuf

7nadin3 [17]

Answer:

See explanation below

Step-by-step explanation:

Here, a director of manufacturing must convince management that a proposed manufacturing method reduces costs before the new method can be implemented. The current production method operates with a mean cost of $220 per hour.

a) The alternative and null hypotheses would be:

H0: μ ≥ 220

Ha: μ < 220

b) Comment on the conclusion when H0 cannot be rejected:

When we fail to reject the null hypothesis H0, there is not enough evidence to conclude that the mean cost can be reduced from $220. Therefore the manager's proposed method cannot be implemented.

c) Comment on the conclusion when H0 can be rejected:

When the null hypothesis, H0 is rejected, there is enough evidence to conclude that the mean cost can be reduced from from $220. Therefore the manager's proposed method can be implemented.

3 0

3 years ago

There are 26 cards in a hat, each of them containing a different letter of the alphabet. If one card is chosen at random, what i

mylen [45]

Answer:

0.81

Step-by-step explanation:

The letters between L and P are M,N,O.

It is inclusive, so we have 5 letters L,M,N,O,P.

The letters which we can choose we have 26-5=21.

The probability to choose a letter not between L and P is 21/26=0.81

The solution is 0.81, ie,

You have 81% chance to choose latter not between L and P.

4 0

3 years ago

Simplify 5 radical -24

Aleks [24]

Answer:

= 10root6 i

Step-by-step explanation:

= 5 • 2root6 i

= 10root6 i

6 0

3 years ago

Weights of female cats of a certain breed are normally distributed with mean 4.1 kg and standard deviation 0.6 kg.

Diano4ka-milaya [45]

The proportion is 0.4401.

We find z-scores that correspond with both ends of this interval. Z-scores are given using the formula:

$z=\frac{X-\mu}{\sigma}$

For the lower end,

$z=\fracc{3.7-4.1}{0.6}=\frac{-0.4}{0.6}=-0.67$

The proportion of scores to the left of this number is 0.2514.

For the higher end, the z-score is

$z=\frac{4.4-4.1}{0.6}=\frac{0.3}{0.6}=0.5$

The proportion of scores to the left of this number is 0.6915.

To find just the proportion of scores between these two, we subtract;

0.6915-0.2514 = 0.4401.

3 0

3 years ago