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horrorfan [7]
2 years ago
12

23. A 340 million square mile forest is how many hectares?

Mathematics
2 answers:
vazorg [7]2 years ago
4 0

Answer:

8.80597(10^{10}) hectares

Step-by-step explanation:

This is unit conversion:

340,000,000miles(\frac{258.999 hectares}{1 mile} )

We then multiply, with our units miles canceling out and leaving us with hectares:

8.80597(10^{10}) hectares

or

88059700000 hectares

Firlakuza [10]2 years ago
3 0

Answer:

88059595400 hectares

Step-by-step explanation:

Convert 340 million square miles into hectares.

1 square mile = 258.99881 hectares

340,000,000 square miles = 88059595400 hectares

The forest is 88059595400 hectares.

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Don claims that perpendicular lines are lines that intersect such that at least one of the angles is a right angle.
boyakko [2]

A) Intersecting lines allow for the creation for angles with a common vertex

B) if one of the angles is a right angle, the angle the vertical to it must also be a right angle

Step-by-step explanation

C) is not true because linear pairs are supplementary not complementary because a line = 180°

B) it’s true because they are corresponding vertical angles

A) it’s true because they all have the same starting point or vertex

7 0
2 years ago
Which expression is equal to StartAbsoluteValue negative 12 EndAbsoluteValue minus StartAbsoluteValue Negative 3 EndAbsoluteValu
Sedbober [7]

Answer:

9.

Step-by-step explanation:

When there is an absolute value, anything within the absolute value becomes positive. Things outside the absolute values stay as they are.

|-12| - |-3| = 12 - 3 = 9.

Hope this helps!

3 0
2 years ago
Read 2 more answers
One can convert temperature from Fahrenheit into Newton using the formula N=11/60(F-32) . What is the temperature in Fahrenheit
notsponge [240]
N=11/60*(F-32). Multiply both sides by 60/11, so that 60/11*N=F-32. Add both sides by 32, F=60/11*N+32.
5 0
1 year ago
there are 104 students in the fourth grade at Allisons school. one day 15 4th graders were absent how many 4th graders were at s
Rama09 [41]
<span>This is a simple subtraction question. To find the answer, you simple need to subtract 15 from 104. This equals 89, so there were 89 4th graders at school that day in total. In the instance you're unsure that a subtraction equation is right, you can also add your answers back together to double check, so 89 + 15 = 104.</span>
8 0
2 years ago
Of 560 samples of seafood purchased from various kinds of food stores in different regions of a country and genetically compared
frutty [35]

Answer:

a) (0.5256,0.5944)  

c) Criticism is invalid

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 560

Proportion of mislabeled = 56%

\hat{p} = 0.56

a) 90% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.64

Putting the values, we get:

0.56\pm 1.64(\sqrt{\dfrac{0.56(1-0.56)}{560}}) = 0.56\pm 0.0344\\\\=(0.5256,0.5944)

b) Interpretation of confidence interval:

We are 90% confident that the true proportion of all seafood in the country that is mislabeled or misidentified is between 0.5256 and 0.5944 that is 52.56% and 59.44%.

c) Validity of criticism

Conditions for validity:

np > 10\\n(1-p)>10

Verification:

560\times 0.56 = 313.6>10\\560(1-0.56) = 246.4>10

Both the conditions are satisfied. This, the criticism is invalid.

8 0
2 years ago
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