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3 years ago

What's the difference between perpendicular bisectors and altitudes

Mathematics

1 answer:

FromTheMoon [43]3 years ago

4 0

Perpendicular bisectors help you find the centroid; altitudes help find the orthocenter. This is all in a triangle.

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Six less than the product of five and a number is ten.

REY [17]

Answer:

• Let the number be x

${ \boxed{ \boxed{ \boxed{ \mathfrak{ \: answer \: }} \: \dashrightarrow \: } \: { \rm{5x - 6 = 10 \: }}}}$

4 0

3 years ago

Read 2 more answers

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and a standard deviation of 500

kolezko [41]

Answer:

The 35-week gestation period baby has a z-score of 0.7.

The 41-week gestation period baby has a z-score of 0.89

Since the 41-week gestation period baby has a higher z-score, he weighs more relatively to his gestation period.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Which baby weighs more relative to the gestation period?

The baby with the higher z-score.

35-week gestation period baby weighs 2850 grams

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and a standard deviation of 500 grams

This means that Z is found when $X = 2850, \mu = 2500, \sigma = 500$

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

$Z = \frac{2850 - 2500}{500}$

$Z = 0.7$

The 35-week gestation period baby has a z-score of 0.7.

41-week gestation period baby weighs 3150 grams.

Babies born after a gestation period of 40 weeks have a mean weight of 2800 grams and a standard deviation of 395 grams.

This means that Z is found when $X = 3150, X = 2800, \mu = 395$

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

$Z = \frac{3150 - 2800}{395}$

$Z = 0.89$

The 41-week gestation period baby has a z-score of 0.89

Since the 41-week gestation period baby has a higher z-score, he weighs more relatively to his gestation period.

5 0

3 years ago

If a bear and half give birth to a cub and a half in a day and a half, how many Cubs will six bears give birth to in seven days?

Morgarella [4.7K]

Answer:

28 cubs

Step-by-step explanation:

See ratios and step changes below

<u>Bears >> Cubs >> Days</u>
1.5 1.5 1.5
1.5 1 1
1.5 7 7
6 28 7

3 0

3 years ago

Question 35 I need help with .

iogann1982 [59]

Ok in 2001 the Barnes had 45,000, and 12% was dedicated to savings.

in 2002 their income went up by 10%, 10% of what? well, 10% of 45000, how much is that? well, 10% of anything is just (10/100) * anything

so 10% of 45000 is (10/100) * 45000 or just 4500, you simply chop off a zero

so, it went from 45000 to 45000 + 4500 or 49500

now, they do their budget the same, savings is 12% in 2002, just like in 2001, alrite, how much is 12% of 49500? well, 12% of anything is just (12/100) * anything

so... I'm sure you'd know how much (12/100) * 49500 is

6 0

3 years ago

1 3/4 = divided by 4

VARVARA [1.3K]

Answer:

7/16

Step-by-step explanation:

1 3/4 = 7/4

(7/4) / 4 = 7/4 * 1/4

7/16

5 0

3 years ago

Read 2 more answers