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nordsb [41]
3 years ago
15

Describe a real world situation where you might use the Pythagorean Theorem. Help due today :))

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0
Answer: When carpenters want to construct a guaranteed right angle, they can make a triangle with sides 3, 4, and 5 (units). By the Pythagorean Theorem, a triangle made with these side lengths is always a right triangle, because
3^2
+
4^2
=
5^2


Explanation: hope this helps
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Marshall's mom buys 2 boxes of granola bars each week. each box contains 8 granola bars. if she continues buying 2 boxes each we
sukhopar [10]
She buys 2 boxes each week for a year (there is 52 weeks in a year) = 2 x 52 = 104 boxes per year
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6 0
3 years ago
A college job placement office collected data about students’ GPAs and the salaries they earned in their first jobs after gradua
frez [133]

Answer:

X is the GPA

Y is the Salary

Standard deviation of X is 0.4

Standard deviation of Y is 8500

E(X)=2.9

E(Y)=47200

We are given that The correlation between the two variables was r = 0.72

a)y = a+bx

b = \frac{\sum(x_i-\bar{x})(y_i-\bar{y})}{\sum(x_i-\bar{x})^2} = \frac{r \times \sqrt{var(X) \times Var(Y)}}{Var(X)} =  \frac{0.72 \times \sqrt{0.4^2 \times 8500^2}}{0.4^2} = 15300

a=y-bx = 47200-(15300 \times 29) = 2830

So, slope =  15300

Intercept =  2830

So, equation : y = 2830+15300x

b) Your brother just graduated from that college with a GPA of 3.30. He tells you that based on this model the residual for his pay is -$1880. What salary is he earning?

y = 2830+15300 \times 3.3 = 53320

Observed salary = Residual + predicted = -1860+53320 = 51440

c)) What proportion of the variation in salaries is explained by variation in GPA?

The proportion of the variation in salaries is explained by variation in GPA = r^2 = (0.72)^2 =0.5184

8 0
3 years ago
how to find the volume of a cylinder with a radius of 8 and a height of 23 rounding to the 10th place
alisha [4.7K]

Answer:

V≈4624.42

Step-by-step explanation:

4 0
3 years ago
Please help me I dnt get it
yuradex [85]
The answer would be A and E because the distance (d) is more than 125 miles

8 0
3 years ago
Joe makes $13.35 an hour. If Joe works 40 hours in one week, how much would he earn for the week?
Lelechka [254]

Answer:

534

Step-by-step explanation:

multiply 13.45 by 40 and you will get 534

6 0
3 years ago
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