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Nuetrik [128]
2 years ago
14

A 24 foot flagpole casts a 20 foot shadow of the building next to it is an 85 foot shadow find the height of the building

Mathematics
1 answer:
Zigmanuir [339]2 years ago
6 0

Answer: 102 foot / feet tall

Step-by-step explanation:

First, we have to find the unit rate . . . what is 24 divided by 20 ? 1.2/1

Second, multiply . . . what is 1.2 x 85 ? 102

( sorry if this is wrong - I forgot how to do the second part for a sec )

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Which is larger 4.5 or 9/2​
Murrr4er [49]

Answer:

Both are equal

4.5 = 9/2

4.5 = 4.5

Hope it will help :)

6 0
2 years ago
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find the circumference and the area of the circle with the radius 9m use the value 3.14 for it do not round your answer be sure
kirill [66]

Explanation:

The circumference and the are of a circle with radius r

are:

\begin{gathered} A=\pi r^2 \\ C=2\pi r \end{gathered}

If we use pi = 3.14 and the radius is 9m:

A=3.14\cdot(9m)^2=3.14\cdot81m^2=254.34m^2C=2\cdot3.14\cdot9m=56.52m

Answers:

• Area: ,254.34 m²

,

• Circumference: ,56.52 m

7 0
11 months ago
In a certain Algebra 2 class of 30 students, 14 of them play basketball and 10 of them play baseball. There are 14 students who
Veseljchak [2.6K]

Answer:

In a certain Algebra 2 class of 30 students, 22 of them play basketball and 18 of them play baseball. There are 3 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?

I know how to calculate the probability of students play both basketball and baseball which is 1330 because 22+18+3=43 and 43−30 will give you the number of students plays both sports.

But how would you find the probability using the formula P(A∩B)=P(A)×p(B)?

Thank you for all of the help.

That formula only works if events A (play basketball) and B (play baseball) are independent, but they are not in this case, since out of the 18 players that play baseball, 13 play basketball, and hence P(A|B)=1318<2230=P(A) (in other words: one who plays basketball is less likely to play basketball as well in comparison to someone who does not play baseball, i.e. playing baseball and playing basketball are negatively (or inversely) correlated)

So: the two events are not independent, and so that formula doesn't work.

Fortunately, a formula that does work (always!) is:

P(A∪B)=P(A)+P(B)−P(A∩B)

Hence:

P(A∩B)=P(A)+P(B)−P(A∪B)=2230+1830−2730=1330

7 0
2 years ago
What kind of transformation does the graph show?
Yakvenalex [24]
It looks like a slide because it looks to be shifted not flipped or changed in other way.
4 0
3 years ago
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5) The graph of the parent linear function f(x) = x is shown in black on the coordinate grid. Write the function that represents
djyliett [7]

Answer:

(m) increased, (b) unchanged.     g(x)

(m) decreased, (b) unchanged.   m(x)

(m) unchanged, (b) increased.      h(x)

(m) unchanged, (b) decreased.    n(x)

f(x): m = -1/2  b = 2

g(x): m = 1/3  b = -3

h(x): m = 2  b = 0

8 0
2 years ago
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