3 years ago

A flagpole casts a shadow 15 feet long. Brad is 6 feet tall. If Brad casts a 4.5ft shadow, how tall is the flag pole?

Mathematics

1 answer:

hram777 [196]3 years ago

7 0

Answer:

11.25

Step-by-step explanation:

9/12 of 15 is 11.25

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The answer is 156.8. You can do 1.6 times 98

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3 years ago

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Ben bowled 160 and 191 in his first two games. What must he bowl in his third game to have an average of at least 190?

natita [175]

I don’t understand the question

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2 years ago

Explain whether the following given sets are closed under addition:

Ivan

Answer:

Step-by-step explanation:

a) Yes.

$\forall\ a,b\ \in\ B,\ a+b\in B\ (since\ 0+0=0)$

b) Yes

$W=\{0,1,2,3,..,\}\ (whole\ numbers)\\\forall\ a,b\ \in\ 3W,\ a+b\in 3W\\since:\\a\ \in\ 3W \Longrightarrow\ \exists\ k_1\in W | a=3*k_1\\\\b\ \in\ 3W \Longrightarrow\ \exists\ k_2\in W | b=3*k_2\\\\a+b=3*k_1+3*k_2=3*(k_1+k_2) \in 3W\\$

c) Yes

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d) No

$3\in V , 3+3=6\notin V\\$

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3 years ago

At which values of X does the function F(x) have a vertical asymptote check all apply F(x) =3/(x+2) (x-7)

finlep [7]

Answer:

When x = -2 or when x = 7

Step-by-step explanation:

x+2 is a factor in the denominator. If x = -2, the factor becomes zero.

x-7 is a factor in the denominator. If x = 7, the factor becomes zero.

We can't have zero as a factor in a denominator because division by zero is not defined. It doesn't have any meaning.

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3 years ago

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I factored the 10 and put it on the outside

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