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2 years ago

There are (49)5 ⋅ 40 books at the library. What is the total number of books at the library?

Mathematics

1 answer:

ANTONII [103]2 years ago

7 0

(4^9)5 X 4^0
4^9 is 262,144 x 5 = 1,310,720
1,310,720 x 1 = 1,310,720

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If a=under root s(s-a)(s-b)(s-c) then the value of a, when a =3 b =4c = 5 and s =a+b+c by 2

kramer

Answer:

Step-by-step explanation:

Here it's given that ,

$\sf\red{\longrightarrow} A=\sqrt{s(s-a)(s-b)(s-c)}$

Also ,

$\sf\red{\longrightarrow} s =\dfrac{a+b+c}{2}$

And we need to find out the value of A , when

a = 3
b = 4
c = 5

So , on substituting the respective values to find s we have ,

$\sf\red{\longrightarrow} s =\dfrac{3+4+5}{2}=\dfrac{12}{2}=\bf{6}$

Now let's find out A as ,

$\sf\red{\longrightarrow} A = \sqrt{6(6-3)(6-4)(6-5)} \\$

$\sf\red{\longrightarrow}A =\sqrt{6 * 3 * 2 * 1}\\$

$\sf\red{\longrightarrow} A = \sqrt{3^2 * 2^2 *1^2}\\$

$\sf\red{\longrightarrow}A = 3*2\\$

$\sf\red{\longrightarrow}\boxed{\qquad \blue{\bf A = 6 \qquad}}$

7 0

2 years ago

Select the correct answer.

zhannawk [14.2K]

You have a good day and good luck on that question

8 0

3 years ago

Plz some one help me

sveta [45]

9 games

You can get this by multiplying each percentage by the total number of games to see what they have to expect.

.55*180 = 99 games (red team)

.60*180 = 108 games (blue team)

Now subtract the blue team expectation from the red team.

108 - 99 = 9 games.

6 0

3 years ago

a bus with 32 passengers stops and picks up 9 more people.at the next stop, s passengers get off.there are 41 passengers left on

Lemur [1.5K]

Answer:

B. B is the answer cause math (Sorry I just want points)

3 0

3 years ago

Read 2 more answers

This thing is hard help me please I need to get a good grade

Greeley [361]

Step-by-step explanation:

2y=14

y=7

-2x-2(7)=-28

-2x=-28+14

-2x=-14

x=7

4 0

3 years ago