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monitta
3 years ago
15

Area of composite figures 8m 8m 8m

Mathematics
1 answer:
Gwar [14]3 years ago
7 0
Have to find the area of square + area of sector + area of triangle.

Area of square = 8 x 8
= 64m^2

Area of sector = 22/7 x 8^2 x 90/360
= 50.3m^2

Area of triangle = 1/2 x 8 x 8
= 32m^2

Area of composite shape = 64 + 50.3 + 32 = 146.3m^2
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If log(16)=s, what is the value of 2/3 log(6400) - 1/3 log(1600) in terms of s?
eduard

The value of   \dfrac{ 2}{3} log(6400) - \dfrac{1}{3} log(1600)  in terms of s will be

\dfrac{2}{3}(400s)-\dfrac{1}{3}(1000s)

<h3>What is Logrithm?</h3>

A quantity representing the power to which a fixed number (the base) must be raised to produce a given number.

Here we have the expression:-

\dfrac{ 2}{3} log(6400) - \dfrac{1}{3} log(1600)

So in terms of s the expression will become:-

\dfrac{2}{3}(400s)-\dfrac{1}{3}(1000s)

To know more about logarithm follow

brainly.com/question/25710806

#SPJ1

8 0
2 years ago
Help me out! (URGENT) I need help with numbers 1-6 please
Alex Ar [27]

Answer:

Step-by-step explanation:

1. Blank= 5

2. Blank= 10 (I believe)

3. Blank= 8

4. Blank= 13 (I believe)

5. Blank= 12

6. Blank= 7

Hope it helps!

OwO

4 0
3 years ago
Poker. 26 red, 26 black. Take one every time, you can choose to guess whether it’s red. You have only one chance. If you are rig
xenn [34]

Answer: 339/8788= 0.039

Step-by-step explanation:

Let black card be represented with B and the red card be represented with r. Therefore, P(B,r) is the expected value.

Hence, we say, (b,r) is not equal to (0,0) for the first state, we then, have a probability of B/r+B(the probability of drawing out a black card and loosing a point.

Also, (B-1,r) state with the probability of r/r+B(which is the probability of drawing out a red card and gaining a point).

The expected value is therefore;

B/r+B(-1+(B-1,r) + r/r+B(1+P(B,r-1))

Therefore, if we have negative, then;

P(B,r)=0,B/r+B(-1,r)) + r/r+B(1+P(B,r-1))...

P(0,0)=0; P(26,26) = 339/8788

=.039

Note: we say that the expectation at the start if we draw red,gaining +1 and if we draw black and then draw two reds you end +1. That is; 1/26 × 2/26 × 1/26 = 1+ 338/8788

= 339/8788.

5 0
4 years ago
What number is 25% of 5/8
sergij07 [2.7K]

Answer:

5/32 or .15625

Step-by-step explanation:

5/8=.625x.25=5/32 or .15625

3 0
3 years ago
One increased by 7 times a number is the same as 5 times the number plus 25
sammy [17]

Answer:

12

Step-by-step explanation:

Let the number = x

7x + 1 = 5x + 25                 Subtract 5x from both sides.

7x - 5x + 1 = 5x - 5x + 25   Combine

2x + 1 = 25                          Subtract 1 from both sides.

2x + 1 - 1 = 25-1                   Combine

2x = 24                               Divide by 2

2x/2 = 24/2

x = 12

4 0
3 years ago
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