3 years ago

What is the probability that a point chosen at random will be in the shaded region?

Mathematics

1 answer:

Scilla [17]3 years ago

4 0

I will say 36 but I also will say wait on someone else to answer

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Find the sum of (1-1/n) + (1-2/n) + (1 - 3/n)....upto n terms

bija089 [108]

Answer:

(n - 1)/2

Step-by-step explanation:

F = (1 - 1/n) + (1 - 2/n) + (1 - 3/n) + ...(1 - n/n)

= (1 + 1 ... + 1) - (1/n + 2/n + 3/n + ...n/n)

(there are n terms of 1)

= n - (1 + 2 + 3 + ... + n)/n

= n - [n x (n + 1)/2]/n

= n - [n x (n + 1)]/[2 x n]

= n - (n+1)/2

= (2n - n - 1)/2

= (n - 1)/2

Hope this helps!

4 0

3 years ago

The lunch special at Jimmy John’s costs $5.60. The math club has $50.40 in its treasury. How many lunch specials can the club bu

dolphi86 [110]

Answer:

x=9

Step-by-step explanation:

Equation: 5.60x=50.40

Solve: 5.60x=50.40

Divide both sides by 5.60 ( 5.60x/5.60 ) and ( 50.40/5.60 )

x=9

5 0

3 years ago

The stock's value dropped from $38.50 to $34.00.What negative number shows the change in value?

schepotkina [342]

$-4.50 change in value

5 0

3 years ago

Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime and double time on holidays. Last week

Effectus [21]

Multiply the hours buy her hourly pay:

6 × 40 = 240

6 × 6.5 = 39

6 × 8 = 48

Add them together:

240 + 39 + 48 = 327

ANSWER: Mary Stevens made $327.

I really hope this helped you! c:

6 0

3 years ago

Find the value of x

Svet_ta [14]

Answer:

$150^o$

Step-by-step explanation:

Step 1: Distribute the plus

$(x + 15)^o + (135 - x)^o$

$x + 15 + 135 - x$

Step 2: Combine like terms

$x + 15 + 135 - x$

$(x - x)^o + (15 + 135)^o$

$0 + 150^o$

$150^o$

Answer: $150^o$

7 0

3 years ago

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