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victus00 [196]
3 years ago
13

What is the area in cm^2 of the circle shown above

Mathematics
1 answer:
GaryK [48]3 years ago
6 0

Answer:

21

Step-by-step explanation:

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The difference of the present ages of two sister in 5 yrs
Gekata [30.6K]

Answer:

4 and 9

Step-by-step explanation:

let their ages be x and x - 5, then in 4 years their ages will be

x + 4 and x - 5 + 4 = x - 1 , and the product is 104, thus

(x + 4)(x - 1) = 104 ← expand factors on left using FOIL

x² + 3x - 4 = 104 ( subtract 104 from both sides )

x² + 3x - 108 = 0 ← in standard form

(x + 12)(x - 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 12 = 0 ⇒ x = - 12

x - 9 = 0 ⇒ x = 9

However, x > 0 ⇒ x = 9

Thus

Their present ages are 9 and 9 - 5 = 4

4 0
3 years ago
Complete the statement with equal to, greater than, or less than. 1/3 x 2 1/6 will be 2 1/6
schepotkina [342]

Answer:         c

Step-by-step explanation:

bc

7 0
2 years ago
Help please
exis [7]

Answer:

You can put this solution on YOUR website! 5X - 20 = 10 * X 5X - 20 = 10X Subtract 5x from each side-20 = 5X Divide each side by 5-4 = X. Let's make sure it works... 20 less than five times a number (-20-20) is equal to the product of ten and that number (10 * -4)

Step-by-step explanation:

8 0
3 years ago
What means the same as 6 x 5?<br> 65<br> 5 + 5 + 5 + 5 + 5<br> 6+6+6+6+6<br> I need an answer
Shalnov [3]

Answer:20+10

Step-by-step explanation:It is 20 plus 10 because 6 times 5 is 30 and so is 20 plus 10.

3 0
3 years ago
M^2+m-90 please explain steps to factor
tangare [24]
If you use photomath it will give you the answer and the steps to solve its a great app.


3 0
3 years ago
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