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otez555 [7]
3 years ago
8

Find the area of a circle with radius, r = 19cm. Give your answer rounded to 3 SF.

Mathematics
1 answer:
Svet_ta [14]3 years ago
4 0
1130cm square
Area formula is pixr^2
Pi x 19^2 = 1134.1149...
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Raheem's entire workout consisted of 15 minutes of warm-up exercises, 30 minutes of lifting weights,and 45 minutes on the treadm
Sindrei [870]

Answer:

b

Step-by-step explanation:

Time taken for the total workout = 15 + 30 + 45 = 90 minutes

Time taken for lifting weight : total time = 30 : 90

                                                                 = 1 : 3

4 0
3 years ago
Add or subtract the polynomials<br> (8x3+3x-2)+(9x2-7+3x-2x3)
crimeas [40]

Answer:

10x^3+9x^2-9

Step-by-step explanation:

8x^3+2x-2+9x^2-7+2x-2x^3 - Combine like terms

10x^3+9x^2-9

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3 years ago
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A restaurant has 60 tables. The graph shows the average number of tables occupied during each day of the week. During which day
Naddika [18.5K]

Answer: Saturday

Step-by-step explanation:

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8 0
3 years ago
Which is the midpoint of the segment joining (12, 2) and (-5, – 7)?
Rainbow [258]

Answer:

m(x, y)=(\frac{7}{2} , -\frac{5}{2} )

Step-by-step explanation:

Midpoint of line segment is calculated as

m(x, y)=(\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2} )  -----------(1)

Here

(x_1, y_1) = (12,2) \ \  and \ \ (x_2, y_2) = (-5, -7)

Substituting values in equation (1)

m(x, y)=(\frac{12-5}{2} , \frac{2-7}{2} )

m(x, y)=(\frac{7}{2} , -\frac{5}{2} )

3 0
3 years ago
I need help with this
snow_lady [41]

Answer:

x = 2 square roots of 2

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it is a 45-45-90 triangle and in that the two legs are equal to each other so both are 2 and then the hypotenuse is x times the square root of 2

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