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Ira Lisetskai [31]

2 years ago

13

The sum of the first 50 natural numbers is (1) 1.275 (3) 1,250 (2) 1,875 (4) 950

1 answer:

mash [69]2 years ago

6 0

1275 is the awanser

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In the figure below, the radius of circle P is 10 units. The arc length of ABC is 16 pi. What is the arc measure of AC, in degre

MArishka [77]

Answer:

25

Step-by-step explanation:

8 0

2 years ago

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Find the missing factor 6x^2+13x-5=(2x+5) ( )

Aneli [31]

Use slip and slide method
x^2+13x-30
(x+15)(x-2)
(x+15/6)(x-2/6)
(x+5/2)(x-1/3)

(2x+5)(3x-1)

Final answer: (3x-1)

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2 years ago

A hungry Emperor penguin was swimming 21 feet below sea level. It swam up 9 feet to eat a fish. What is the position of the peng

MatroZZZ [7]

Answer:

Step-by-step explanation:

21 feet below is written as -21

9 feet up is written as +9

So we have -21 + 9 = -12 or 12 feet below sea level

6 0

2 years ago

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The circle C has centre A(2,1) and passes through the point B(10,7). Find and equation for C

Semmy [17]

The equation of a circle:
$(x-h)^2+(y-k)^2=r^2$
(h,k) - the coordinates of the centre
r - the radius

$A(2,1) - \hbox{the centre} \\
h=2 \\ k=1 \\ \\
(x-2)^2+(y-1)^2=r^2 \\ \\
\hbox{passes through B(10,7)} \\
x=10 \\
y=7 \\ \\
(10-2)^2+(7-1)^2=r^2 \\
8^2+6^2=r^2 \\
64+36=r^2 \\
r^2=100 \\ \\
\hbox{the equation:} \\ \boxed{(x-2)^2+(y-1)^2=100}$

7 0

3 years ago

How long is a line of 1 million centimeter cubes be?

fenix001 [56]

Answer:

1m cm

10m mm

Step-by-step explanation:

4 0

2 years ago

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