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dedylja [7]
2 years ago
11

AnSwER tHIs ssssssssssss

Mathematics
1 answer:
Karolina [17]2 years ago
6 0

Answer:

30.4955 cm

Step-by-step explanation:

circumference of a circle = 2πr

circumference of a quarter circle = (2πr)/4

perimeter = { (2πr)/4 } + r + r

= { (2×3.142×7)/4 } + 7 + 7

= 30.4955

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30 minutes after 7:30 would be 8:00 PM
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An airplane travels at a constant speed of 300 miles per hour. How far, in miles, will the airplane travel in 20 minutes?​
Strike441 [17]

Answer:

100 miles in 20 minutes.

Step-by-step explanation:

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7 0
3 years ago
If f(x) = -9x +9 and g(x)+squroot x+1, what is (f degree sign g) 24
Leno4ka [110]
(f ° g) (x) means the composition of the two functions in this order f (g (x) )

So, given f(x) = - 9x + 9 and g(x) = √(x + 1),  you must do this:

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7 0
3 years ago
For brainily please help
nydimaria [60]
I think it’s W=16
Hope it helps
5 0
2 years ago
If CX = 5 units, then DZ = ___ units
gulaghasi [49]

Answer:

DZ=4\ units

Step-by-step explanation:

we know that

If CD is parallel to XZ

then

Triangle XYZ is similar to Triangle YCD

therefore

The ratio of their corresponding sides are equal

\frac{XY}{CY}=\frac{ZY}{YD}

we have

CX=5\ units, CY=25\ units, YD=20\ units,

XY=CX+CY

XY=5+25=30\ units

ZY=YD+DZ

ZY=20+DZ

substitute the values

\frac{30}{25}=\frac{20+DZ}{20}

20\frac{30}{25}={20+DZ}

24={20+DZ}

DZ=4\ units

5 0
3 years ago
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