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2 years ago

Help me to the this question

Mathematics

1 answer:

lions [1.4K]2 years ago

8 0

Across

1 compass

2 shape

4 two pi to one

6 Pie x radius squared

8. arc

10 Point

11 radius

12 circumference

down

1 Chord

4major arc

5 Radii

7 degrees

9.circle

13 equidistant

hope this helps

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Solve the following equation system by graphing X-Y=4 X+Y=2 What is the solution?

AfilCa [17]

X-Y=4,
X+Y=2
-------------add
2x = 6
x = 3

X - Y =4
3 - Y = 4
Y = 3 - 4
Y = -1

solution (3 , -1)

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3 years ago

I need help on number 18

zloy xaker [14]

Answer:

Volume = 35185.8 $km^{3}$

Step-by-step explanation:

Recall the formula for the volume of a cone: $Volume = \pi R^{2} \frac{h}{3}$

Where R is the radius of the cone's circular base (in your case half of 80 km,(that is 40 km)

And h stands for the height of the cone (in your case 21 km)

We replace such in the formula and calculate its final value:

$Volume = \pi 40^{2} \frac{21}{3} = \pi 1600 \frac{21}{3} = \pi 1600 (7) = 35185.83772...$

We round it to the number of decimals your problem request (let's say to one decimal) and also include the cubic units:

Volume = 35185.8 $km^{3}$

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3 years ago

Simply Each Expression

vitfil [10]

Answer:

$\frac{4}{9x^2}$

Step-by-step explanation:

$(\frac{2x^3}{3x^4} )^2$

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3 years ago

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Sindrei [870]

Answer:

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Step-by-step explanation:

From 2 p.m. to 6 p.m. 4 hours passed, so the truck and the motorcycle were on the road for 4 hours until they met.

Motorcycle in 4 hours at a constant speed of 45 mph travelled

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The distance between the motorcycle and the truck is 348 miles, so the truck travelled

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3 years ago

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$16.68 is the most expensive item you can order with $20.00

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3 years ago

Help me to the this question​

Help me to the this question