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3 years ago

Ok so umm last question for tonight i hope but um please help

Mathematics

2 answers:

Rudik [331]3 years ago

8 0

Answer:

fish 8

snails 11

Step-by-step explanation:

Brainliest

amid [387]3 years ago

5 0

Answer:

fish=3,5,15

snails=1,4,4

Step-by-step explanation:

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A series of three? separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers. Each

Nadya [2.5K]

Answer:

$312.5\pi \text{ km}^3\approx 981.75\text{ km}^3$

Step-by-step explanation:

We have been given that a series of 3 separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers.

Each of the three tunnels is shaped like a half-cylinder with a radius of 5 meters.

Since we know that volume of a semicircular or a half cylinder is half the volume of a circular cylinder.

$\text{Volume of a semicircular cylinder}=\frac{\pi r^2h}{2}$ , where,

r = Radius of cylinder,

h = height of the cylinder.

Upon substituting our given values in volume formula we will get,

$\text{Volume of a semicircular cylinder}=\frac{\pi (5\text{ km})^2*25\text{ km}}{2}$

$\text{Volume of a semicircular cylinder}=\frac{\pi*25\text{ km}^2*25\text{ km}}{2}$

$\text{Volume of a semicircular cylinder}=\frac{\pi*625\text{ km}^3}{2}$

$\text{Volume of a semicircular cylinder}=\pi*312.5\text{ km}^3$

$\text{Volume of a semicircular cylinder}=981.74770\text{ km}^3$

Therefore, the volume of earth removed to build the three tunnels is $312.5\pi \text{ km}^3\approx 981.75\text{ km}^3$ .

4 0

3 years ago

Simplify. 54+4(34−12)2 Enter your answer in the box.

gtnhenbr [62]

Answer:

230

Step-by-step explanation:

54+4×22×2

54+88×2

54+176

230

3 0

3 years ago

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Please help its due soon its geometry

Anastasy [175]

Answer:

7, 7, 60, 60, 60

Step-by-step explanation:

When you draw the circles thhey all hhave radius AB so AB=AC=BC =7

and since all sides are congruent you have a equilateral treangle so all angles are equal to 180/3=60

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3 years ago

two numbered cubes are rolled then a spinner with 4 different colors on it spun twice then two coins are flipped how many total

vampirchik [111]

Answer: 12 possible outcomes in total

Step-by-step explanation:

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2 years ago

PLEASE HELP 2n-200 but n = 150

hram777 [196]

Answer:

Just plug in where n is= 150 then solve the answer is 100

Step-by-step explanation:

2(150)-200

7 0

3 years ago

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