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3 years ago

11

I need help my question is -2 less than or equal to 3x-2 <10

1 answer:

Kisachek [45]3 years ago

4 0

A n s w e r:

0 ≤ x < 4

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Ramon plays a game which his older sister he first gains 5 points then loses 8 points and finally gains 10 points what is his fi

vladimir1956 [14]

Answer:

7 points

Step-by-step explanation:

started out w/ 5 points, then loses 8

5 - 8 = -3

gains 10 points

-3 + 10 = 7

3 0

2 years ago

A space telescope on a mountaintop is housed inside of a cylindrical building with a hemispheric dome. If the circumference of t

Vlad1618 [11]

Answer:

$185553.7\text{ feet}^3$

Step-by-step explanation:

GIVEN: A space telescope on a mountaintop is housed inside of a cylindrical building with a hemispheric dome. If the circumference of the dome is $84\text{ feet}$ , and the total height of the building up to the top of the dome is $91\text{ feet}$ .

TO FIND: what is the approximate total volume of the building.

SOLUTION:

let the height of the mountaintop be $h\text{ feet}$

As the dome hemispherical.

circumference of a hemisphere $=\frac{1}{2}\times2\pi\times radius$

$=\pi\times radius$

$\frac{22}{7}\times radius=84$

$radius=26.75\text{ feet}$

total height of the building up to the top of the dome $=\text{radius of hemisphere}+\text{height of mountaintop}$

$=26.75+h=91$

$h=64.25\text{ feet}$

Volume of building $=\text{volume of cylindrical mountaintop}+\text{volume of dome}$

$=\pi(radius)^2h+\frac{2}{3}\pi(radius)^3$

as radius of mountain top is same as dome

putting values

$=3.14(26.75)^264.75+\frac{2}{3}3.14(26.75)^3$

$=145484.6+40069.1$

$185553.7\text{ feet}^3$

Hence the total volume of the building is $185553.7\text{ feet}^3$

5 0

3 years ago

Please help me I really need help with this

Kobotan [32]

Answer: B, Each of the sums is 180 degrees.

Step-by-step explanation:

Since a 180 degree angle is always a flat line, and that is the case for this,

Each of the sums is 180 degrees.

6 0

3 years ago

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An organization will give a prize to a local artist. The artist will be randomly chosen from among 7 painters, 4 sculptors, and

Usimov [2.4K]

The probability would be 12/16 or 75%.
Hope this helps!

8 0

2 years ago

The choices are

gayaneshka [121]

Answer:

Perimeter = (lenght×2) + (width×2)

Perimeter = (2.5n×2) + (2×(4n+5))

Perimeter = 5n + 8n + 10

Perimeter = 13n + 10

The Answer is D

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3 years ago

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