2 years ago

Eight less than four times a number is less than 56. What are the possible values of that number?

Mathematics

1 answer:

zmey [24]2 years ago

3 0

Answer:

Step-by-step explanation:

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A new crew of painters takes two times as long as the old painters. Together they can paint in 6 hours. How many hours does it t

babymother [125]

Let n be old painters time. Then the new painters are 2n. So:
1/n+1/2n=1/6
2+1=2n/6
2n=18
n=9
The old painters take 9 hours; the new ones take 18
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2 years ago

Chaz's new game room is shaped like a cube. It measures 15 feet across. If he wants to paint only the walls of the room, what is

dezoksy [38]

The surface area of the region he will paint is 900 sq.ft.

Step-by-step explanation:

Cubical room measures - 15 ft

Chaz want to paint only the walls of room

Surface of painting region means Lateral surface area (excluding top and bottom)

Lateral surface area of cube = $4a^2$

⇒ 4 * 15 *15

⇒ 900 sq.ft

The surface area of the region he will paint is 900 sq.ft.

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2 years ago

What is 40(33-11)2^2

Inga [223]

Answer:

3520

Step-by-step explanation:

33-11=22

40 times 22=880

880 times 4=3520

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2 years ago

Alison has three dogs but only two dog biscuits how can she divide them so that each dog get the same amount?

Lera25 [3.4K]

Each dog can get 2/3 of a dog biscuit.

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2 years ago

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Sas Asa These triangles cannot be proven congruent Help please

AlekseyPX

AAS rule can prove these triangles are congruent cuz u see two angles are marked as equal to each other but the side that’s overlapped on each other(the line the triangles are sharing) shows that the side is equal length to each other.

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2 years ago