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Andre45 [30]
1 year ago
12

If Sabrina has seven letters, with no repeats, how many possible arrangements are there with the seven letters.

Mathematics
1 answer:
MissTica1 year ago
3 0

Answer:

5040

Step-by-step explanation:

There are 7 possibilities for the first spot, 6 for the second, etc.

7*6*5*4*3*2*1=5040

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How do you go about doing this surface area problem?
hammer [34]
Break it down into 2-Dimensional shapes. Then add the areas together.

From the picture you can see;
front & back rectangles are 2*(4 x 8) = 64 m²
2 side rectangles are 2*(4 x 12) = 56 m²
2 triangular front & back pieces are (1/2)*8*3 = 12 m²
2 roof rectangles are 2*(5 x 12) = 120 m²

total Surface area = 64 m² + 56 m² + 12 m² + 120 m²
= 252 m²

For the volume; break it up into 3-dimenssional shapes and add the volumes together.

From the picture you can see;
Rectangular box volume is 4 x 8 x 12 = 384 m³
Triangular roof volume is area of front triangle multiplied through the length. (1/2)*8*3* 12 = 144 m³

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5 0
3 years ago
Butter comes four sticks to a pack. how many sticks of butter are in eight packs?
miskamm [114]
32 sticks in 8 packs. 8x4.
7 0
2 years ago
Read 2 more answers
Jacob strode up 24 steps in 12 seconds to reach his apartment on the second floor. How many steps did he climb in 9.5 seconds?
shutvik [7]

Answer:

He climbed 19 steps

Step-by-step explanation:

Let steps climbed in 9.5 seconds = z

If           24 steps = 12 seconds

then:       z            = 9.5 seconds

Using criss cross method

24  x 9.5 = 12 x z

228 = 12 z

z = 228/12

z = 19 steps

3 0
3 years ago
I will get my points but answer it correctly and no LINKS!!! (factotise by using a suitable identity X5-X) ​
9966 [12]

x(x-1)(x+1)(x²+1)=0

Hope it helps you

6 0
3 years ago
Sylvia read that the height of the Empire State Building is 443.2 m and wants to build a scale model of the building in her room
muminat

Answer:

Scale of 181: 1

Step-by-step explanation:

The first thing to do is to pass the feet by the meter, to work in the same units and thus create a consistent scale:

We know that one foot equals 0.3048 meters, therefore:

8 feet * 0.3048 meters / 1 foot = 2.4384 meters

So the scale would be:

443.2 / 2.4384 = 181.75

Which means that it is best to make a scale of 181: 1

Where 181 meters from the Empire State Building would equal 1 meter at home 0 181 inches would equal 1 inch at home

5 0
3 years ago
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