Pick a number from 1 to 10

Mathematics

2 answers:

Natali [406]3 years ago

5 0

7 i believe it is 7 l hahaha

BlackZzzverrR [31]3 years ago

3 0

Answer:

Step-by-step explanation:

im not sure how to solve that sorry

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How do I do this? <br><br> help!!

kakasveta [241]

Answer:

...

Step-by-step explanation:

7 0

3 years ago

What is the height of a tringle whose area is 4 square meters and whose base is 2 1/2 meters

aleksandr82 [10.1K]

4*2=8. 8/2.5=3.2. The height is 3.2 meters.

4 0

3 years ago

A gallery has 25 paintings in its permanent collection, with display space for 10 at one time. How many different collections ca

Anastaziya [24]

You need to know in how many ways you can choose 10 out of 25 items when order does not matter. This is a combination problem.

$_{n}C_{r} = \dfrac{n!}{(n - r)!r!}$

$_{25}C_{10} = \dfrac{25!}{(25 - 10)!10!}$

$_{25}C_{10} = \dfrac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18 \times 17 \times 16 \times 15!}{15! \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}$

$_{25}C_{10} = \dfrac{25 \times 24 \times 23 \times 22 \times 21 
\times 20 \times 19 \times 18 \times 17 \times 16}{10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 
\times 2 \times 1}$

$_{25}C_{10} = \dfrac{23 \times 11 \times 20 \times 19 \times 2 \times 17}{1}$

$_{25}C_{10} = 23 \times 11 \times 20 \times 19 \times 2 \times 17$

$_{25}C_{10} = 3,268,760$

6 0

4 years ago

Read 2 more answers

What is the roasting time for a<br> 12-pound turkey?

NeX [460]

The roasting time for a 12 pound turkey is 3 hours

5 0

2 years ago

(52) Pleaase check ym answer

Alinara [238K]

X = measure of each of the legs
"perimeter is 8 more than 2 times one of the legs" ---> P = 2x+8
P = 28 is the given perimeter

So,
P = 2x+8
28 = 2x+8
2x+8 = 28
2x = 20
x = 10

If x = 10, then the two legs add up to x+x = 10+10 = 20
Leaving P-20 = 28-20 = 8 inches left over for the base

You have the correct answer (choice D, 8 inches) though your steps are a bit confusing at some parts. Such as the part where you wrote 2x = 10 twice. I think I know what you were trying to say.

4 0

3 years ago