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AleksandrR [38]
2 years ago
13

1. is this a function 7 8 2 9 3 10​

Mathematics
1 answer:
kow [346]2 years ago
7 0
I need a lil more information
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A – If P(n,4) = 20 × P(n,2), determine the value of n.
Kaylis [27]

Answer:

P(n,4)÷P(n,2)

= (n-2)(n-3)

20 = 4 × 5 (two consecutive numbers)

(n-2)(n-3)=5×4

n-2=5

n=7

4 0
3 years ago
For every team competing in a robotics competition, there are 4 students. How many students are on 3 teams?
givi [52]

Answer:

<em>There are 12 students.</em>

Step-by-step explanation:

This is because there are 4 students per team, and there is 3 teams.

So...

3 * 4 = 12 students

8 0
3 years ago
Translate the equation using a variable.<br> "Nineteen less than one-half of a number is -13."
Illusion [34]

Answer:

1/2a-19=-13

Step-by-step explanation:

One half of a number represents the phrase "1/2a" (in this case the variable/number is 'a'". Then because it says "nineteen less than", that means you subtract 19 from one half of the variable.

3 0
3 years ago
Read 2 more answers
PLEASE HURRY!!! AB = 20 cm, m∠A = 30° , and $m∠C = 45° . Express the number of centimeters in the length of BC in simplest radic
MrRissso [65]
Using the Sine Rule:-

20 /sin 45 =  BC / sin 30

BC = 20 sin 30 / sin45

  = 20 * 1/2  /  1 / sqrt2
  = 20 * 1/2 * sqrt2
=  10 sqrt2   answer
3 0
3 years ago
Just give answers I don't care the explaining just give me the answers I don't want to explain because I'm Savage just give answ
timama [110]
3.)9 10/11
5.)11 6/15
7.)11 5/6
9.)9 7/8
4 0
3 years ago
Read 2 more answers
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