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AlladinOne [14]
2 years ago
5

Please answer QUICKLY!!!

Mathematics
1 answer:
sergiy2304 [10]2 years ago
8 0

Answer:

the range is {7,5,1}

Step-by-step explanation:

To find the range, just plug in the domain into the function.

f(-1) = -2(-1) + 5 = 7

f (0) = -2(0) + 5 = 5

f(2) = -2(2) + 5 = 1

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Help please.
FrozenT [24]

Answer:

B think

Step-by-step explanation:

4 0
3 years ago
Write out the mathematical equation for density.
Sauron [17]

Hello there. Thank you for your question here on brainly.

The answer is: the mathematical equation for density is g/cm³.

I hope this helped you, and have an awesome day. :)

8 0
3 years ago
There are 2 Senators from each of 50 states. We wish to make a 3-Senator committee in which no two members are from the same sta
Morgarella [4.7K]

Answer:

a) rCn = 1176

b) 2352

Step-by-step explanation:

a)Each committee should be formed with 3 members ( no two members could be of the same state) then

Let´s  fix a senator for any of the 50 states so in the new condition we need to combined 49 senators in groups of 2 then

rCn =  n! / (n - r )! *r!

rCn =  49!/ (49 - 2)!*2!

rCn =  49*48*47! / 47!*2!

rCn = 49*48 /2

rCn = 1176

So we can choose in 1176 different ways a senator for a given state

b) To answer this question we have to note, that, 1176 is the number of ways a committee can be formed with senators of different sate (taking just one senator for state ) if we have 2 senators we need to multiply that figure by 2.

1176*2 = 2352

6 0
3 years ago
At a restaurant, when a customer buys 4 pretzels , the fifth pretzel is free. Soft pretzels cost $3.90 each. You order 12 soft p
lesya692 [45]

Answer: ($3.90)(12) - (2)($3.90) = 39.00

39.00/12 = 3.25 per pretzel

5 0
3 years ago
R = x^2/y work out the value of r
swat32

Answer:

r=244745.8 (approximately)

Step-by-step explanation:

r=x²/y

ry-x²=0

r(59000)-(380000)²=0

r=380000²/59000

r=144400000/59

r=244745.8 (approximately)

8 0
2 years ago
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