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4 years ago

Of the town's 42 firefighters, 16 volunteered for the special rescue team. Express the portion who did not volunteer.

1 answer:

8 0

42 firefighters in total.

16 volunteered for the special rescue team.

n + 16 = 42

or it could be this way:

42 - 16 = n

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The square of the sum of 7 times x and 3 divided by 4 times the difference of x and 1

4vir4ik [10]

I believe the 3rd answer down if the information you provided is correct

Squaring the sum on the top, rules out 1 and 2 (not squaring the 7 only)
then 4 times the difference. so I believe 4 (x-1) on the bottom.

4 0

3 years ago

Read 2 more answers

If x = (7+4√3), then the value of x^2 + 1/x^2 is

Blizzard [7]

Answer:

194.

Step-by-step explanation:

x = (7+4√3)

x^2 = x = (7+4√3)^2

= 49 + 48 + 56√3

= 97 + 56√3

x^2 + 1/x^2 = 97 + 56√3 + 1/(97 + 56√3)

= 194.

5 0

3 years ago

Kinda need some help

aksik [14]

Answer:

1) x=10

2) x=6

3) x=13

Step-by-step explanation:

1) 15x-17+4x+7=180

19x-10=180

19x=190

x=10

2) 13x+5=16x-13

5+13=16x-13x

18=3x

x=6

3) 9x+7=11x-19

7+19=11x-9x

26=2x

x=13

6 0

3 years ago

Extended rotation rules

Westkost [7]

Ehjaklopiuftdhsabmzcbs

8 0

3 years ago

Read 2 more answers

Geometry please help asap!

m_a_m_a [10]

Step-by-step explanation:

AB = 3

by similaritiy criterion

CE/ CB= ED/AB

4/6= 2/AB

AB = 3

plz mark my answer as brainlist plzzzz also vote me ..if you find it useful.

6 0

3 years ago