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patriot [66]
3 years ago
15

What is the value of q in equation √4q-2=√3q+8

Mathematics
1 answer:
Dmitry [639]3 years ago
6 0

Answer:

  q = 10

Step-by-step explanation:

As your equation is written, the radical sign only appies to 4 or 3, so you have ...

  (√4)q -2 = (√3)q +8

  (2 -√3)q = 10 . . . . . . . . . . . . . . . add 2-(√3)q

  q = 10/(2 -√3) ≈ 37.3205... . . . . (an irrational number)

___

We suspect you intend

  √(4q -2) = √(3q +8) . . . . . . . <em>parentheses are required</em> for grouping

Square both sides, then add 2-3q.

  4q -2 = 3q +8

  q = 10

The value of q in the equation √(4q-2) = √(3q+8) is 10.

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A college bookstore charges $60 for a yearly membership. The first book is free with membership and any book after that costs $7
brilliants [131]

Answer:

The equation representing Total money spend being as a member is m = 60+7.6(b-1)

Step-by-step explanation:

Given:

Memberships charges = $60

Cost of 1 book = $7.60

Let number of books be 'b'.

We need to find Total money 'm' spend yearly on buying books after becoming member.

Now we know that 1 book is free for a member.

Total money spend 'm' will be equal to Sum Memberships charges  and Cost of 1 book multiplied by number of books bought yearly minus 1.

Framing in equation form we get;

m = 60+7.6(b-1)

Hence The equation representing Total money spend being as a member is m = 60+7.6(b-1)

5 0
3 years ago
Aidan has 20 ft of fence with which to build a rectangular dog run. What is the maximum area he can enclose? Enter your answer i
irina1246 [14]
<h2>Maximum area is 25 m²</h2>

Explanation:

Let L be the length and W be the width.

Aidan has 20 ft of fence with which to build a rectangular dog run.

         Fencing = 2L + 2W  = 20 ft

                     L + W = 10

                      W = 10 - L

We need to find what is the largest area that can be enclosed.

     Area = Length x Width

      A = LW

       A = L x (10-L) = 10 L - L²

For maximum area differential is zero

So we have

      dA = 0

      10 - 2 L = 0

        L = 5 m

      W = 10 - 5 = 5 m

Area = 5 x 5 = 25 m²

Maximum area is 25 m²

7 0
3 years ago
What is the answer to 9÷2/3
Karo-lina-s [1.5K]

Answer:

27/2

Step-by-step explanation:

9 : 2/3 =

9 * 3/2 =

(3*9=27)

27/2 Is your answer



6 0
3 years ago
Read 2 more answers
List the first 5 multiples, and find ALL the factors of 13
kvasek [131]

Answer:


13,26,39,52,65,78 are the multiples 13 and 1 are the all of the factors


7 0
3 years ago
Read 2 more answers
Maria goes to Applebee's with her 2 friends. They each order an entrée, which costs $15 each, and a soda, which costs $3.50 each
Leona [35]

Answer:

Part A: The total is 57.58

Part B: 19.19 each

Step-by-step explanation:

Part A: 15(3) +3.50(3)=55.50

55.50 plus the 3.75% tip (not really addition i dont know how to find a percentage so i looked that part up) but it come out to $57.58

Part B: 57.58 divided by 3 is $19.19 ( I do 3 because Maria and 2 more friends)

Hope it helps and that it is 100% correct dont come at me if something is wrong with my math

6 0
3 years ago
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