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olga2289 [7]
3 years ago
6

Find the constant of variation (k) for the inverse variation. Then write an equation for the inverse situation.

Mathematics
2 answers:
notka56 [123]3 years ago
7 0

y = k/x

5 =k/7.5

k = 7.5/*5= 37.5

 answer is D

Harrizon [31]3 years ago
6 0

answer is D

Step-by-step explanation:

y = k/x


5 =k/7.5


k = 7.5/*5= 37.5


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Ryan measure the perimeter of his square painting so he can make a wooden frame . find the perimeter of the painting in centimet
egoroff_w [7]

Answer:

Perimeter = 122 cm or 1.22 m

Step-by-step explanation:

The complete question with image is attached.

We know the perimeter is the sum of all the sides.

Since it's already given that one side is 30.5 and we know it is a square, so perimeter would be sum of all the 4 sides [each 30.5 cm].

Perimeter = 30.5 + 30.5 + 30.5 + 30.5 = 122 cm

Also, to get the answer in meters, we need to know that 100 cm = 1 m, hence

We got to divide by 100 to get our answer in meters, so

122/100 = 1.22 meters

Hence

Perimeter = 1.22 m

6 0
3 years ago
Which expression gives the solutions -5x+2x^2=-6x?(1pt)
irina [24]
This is the concept of algebra, the solution of the given expression will be given as follows;
-5x+2x²=-6x
adding 5x on both sides we get
5x-5x+2x²=-6x+5x
2x²=-x
divide both sides by 2
(2x²)/2=-x/2
x²=-x/2
divide both sides by x
(x²)/x=-x/(2x)
x=-1/2
the answer is x=-1/2
8 0
3 years ago
On Pennsylvania's interstate highway the speed limit is 65 mph. The minimum speed is 45 mph. Write a compound inequality that re
qaws [65]

Let x be the speed.

Maximum is 65 so x needs to be less than or equal to 65.

The minimum is 45, so x also has to be greater than or equal to 45

45 <= x => 65

6 0
3 years ago
Pls help 50 points
Ostrovityanka [42]

Answer:

  • 24 in²

Step-by-step explanation:

<u>Given:</u>

  • w = 3√2 in
  • l = 4√2 in

<u>Area is:</u>

  • A = wl
  • A = 3√2*4√2 = 12*2 = 24 in²
6 0
3 years ago
Read 2 more answers
14 = 31.7 – 3x What is the solution
netineya [11]
14 = 31.7 - 3x
-17.7 = -3x
x = 5.9


4 0
3 years ago
Read 2 more answers
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