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Contact [7]
2 years ago
10

If x is directly proportional to to y and x= 200 and y=3 find x when y=5​

Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
3 0

Answer:

333.33

Step-by-step explanation:

x is directly proportional to y

k=y/x

k=3/200

now,

when y =5

y=kx

5=(3/200)x

1000/3=x

333.33 = x

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B) y = log2 (4" - 4)<br> find the inverse of this equation
GuDViN [60]

Answer:

y =  \frac{1}{4}  \times  {2}^{x}  - 1

Step-by-step explanation:

Assuming the given logarithmic equation is

y =   \log_{2}( {4}{x }  - 4)

We interchange x and y to get:

x=   \log_{2}( {4}{y} - 4)

We solve for y now:

{2}^{x}  =  {4}{y}   - 4

We add 4 to both sides to get;

{2}^{x}  + 4 = 4y

Divide through by 4:

y =  \frac{1}{4}  \times  {2}^{x}  - 1

4 0
4 years ago
BRAINLIEST!PLEASE HELP ME
kkurt [141]

-12x - 0.4 > 0.2(36.5x + 80) - 55    Remove the brackets.

-12x - 0.4 > 7.3x + 16 - 55               Combine the like terms on the right

-12x - 0.4 > 7.3x - 39                      Add 12x to both sides

- 0.4 > 7.3x + 12x - 39    

- 0.4 > 19.3x - 39                            Add 39 to both sides.

-0.4 + 39 > 19.3x                              Combine like terms on the left

38.6 > 19.3x                                    Divide by 19.3

38.6 / 19.3 > x

2 > x

6 0
3 years ago
A garden snail moves 1/6 foot in 1/hour. find the speed of the snail in feet per hour
Bess [88]
.167 feet per hour

I hope this helps
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4 years ago
A small dog eats 9 ounces of dog each day. How many pounds is this in one year?
SpyIntel [72]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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I think the answer is 6
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