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Leno4ka [110]
3 years ago
6

Plz Heeeeelp! 25 POINTS! I'm so desperate I made two of these worth 25 points!

Mathematics
2 answers:
vekshin13 years ago
8 0

Answer:

The answer is B, f(x)=5(2/5)^(z)

Step-by-step explanation:

I did the graphs for all of them and graph B was identical to the one in the picture.

alexandr1967 [171]3 years ago
6 0

Answer:

  (b)  f(x) = 5(2/5)^x

Step-by-step explanation:

All of the offered choices agree that the multiplier of the exponential factor is 5. When x=1, the exponential factor must have a value of 2/5 in order to make the function value be 2 at that point.

That is, ...

  f(1) = 5(2/5)^1 = 5(2/5) = 2

You can get there either by using x=1 in each of the offered answer choices, or by observing that the ratio between f(1) and f(0) is 2/5.

  f(x) = 5(2/5)^x

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Answer:

3. <0, <BOA, <ABO

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5 0
3 years ago
Which power does this expression simplify to?<br> [(7)(7)<br> 1<br> - -<br> ооо<br> 74<br> O
Paha777 [63]

Step-by-step explanation:

Answer is in attached image...

hope it helps

6 0
3 years ago
1) Convert the following to decimals:<br> a) 25% b) 60% c) 72.1%<br> d) 7%<br> e) 9.5%<br> f).66%
KIM [24]

25% = 25% : 100% = 0,25 ← the end

60% = 60% : 100% = 0,6 ← the end

72,1% = 72,1% : 100% = 0,721 ← the end

7% = 7% : 100% = 0,07 ← the end

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5 0
3 years ago
When subtracting 537-443 why is there no digit in hundreds place?
jeyben [28]

Answer:

Because The Answer Is A 2digit Number=94

Step-by-step explanation:

537-443=94 Which Is A 2digit Number

6 0
3 years ago
Read 2 more answers
Don works in home construction. He determined that the function t(A)=144a/9.25^2 gives the total number of 9 in. tiles needed to
natima [27]

Answer:

t(400)=673.

Don required  673 of 9 inch tiles to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

Step-by-step explanation:

Given:

The given function is:

t(A)=\frac{144}{9.25^2}A

Here, A represent the area to be covered, t represent the number of tiles required to cover the given area.

So, if A=400, it means that the area to be covered is 400 square units.

Now, if we find t(400), it means we need to find the number of 9 inch tiles to cover area of 400 units.

So, we plug in 400 for A to evaluate t(400).

t(400)=\frac{144}{9.25^2}\times 400=\frac{144\times 400}{85.5625}=\frac{57600}{85.5625}=673.19\approx673

Therefore, it means that 673 of 9 inch tiles are required to cover an area of 400 square feet, when spacing the tiles a quarter inch apart.

3 0
3 years ago
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