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geniusboy [140]
3 years ago
15

true or false? the domain of the function in the box is the set of all positive real numbers f(x)=(3/4)^x

Mathematics
1 answer:
saul85 [17]3 years ago
3 0
True


...... .




............
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It is a 375-mile drive from San Francisco to Los Angeles. A map scale shows 2 centimeters equaling 10 actual miles. How long is
Arte-miy333 [17]
18.75 centimeters because it’s 37.5 divided by 2
6 0
2 years ago
i need help answering this but also how to do it like step by step. i don’t understand this. (9 + 7x) - 7x
anyanavicka [17]

Answer: 9

Step-by-step explanation: so first you remove the ( ) because they’re useless in this then once you remove then Since two opposites add up to zero, remove them from the expression then you only get left with 9.

7 0
3 years ago
One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large
anzhelika [568]

Answer:

10 cm.

Step-by-step explanation:

We'll begin by calculating the area of the small bubble. This can be obtained as follow:

Radius (r) = 5 cm

Area (A) =?

Since the bubble is circular in nature, we shall use the formula for area of circle to determine the area of the bubble. This is illustrated below:

A = πr²

A = π × 5²

A = 25π cm²

Next, we shall determine the total area of the small bubbles. This can be obtained as follow:

Area of 1 bubble = 25π cm²

Therefore,

Area of 4 bubbles = 4 × 25π cm²

Area of 4 bubbles = 100π cm²

Finally, we shall determine the radius of the large bubble. This can be obtained as follow:

Area of large bubble = total area of small bubbles = 100π cm²

Radius (r) =?

A = πr²

100π = πr²

100 = r²

Take the square root of both side

r = √100

r = 10 cm

Thus, the radius of the large bubble is 10 cm

5 0
2 years ago
50 points if you answer correctly
rewona [7]

Answer:

f(3) =  {3}^{2}  + 5(3) - 9 \\ f(3) = 9 + 15 - 9 \\ f(3) = 15

3 0
3 years ago
Read 2 more answers
5,000 is invested at an interest rate of 8% compounded annually. how much is the investment return after 20 years?​
iren [92.7K]

Step-by-step explanation:

5k×8×20

_______ =800

100

6 0
2 years ago
Read 2 more answers
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