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BigorU [14]
3 years ago
11

30 POINTS PLEASE HELP!ASAP

Mathematics
2 answers:
AysviL [449]3 years ago
8 0

Answer:

B

Step-by-step explanation:

To divide by a fraction, multiply by the reciprocal:

(3/4) / (1/8)

(3/4) * (8/1)

Answer B.

777dan777 [17]3 years ago
6 0

To find the quotient 3/4 divided by 1/8

B) multiply 3/4 by 8!

I hope this helps you! ☺

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Leokris [45]
If your trying to figure out (x) then the answer would be 7 because 7 times 2 is 14 and then 14 minus 3 would be 11
5 0
3 years ago
What are the coordinates of the points (2,-3) after a counter clockwise rotation of 90 about the Origin?
Ber [7]

Step-by-step explanation:

(2, -3) is in the 4th quadrant. By the counter clockwise rotation of 90° around the origin, it will be in the 1st quadrant.

Any point in the 1st quadrant has both positive x and y coordinates.

So the answer is (3, 2).

4 0
3 years ago
The half life of a radioactive substance is the time it takes for a quantity of the substance to decay to half of the initial am
Veronika [31]

Using an exponential function, it is found that:

a) N(t) = 75(0.5)^{\frac{t}{3.8}}

b) 37.5 grams of the gas remains after 3.8 days.

c) The amount remaining will be of 10 grams after approximately 11 days.

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

Item a:

We start with 75 grams, and then work with a half-life of 3.8 days, hence the amount after t daus is given by:

N(t) = 75(0.5)^{\frac{t}{3.8}}

Item b:

This is N when t = 3.8, hence:

N(t) = 75(0.5)^{\frac{3.8}{3.8}} = 37.5

37.5 grams of the gas remains after 3.8 days.

Item c:

This is t for which N(t) = 10, hence:

N(t) = 75(0.5)^{\frac{t}{3.8}}

10 = 75(0.5)^{\frac{t}{3.8}}

(0.5)^{\frac{t}{3.8}} = \frac{10}{75}

\log{(0.5)^{\frac{t}{3.8}}} = \log{\frac{10}{75}}

\frac{t}{3.8}\log{0.5} = \log{\frac{10}{75}}

t = 3.8\frac{\log{\frac{10}{75}}}{\log{0.5}}

t \approx 11

The amount remaining will be of 10 grams after approximately 11 days.

More can be learned about exponential functions at brainly.com/question/25537936

4 0
2 years ago
The length of a rectangle is 24 units.can the preimteter p of the rectangle be 60 units when it’s width w is 11 units?
Alenkinab [10]
No it can’t because calculating the perimeter, you would have to add all sides of the rectangle. If you added 11 + 11 + 24 +24, the perimeter would be 70 not 60.
8 0
3 years ago
What is , Pd?<br> 24<br> 4<br> 1<br> 16
lutik1710 [3]
The answer is 24 the first choice
5 0
2 years ago
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