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4 years ago

What times what equals 3.75

Mathematics

1 answer:

Galina-37 [17]4 years ago

7 0

Answer:

1\times 28=28\\2\times 14=28\\4\times 7=28

Step-by-step explanation: To obtain number 28, we will find the factors of this number.

Factors of this number are: 1, 2, 4, 7, 14, 28

From the given factors, we can find the combinations which will givs us the product as 28

We are asked to find the multiplication ( times) of two number that will yield a number 28. So, the combinations will be

1\times 28=28\\2\times 14=28\\4\times 7=28

Step-by-step explanation:

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adelina 88 [10]

Answer:

Step-by-step explanation:

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4 years ago

A square pyramid has side lengths each measuring 8 centimeters. The height of the pyramid is 3 centimeters,

tino4ka555 [31]

You answer would be 80 cm^2

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3 years ago

Assume you have such a watch. if a minimum of 18.0% of the original tritium is needed to read the dial in dark places, for how m

laila [671]

Given that the half life of 3H is 12.3 years.

The amount of substance left of a radioactive substance with half life of $t_{ \frac{1}{2} }$ after t years is given by

$N(t)=N_0\left(\frac{1}{2} \right)^{ \frac{t}{t_{\frac{1}{2}} }$

Therefore, the number of years it will take for 18% of the original tritinum to remain is given by

$18 \% = 100 \% \left(\frac{1}{2} \right)^{ \frac{t}{12.3}} \\ \\ \Rightarrow\left(\frac{1}{2} \right)^{ \frac{t}{12.3}} =0.18 \\ \\ \Rightarrow\frac{t}{12.3}\ln\left(\frac{1}{2} \right)=\ln0.18 \\ \\ \Rightarrow\frac{t}{12.3}= \frac{\ln0.18}{\ln\left(\frac{1}{2} \right)} = \frac{-1.715}{-0.6931} =2.474\\ \\ \Rightarrow t=2.474(12.3)=30.4$

Therefore, the number of <span>years that the time could be read at night is 30.4 years.</span>

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3 years ago

A= 1 2 3 4 5 is the solution of a set of the variable equation<br> 3x=15

Harrizon [31]

Answer:

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3 years ago

Shawn is coasting down a 500 \text{ cm}500 cm500, space, c, m long ramp on his inline skates. The wheels on his inline skates ar

Nata [24]

Answer: 16 rotations

Step-by-step explanation:

Given : Shawn is coasting down a 500 cm long ramp on his inline skates. The wheels on his inline skates are 32 cm in circumference.

Length of ramp = 500 cm

Circumference of wheels = 32 cm

Formula :

Number of rotations = Length of ramp divided by Circumference of wheels

= 500 cm ÷ 32 cm

= 15.625 ≈ 16 [approx]

Therefore, each wheel makes 16 rotations while Shawn is coasting down the ramp.

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4 years ago