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4 years ago

Does a point and a linehave any dimensions to measure

Mathematics

2 answers:

Alekssandra [29.7K]4 years ago

8 0

the answer is yes :)

poizon [28]4 years ago

6 0

Hello!

A line is one dimensional. This means it has one dimension, it's length. Therefore, you could measure the length of a line.

I hope this helps!

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Sodium-24 has a half-life of 15 hours. how many grams of a 900 g sample will remain after 90 hours

raketka [301]

Answer: Option 'B' is correct.

Step-by-step explanation:

Let the initial concentration be

$N_0=900\ g$

Let concentration after t= 90 hours be N

Since we have given that Sodium-24 has a half life of 15 hours i.e.

$t_{\frac{1}{2}}=15$

So, According to question,

$\text{ Number of half lives }=\frac{t}{t_{\frac{1}{2}}}\\\\\text{ Number of half lives }=\frac{90}{15}\\\\\text{ Number of half lives }=6$

As we know that

$\frac{N}{N_0}=(\frac{1}{2})^n\\\\N=N_0\times (\frac{1}{2})^n\\\\N=900\times (\frac{1}{2})^6\\\\N=\frac{900}{64}\\\\N=14.0625\ g$

Hence, Option 'B' is correct.

4 0

4 years ago

What is the least common multiple of X and Y? X=2*2*2*2 Y=2*2*2*3

Ira Lisetskai [31]

$\text{lcm}(x,y)=2^4\cdot3=48$

4 0

3 years ago

Read 2 more answers

How are the functions y=x and y=x-3 related? How are their graphs related? (7 pa

quester [9]

Answer:

Each output for the second function $y_2=x-3$ is 3 less than the corresponding output for the first function $y_1=x.$

The graph of the function $y_2=x-3$ is the graph of the function $y_1=x$ translated down 3 units.

Step-by-step explanation:

Given:

Function $y_1=x$

Function $y_2=x-3$

Find: How are the functions related? How are their graphs related?

Substitute $x=y_1$ into the second function:

$y_2=y_1-3$

This means that each output for the second function $y_2=x-3$ is 3 less than the corresponding output for the first function $y_1=x.$

The graph of the function $y_2=x-3$ is the graph of the function $y_1=x$ translated down 3 units.

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4 years ago

Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. what z-val

anzhelika [568]

Number of dinners = 125
Individual portion = 6 oz.
Size of can = 32 oz.

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3 years ago

A spinner rotates 405 times in 5 minutes. How many spins per minute?

iren2701 [21]

Answer:

Step-by-step explanation:

divide 405 by 5 to get the number of rotations per minute.

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4 years ago

Read 2 more answers