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3 years ago

What's 0.4 in a fraction in the simplest form?

Mathematics

2 answers:

bezimeni [28]3 years ago

5 0

$0.4=\frac{4}{10}=\frac{4:2}{10:2}=\boxed{\frac{2}{5}}$

-BARSIC- [3]3 years ago

5 0

Using the place value chart, we can see that the decimal 0.4 is four tenths, so we can write 0.4 as the fraction $\frac{4}{10}$ . Notice however that the fraction is not in lowest terms. We will need to divide the numerator and the denominator by the greatest common factor of 4 and 10 which is 2. Therefore, 0.4 can be written as the fraction $\frac{2}{5}$ , which is in lowest terms.

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Classify the following triangle.

hichkok12 [17]

Answer:

right angle. little box in the corner tells you its a right angle

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3 years ago

1/2(5x-6)-1/3(9x-15)+1

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1/2(5x-6)-1/3(9x-5)+1

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3 years ago

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as of a certain date there has been a total of 18072 performances of two show on broadway with 2892 more performances of show A

Nataly_w [17]

Answer:
A = 10,482
B = 7,590

Explanation:

If A is the number of times show A was performed, and B is the number of times show B was performed:

We know that A + B = 18072
And we know A = B + 2892

So we’ll substitute the expression (B + 2892) for A in the first equation and solve for a numerical value of B:

A + B = 18072
B + 2892 + B = 18072
2B + 2892 = 18072
2B = 15,180
B = 7,590

A = B + 2892
A = 7590 + 2892
A = 10,482

Check the math
A + B = 18072
10,482 + 7,590 = 18,072

Let me know if you have questions

3 0

3 years ago

The number of nuts in a can of mixed nuts is found to be normally distributed, with a mean of 500 nuts and a standard deviation

timofeeve [1]

Answer:

z = -2.85

Step-by-step explanation:

Since the number of nuts per can is normally distributed:

Mean number of nuts (μ)= 500 nuts

Standard Deviation (σ)= 20 nuts

X = 443 nuts

For any given number of nuts X, the z-score is given by:

$z=\frac{X-\mu}{\sigma} =\frac{443-500}{20}\\z= -2.85$

The z-score for this can of nuts with 443 nuts is -2.85.

3 0

3 years ago

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Given g(x)=sqrt x-4 and h(x)=2x-8 what is (g(h(10)) HELP ME I AM .3 POINTS AWAY FROM PASSING.

Whitepunk [10]

The answer (g(x))=x−7

g(f(x))=√x2−7

Explanation:

Put g inside f to find f(g(x))

f(x)=x2−4

g(x)=√x−3

f(g(x))=(√x−3)2−4

f(g(x))=x−3−4

f(g(x))=x−7

Put f inside g to find g(f(x))

g(x)=√x−3

f(x)=x2−4

g(f(x))=√x2−4−3

g(f(x))=√x2−7:

The answers are f(g(x))=x−7
and g(f(x))=√x2−7

Explanation:

This is a composition of functions.

f(x)=x2−4

g(x)=√x−3

fog(x)=f(g(x))=f(√x−3)=(√x−3)2−4

=x−3−4=x−7

And

gof(x)=g(f(x))=g(x2−4)=√(x2−4)−3

=√x2−4−3=√x2−7

You can see that

f(g(x))≠g(f(x))

7 0

4 years ago

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