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trapecia [35]
3 years ago
15

Use long division to write 4/5 as a decimal number 15 points please explain

Mathematics
2 answers:
tatuchka [14]3 years ago
8 0

4/5 in decimal form would be,

0.8

if you have any other questions like this,let me know. I'll help you.

Verizon [17]3 years ago
3 0

Answer:

.8

Step-by-step explanation:

divide 4 by 5 = .8 why? cuz...

To convert a fraction into a decimal, divide the top of the fraction (numerator) by the bottom of the fraction (denominator). In this case, the fraction is 4/5, so divide 4 by 5 . This equals 0.8 .

to make it more simple 4 goes into 5 once so:

1 For the denominator, recognize that 5 x 20 = 100

Multiple = 20

2 Multiply both the numerator and denominator by the multiple 20.

<u>5×20</u>

4×20

​

3 Simplify.

<u>80</u>

100

4 Simplify.

0.8

Im happy to help with these kind of problems :D!

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the square of a certain whole number n is n^2. if 60 is a factor of n^2, it's possible that ? is not a factor of n^2. a)16 b)25
DanielleElmas [232]
If 60 is a factor of n², then √60 is a factor of n. However, n is a whole number, so its factors are whole numbers.

Simplify √60:
\sqrt{60}=\sqrt{4 \times 15}=2\sqrt{15}

If 2√15 is a factor of a whole number n, then √15 must be another factor to make it a whole number.

2\sqrt{15} \times \sqrt{15}=2 \times 15=2 \times 3 \times 5

If 60 is a factor of n², then 2, 3, and 5 must be factors of n. The factors of n² are the squares of the factors of n, so 2, 2, 3, 3, 5, and 5 must be factors of n².

Now, if 2, 2, 3, 3, 5, and 5 are factors of n², then:
* 5×5=25 must also be its factor
* 2×2×3×3=36 must also be its factor
* 2×2×5×5=100 must also be its factor

Only 16 may not be a factor of n². The answer is A.
4 0
3 years ago
If Johnny walks 20 miles a day how many miles what do you walk in one year
Zinaida [17]
He walks 7,300 miles in 1 year
8 0
3 years ago
Read 2 more answers
18 is what percent of 40
marshall27 [118]

Answer:

45%

Step-by-step explanation:

Create a fraction with the of " something " on the denominator and multiply by 100% to create the percentage, that is

percent = \frac{18}{40} × 100% = 45%

7 0
2 years ago
Read 2 more answers
The function f(x) = −x2 + 44x − 384 models the daily profit, in dollars, a shop makes for selling donut combos, where x is the n
Alecsey [184]
Vertex = -b/2a = -(44)/2(-1) = -44/-2 = 22
To find the x-intercepts, set the function equal to 0 and solve for x
8 0
3 years ago
Pls help me ASAP I will give brainliest
oksano4ka [1.4K]

Answer:

y = 40000(1.02)^8

Step-by-step explanation:

Given

a = 40000 -- Initial population

r = 2\% --- Rate

Required

Determine the population in 8 years

The question shows an exponential distribution and the final population will be calculated using:

y = a(1 + r)^x

Where x is the number of years.

So, we have:

y = 40000(1 + 2\%)^8

Convert % to decimal

y = 40000(1 + 0.02)^8

y = 40000(1.02)^8

(b) is correct

6 0
2 years ago
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