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KengaRu [80]
2 years ago
8

What is 0. 72 [REPEATING] as a fraction in simplest form?

Mathematics
1 answer:
Nostrana [21]2 years ago
6 0

The answer is 13/18 because it is congruent to 0.7(2).

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Does 3,4, and 5 make a right triangle or not a right triangle?
S_A_V [24]

Answer:

I believe it does

Step-by-step explanation:

sorry if i am wrong

6 0
3 years ago
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Which statement is true of the function f(x) = ? Select three options.
Marianna [84]

Answer:

The function has a domain of all real numbers.

The function has a range of {y|–∞ < y <∞ }.

The function is a reflection of y=∛x

Step-by-step explanation:

Given:

f(x)=-∛x

domain is set of all values that x can take for which the function is defined, so

for above function domain= set of all real numbers

range is set of values that corresponds to the set of values of domain, so for given f(x) range={y|–∞ < y <∞ } set of real numbers

Now f(x)=-∛x hence its reflection will be

-f(x)=-(-∛x)

y=∛x !

3 0
3 years ago
Read 2 more answers
A mother is 26 years older than her daughter. The daughter is one-third her mother's age. How old is each now? When will the mot
marshall27 [118]

Answer:

  • now: daughter: 13, mother: 39
  • then: daughter: 26, mother: 52

Step-by-step explanation:

If the daughter's age is 1/3 the mother's age, the difference in their ages is ...

  1-1/3 = 2/3

the mother's age. The daughter's age is half that (1/3 the mother's age), so the daughter's age is 26/2 = 13 years. The mother's age is 13+26 = 39 years, which is 3 times the daughter's age.

The daughter is 13 now; the mother is 39.

__

When the mother is twice as old, the daughter's age will be equal to their age difference: 26. The mother's age will be 26 +26 = 52

When the mother is twice as old, she will be 52, and the daughter will be 26.

_____

<em>Additional comment</em>

You can assign variables and write equations that will give you the same result. If you let d and m represent the daughter's age and the mother's age, respectively, you could write the system ...

  m = d +26

  d = m/3

Substituting for d, you get ...

  m = m/3 +26

  2/3m = 26 . . . . . . subtract m/3

Note that this is the relationship we came to in the discussion above.

__

When an age difference is given, you know it will remain the same throughout the problem. Everybody ages at the same rate, so the difference is constant. As we have done above, it is often useful to compare the age difference to the difference in ratio units. This tells you the size of a ratio unit.

3 0
2 years ago
If 7 is added to the square of a positive integer, the result is 43. Find the positive integer
Blababa [14]

Answer:

6

Step-by-step explanation:

43-7=36

The square of 36 is 6.

7 0
3 years ago
Anthony wants to buy CD for $400 that earns 2.5% APR and is compound quarterly. The CD matures in 3 years. Hi interest earned wi
lukranit [14]

Answer:

<em>The correct option is:   B.  $30.00</em>

Step-by-step explanation:

<u>The formula for compound interest</u> is.......

A=P(1+\frac{r}{n})^n^t , where A= Final amount, P= Initial amount, r= rate of interest in decimal form, n= number of compounding in a year and t= time duration in years.

Anthony wants to buy CD for $400 that earns 2.5% APR and is compound quarterly and the CD matures in 3 years.

So here,  P= 400, r=2.5\%=0.025, t= 3

As the CD is compounded quarterly, so here  n= 4

Plugging these values into the above formula......

A= 400(1+\frac{0.025}{4})^(^4^*^3^)\\ \\ A= 400(1+0.00625)^1^2\\ \\ A=400(1.00625)^1^2\\ \\ A= 431.053...

So, the amount of total interest earned = (\$431.053...-\$400)=\$31.053... \approx \$30.00(Approximately)

5 0
2 years ago
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