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inn [45]
2 years ago
5

Question 20 Only, Please show your work. Solve the problem.

Mathematics
1 answer:
Sveta_85 [38]2 years ago
8 0

Answer:

  7 inches

Step-by-step explanation:

The area of a square is given by the formula ...

  A = s² . . . . . s = side length

Using the given area, you have ...

  49 in² = s² . . . . . fill in given value of area

  7 in = s . . . . . . . take the positive square root of both sides

The length of a side of the square is 7 inches.

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Which fraction has a terminating decimal?<br> - 11/19<br> - 4/7<br> - 1/3<br> - 3/150
babunello [35]
<h3>Answer: D) 3/150</h3>

==========================================================

Explanation:

With the use of a calculator, we see that,

  • 11/19 = 0.57894736842106...., the decimals eventually repeat; but unfortunately my calculator ran out of room to show the repeating portion
  • 4/7 = 0.5714285714285714..., the block "571428" repeats forever
  • 1/3 = 0.333333.... the 3s go on forever
  • 3/150 = 0.02

So 3/150 converts to the terminating decimal 0.02

The word "terminate" means "stop". In the other decimal values, the decimal digits go on forever repeating the patterns mentioned.

----------------------

A non-calculator approach will have us simplify 3/150 into 1/50 after dividing both parts by the GCF 3. Then notice how 50 has the prime factorization of 2*5*5. The fact that the denominator 50 can be factored in terms of only 2's and 5's is enough evidence to conclude that the fraction converts to a terminating decimal.

If the denominator factors into some other primes, other than 2s and 5s, then we don't have a terminating decimal. So that's why 11/19, 4/7 and 1/3 convert to non-terminating decimals.

6 0
2 years ago
Hillary unraveled 3.0 centimeters of ribbon and then continued to unravel 1.5 more centimeters.
galina1969 [7]
Thanks for the free points hope you find your awnser!
3 0
2 years ago
If f^-1(x) is the inverse of f(x), which statement must be true?
k0ka [10]
F(f-1x)   will be equal to x

take a simple example 

f(x) = 2x

so x = f(x) / 2

 f-1(x) = x/2

f(f-1x) =  2 ( x/2)  = 2 * x/2 = x
5 0
3 years ago
Read 2 more answers
How to Rewrite 8 + 36 as a product of their GCF and the sum of two factors
siniylev [52]

Answer:

4 (2 + 9)

Step-by-step explanation:

  Given expression:

              8 + 36

The greatest common factor is the highest number that divides a number:

8 and 36 ;

  Factors of 8 : 1,2,4, 8

                  36 : 1, 2, 3, 4, 9, 18, 36

The highest common factor is 4;

  8 + 36  = 4 (2 + 9)

7 0
2 years ago
Find the equation of the line that is perpendicular to the x-axis and passes through the point (14,-9). Give the
Rudiy27

Answer:

y = -9

Step-by-step explanation:

a line perpendicular to the x-axis is a horizontal line (which means the slope is zero) which pass through the y-axis at -9

3 0
2 years ago
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