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aliina [53]
3 years ago
15

Is 0.999 a rational number?

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0
Hey! Hope that I can help!

erma4kov [3.2K]3 years ago
5 0
0.999... is exactly equal to 1.
So yes it's rational
0.999.... = 9/9 = 99/99 = 999/999 = (10n - 1)/(10n - 1) = 1
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When buying bottles of Apple juice Ava spent $1.56 On a 12 -ounce bottle and $0.9 on a 6-ounce bottle. Use unit rates to determi
Verizon [17]
Ok so you divide them and then make sure that 1 is the denominator and the numerator can be anything else
5 0
3 years ago
Find the exact solution of -x2 +7x + 5 = 0 by using the Quadratic Formula.
jonny [76]

Answer:

The answer to your question is:

x 1 = -0.65

x2 = 7.65

Step-by-step explanation:

Equation              -x² + 7x + 5 = 0

a = -1

b = 7

c = 5

Quadratic formula     x = -b ±√(b² -4ac) / 2a

                                   x = - 7 ± √(7² -4(-1)(5) / 2(-1)

                                   x = -7 ± √(49 + 20) / -2

                                  x = -7 ± √69 / -2

                                   x = - 7 ± 8.3 / -2

               x1 = -7 + 8.3 / -2                         x2 = -7 -8.3 / -2

               x 1 = -0.65                                  x2 = 7.65

7 0
3 years ago
Steve walks o.6 miles to school and 0.6 miles home again each day how many feet does Steven walk in 5 days (1 miles = 5,280 feet
insens350 [35]

Answer:

31680 feet

Step-by-step explanation:

Total distance walked in 5 days

= 5 × (0.6 miles × 2)

= 5 × 1.2 miles

= 5 × 6336 feet

= 31680 feet

7 0
3 years ago
8fsquare + 4f - 60 <br> its an math equation can anyone plz gimme the answer
hammer [34]

Answer:

f = -3 , 5/2

Step-by-step explanation:

8f² + 4f - 60 = 0

Divide the entire equation by 4

2f² + f  - 15 = 0

Product = -30

Sum = 1

Factors = -5 , 6      {(-5)*6 = -30  and -5 +6 = 1}

2f² + f -15 = 0        {Rewrite the middle term using the factors}

2f² + 6f - 5f -15 = 0

2f(f + 3) - 5(f + 3) = 0

(f +3) (2f - 5) = 0

f +3  = 0    ; 2f -5 = 0

f = -3         ; 2f = 5

                    f = 5/2

6 0
3 years ago
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Zarrin [17]
Term life : Term life insurance provides coverage for a certain time period. It’s often called “pure life insurance” because it’s designed to only protect your dependents in case you die prematurely. If you have a term policy and die within the term, your beneficiaries receive the payout. The policy has no other value.


Whole life : like all permanent life insurances policies, whole life provides lifelong coverage and includes an investment component known as the policies cash value. The cash value grows slowly, tax-differed, meaning you won’t pay taxes on its gains while they are accumulating. You can borrow money against the account or surrender the policy for the cash. But if you don’t repay policy loans with interest, you’ll reduce your death benefit, and if you surrender the policy, you’ll no longer have coverage.
4 0
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