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LenKa [72]
3 years ago
13

I Need Help Only #8

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
8 0
............. ............. .............
Sergeeva-Olga [200]3 years ago
7 0

Answer:

15

Step-by-step explanation:

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Look at the image below
Blizzard [7]

Answer:

(A) 33.9 (B) 22.6

Step-by-step explanation:

We first need to round to the nearest dollar for both prices. Lets examine both numbers.

$30.<u>1</u>2       $19.<u>9</u>3

We can round $30.12 to $30 since the number in the tenths place is 1 and we can round $19.93 to $20 since there is a nine in the tenths place.

Now we must find the tax for each number. We can do that by multiplying each number by 0.13 since that is 13% in decimal form. Lets do that now

30*0.13=3.9           20*0.13=2.6

Now we can find the final price for each number by adding the tax to the rounded price.

30+3.9=33.9          20+2.6=22.6

Hence, (A) 33.9, (B) 22.6

5 0
2 years ago
What is 12:36 written as a ratio in lowest term?
Reil [10]

Answer:

1:3

Step-by-step explanation:

you just need to simplify it

7 0
3 years ago
which set of number could represent the length of the sides of a right triangle? A 9 11 14 B 15 18 21 C 7 24 25 D 8 9 10
EastWind [94]
Common Pythagorean triples include
  (3, 4, 5)
  (5, 12, 13)
  (7, 24, 25)
  (9, 40, 41)
The only Pythagorean triple that is an arithmetic sequence is (3, 4, 5), so any arithmetic sequence that is a Pythagorean triple must be a multiple of that, such as (9, 12, 15) or (15, 20, 25).

The arithmetic sequences of selections B and D are unrelated to the (3, 4, 5) triple, so cannot be Pythagorean triples. For selection A, we know that 9² + 11² = 81 + 121 = 202 > 14², so that is not a right triangle.

The appropriate selection is ...
  C. 7, 24, 25
8 0
3 years ago
Read 2 more answers
William says that 15years from now his age will be 3 times his age 5 years ago if x represents williams present age complete the
Kay [80]

Answer:

Is the question complete

5 0
2 years ago
??????? Help please
Ad libitum [116K]

Step-by-step explanation:

Put the values of x = 6, y = -7 and z = 0.8 to the expressions:

a) 5x → 5(6) = 30

b) 3y → 3(-7) = -21

c) 10z → 10(0.8) = 8

4 0
3 years ago
Read 2 more answers
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