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Vilka [71]
3 years ago
14

1. If the stores sell flour for $0.75 per 1 KG how much would it cost for 180G

Mathematics
1 answer:
Cloud [144]3 years ago
5 0
1. 180g = 0.180kg
0.180kg x 0.75dollars = 0.135dollars = 14 cents.

2. 60mL = 0.060L
0.060L x 1.99dollars = 0.1194dollars = 12 cents.

3. 3.15dollars / 108G = 0.2917dollars per G
0.2917dollars per G x 40G = 1.17 dollars.

4. 1.95dollars / 500G = 0.0039dollars per G
0.0039dollars per G x 200G = 0.78dollars = 78 cents.

5. 2.24dollars / 750mL = 0.002987dollars per mL
0.002987dollars per mL x 15mL = 0.0448dollars = 4 cents.
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Rock can read 10 books in 30 minutes.how long does it take rock to read 15 books,if the speed is consistant.
vazorg [7]
10book=30mins
divide 10
1book=3mins

time=(time to read 1 book) times (number of books)
time to read 1 book=3 mins
15 books
15 books=15 times 3mins
15books=45mins

45 mins
7 0
3 years ago
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natulia [17]
The Answer I think is 21
5 0
3 years ago
Solve this and help me plsss​
alexandr402 [8]

Answer:

x = 2

Step-by-step explanation:

(x² logₓ27) log₉x = x + 4

Use change of base formula.

x² (log 27 / log x) (log x / log 9) = x + 4

Simplify.

x² (log 27 / log 9) = x + 4

x² (log 3³ / log 3²) = x + 4

x² (3 log 3 / (2 log 3)) = x + 4

x² (3 / 2) = x + 4

3x² = 2x + 8

3x² − 2x − 8 = 0

(x − 2) (3x + 4) = 0

x = 2 or -4/3

Since x > 0, x = 2.

8 0
3 years ago
The sets of numbers 3, 4, 5 and 5, 12, 13 are examples
Wewaii [24]

Answer:

  • 8, 15, 17 — yes
  • 15, 20, 25 — yes
  • 20, 48, 52 — yes
  • 2, 9, 11 — no
  • 39, 80, 89​ — yes

Step-by-step explanation:

The squares of the three numbers in each of the given triples are listed. When the sum of the first two numbers is equal to the third, the set of numbers in the triple is a Pythagorean triple.

  {64, 225, 289}, yes

  {225, 400, 625}, yes — a 3,4,5 triple multiplied by 5

  {400, 2304, 2704}, yes — a 5,12,13 triple multiplied by 4

  {4, 81, 121}, no*

  {1521, 6400, 7921}, yes.

___

* the smallest set of integers that is a Pythagorean triple is {3, 4, 5}. The number 2 in this group tells you this cannot be a PT.

8 0
3 years ago
Read 2 more answers
40 points David invests $10,000 in a savings account that pays 3.5% simple interest. If David makes no withdrawals or deposits t
sweet [91]

Answer:

FV= $12,450

Step-by-step explanation:

Giving the following information:

David invests $10,000 in a savings account that pays 3.5% simple interest.

<u>To calculate the future value, we need to use the following formula.</u>

FV= PV*(1+i*n)

n= 7

i= 0.035

PV= 10,000

FV= 10,000*(1+0.035*7)

FV= $12,450

6 0
3 years ago
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