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disa [49]
3 years ago
9

Solve (-36 4/9)- (-10 2/9)- (18 2/9)

Mathematics
1 answer:
Elodia [21]3 years ago
4 0
49.33, should be right
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four apples and one banana cost £1.40 seven apples and one banana cost £2.00 work out the cost of an apple and the cost of a ban
beks73 [17]

Answer:

  • apple: £0.20
  • banana: £0.60

Step-by-step explanation:

Let "a" and "b" represent the costs of one apple and one banana, respectively. Then the purchases can be written ...

  4a +b = 1.40

  7a +b = 2.00

Subtracting the first equation from the second gives ...

  (7a +b) -(4a +b) = (2.00) -(1.40)

  3a = 0.60 . . . . simplify

  a = 0.20 . . . . . .divide by 3

Using this in the first equation, we have ...

  4(0.20) +b = 1.40

  b = 0.60 . . . . . subtract 0.80

The cost of an apple is £0.20; the cost of a banana is £0.60.

8 0
3 years ago
$6% of $17.75<br> Find sales tax
Anastaziya [24]

Answer: 1.07

Step-by-step explanation: multiply the percentage. for ex: 17.75 X .06 = 1.065

7 0
3 years ago
Read 2 more answers
Nina can stitch 2/3 of dress in 4 hours. If represents the number of dresses and the represents the number of hours, which equat
Gelneren [198K]

Answer:

d :4h

Step-by-step explanation:

hope this helps (;

7 0
3 years ago
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Compare the numbers by entering &lt;, &gt;, or =.
Andrew [12]
Your answer would be:
596.64 = 596.640
Reasoning= If you just take away the zero from 596.640 you would have the same answer as 596.64. Now if you add a zero to 596.64 you still would have the same answer, therefore they are equal.
Hope this helps! (:
6 0
3 years ago
3x+1+5x=7+15+7x what is x?
baherus [9]

Answer:

<h2>x = 21</h2>

Step-by-step explanation:

3x + 1 + 5x = 7 + 15 + 7x          <em>combine like terms</em>

(3x + 5x) + 1 = (7 + 15) + 7x

8x + 1 = 22 + 7x             <em>subtract 1 from both sides</em>

8x = 21 + 7x             <em>subtract 7x from both sides</em>

x = 21

4 0
3 years ago
Read 2 more answers
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