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Bond [772]
3 years ago
13

HELP I NEED TO SIMPLIFY THIS

Mathematics
2 answers:
aleksley [76]3 years ago
8 0

letter c

Step by step Explanation:

(-1/3+1/9)(4²)+5/18

=-2/9(4²)+5/18

=-2/9(16)+5/18

=-32/9+5/18

=-59/18

<em>hope this help you!</em>

Dennis_Churaev [7]3 years ago
5 0

Step-by-step explanation:

= ( -  \frac{1}{3}  +  \frac{1}{9} ). {4}^{2}  +  \frac{5}{18}

= ( -  \frac{3}{9}  +  \frac{1}{9} ).16 +  \frac{5}{18}

=  -  \frac{2}{9} .16 +  \frac{5}{18}

=  -  \frac{32}{9}  +  \frac{5}{18}

=  -  \frac{64}{18}  +  \frac{5}{18}

=  -  \frac{59}{18}

Option → C

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The minibus runs at 16 miles to a gallon of diesel. Diesel costs £1.43 per litre. There are 4.55 litres to a gallon.
melomori [17]

Answer: it will cost £78.0672 to travel the 192 miles to Brighton.

Step-by-step explanation:

The minibus runs at 16 miles to a gallon of diesel. If there are 4.55 litres to a gallon and diesel costs £1.43 per litre, it means that the cost of a gallon of diesel would be

4.55 × 1.43 = £6.5056

This means that the cost of running 16 miles is £6.5056

Therefore, the amount that it will cost to travel the 192 miles to Brighton would be

(192 × 6.5056)/16 = £78.0672

7 0
3 years ago
26.48 divided by 2 and the method
e-lub [12.9K]

Answer:

13.24

Step-by-step explanation:

If you put it into the calculator, you get the answer. Or you could do long division, but that's difficult for no reason. You could also divide each number individually by 2, as they are all even, so that works too.

Hope this helps!

7 0
3 years ago
Solve the inequality -2x is less than or equal to 3x + 1 is less than or equal to 10
KatRina [158]
-2x < = 3x + 1 < = 10

split them
-2x < = 3x + 1         3x + 1 < = 10
-2x - 3x < = 1          3x < = 10 - 1
-5x < = 1                 3x < = 9
x > = -1/5                 x < = 3

solution is : -1/5 < = x < = 3 <==
3 0
3 years ago
Knife is 3 times cost of spoon<br> 9 spoons and 12 knifes is £82.80<br> what is 1 knife
xenn [34]

Answer:

The cost of spoon is £1.84 and therefore the cost of one knife is £5.52.

Given :

  • A knife is 3 times the cost of the spoon.
  • 9 spoons and 12 knives costs £82.80.

Solution :

  • This question is solve by creating a linear equation and linear equations are nothing but yet another subset of "equations".
  • Linear calculations that requires more than one variable can be done with the help of linear equations.
  • The standard form of a linear equation in one variable is ax + b = 0.

Now let x be the cost of spoon. Than the cost knife is 3x. It is given that 9 spoons and 12 knives costs £82.80.

<h3>9x + 12 x (3x) = 82.809x + 36x = 82.8045x = 82.80x = 1.84</h3>

Therefore the cost of 1 knife = 5.52

Step-by-step explanation:  1.84 x 3 = 5.52

3 0
2 years ago
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