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babunello [35]
3 years ago
14

The price of an item has risen to $221 today. Yesterday it was $130. Find the percentage increase.

Mathematics
1 answer:
wlad13 [49]3 years ago
4 0

Answer:

70

Step-by-step explanation:

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Consider the work shown for 99÷7. What does the highlighted 1 represent?
kirill [66]

Answer:

The amount left after each group gets 14

Step-by-step explanation:

R1 means there is 1 left after dividing everything

5 0
3 years ago
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A plumbers bill is £463.20 plus VAT. The current rat of VAT is 20%. What is the actual cost of work done?
Mila [183]
£555.84

1% of the original value ×20 is £92.64. Add that to the original value (£463.20)
8 0
3 years ago
If an regular interior angle of a regular polygon is 140 degrees, how many sides does the polygon have and I need the work
torisob [31]

Answer:

9 sides

Step-by-step explanation:

exterior angle + interior angle = 180° , so

exterior angle + 140° = 180° ( subtract 140° from both sides )

exterior angle = 40°

The sum of the exterior angles of a polygon = 360°

Dividing sum by the measure of 1 exterior angles gives number of sides

number of sides = \frac{360}{40} = 9

8 0
2 years ago
Can somebody please help me with this math problem?
meriva

Answer:

<u><em>x=8.5 </em></u>

Step-by-step explanation:

you have to count the numbers at the top you get 22 then you subtract 22 from 39 that will get you 17 cut 17 in half and you will get 8.5 .so put 8.5 on both of the sides on the bottom.answer <u><em>x equals 8.5</em></u>

4 0
3 years ago
Bonjour , je n'arrive pas a faire ces calcules quelqu'un pourrais m'aidez Voici les calculs : 1 sur 4 - 3 sur 4 et calculer un p
Gre4nikov [31]
Bonjour! 
90% de 2300=2070
112% de 80= 100% de 80 + 12% de 80 = 89.6km/h
:)

3 0
3 years ago
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