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melomori [17]
3 years ago
12

Im confused that's all - If 80% is 75 marks, what is full marks

Mathematics
1 answer:
never [62]3 years ago
8 0

Let the full marks be represented by = x

As given, 80% of x is 75

So,

\frac{80}{100}*x=75

x= 80x=7500

x=93.75

Hence, full marks is 93.75

We can check also- \frac{80}{100}*93.75 =75


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I can’t find this answer, help me plss
Vinvika [58]

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soln

= 7/4×(22 –x) =0

= 1.75 ×22 –x =0

= x=38.5

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soln

= 15x²×8x²=7×5

=120x^4 = 35

= x^4 =120–35

x^4 =85

6) 9x²/4–4=0

soln

=9x²/4–4=0

=2.25–4=0

=4–2.25=0

=1.75

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8 0
3 years ago
A square in the board below and a letter in the word ATTENTION is chosen at
kolezko [41]

Answer:

4 /15

Step-by-step explanation:

From the number cube :

Count of Numbers greater than 4 = 16

Sample space of number cube = 20

P(number greater than 4) = 16 / 20 = 4/5

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Count of letters in attention = 9

Count of T's in attention = 3

P(choosing T) = 3 / 9 = 1/3

P(greater than 4, then T) = 4/5 * 1/3 = 4 /15

5 0
2 years ago
I need help on number 8 and please show how you solved it :))
dmitriy555 [2]

Answer:

32.04% to 2 decimal places.

Step-by-step explanation:

As a fraction it is 17.3 / 54

To get the percentage we multiply by 100:

= (17.3/54) * 100

= 32.04%

8 0
3 years ago
Mr.Steve drove 92 miles using 4 gallons of gasoline. Find the unit rate of miles driven per gallon.
Ede4ka [16]

Answer:23


Step-by-step explanation:

92/4

7 0
3 years ago
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deff fn [24]

Answer:

  342 inches, or 28.5 feet, or 9.5 yards

Step-by-step explanation:

It is perhaps easiest to start with all the dimensions in inches.

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  3.5 yd = (3.5 yd)(36 in/yd) = 126 in

Then the total of the lengths of ribbon is ...

  54 in + 162 in + 126 in = 342 in

Converting to feet, we get ...

  (342 in)/(12 in/ft) = 28.5 ft

And converting to yards, we get ...

  (342 in)/(36 in/yd) = 9.5 yd

The total length of ribbon is 342 inches, or 28.5 feet, or 9.5 yards.

7 0
3 years ago
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