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S_A_V [24]
3 years ago
12

In a exam 90% students passed.if 15 students failed,find the number of students appeared in the examination?​

Mathematics
1 answer:
inysia [295]3 years ago
5 0

Answer:

150

Step-by-step explanation:

10%=15

100%=150

15 x 10=150

to check find 90% of 150 which is 135

150-135=15

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What is the number in scientific notation? ​0.0765
devlian [24]

Answer:

7.65 * 10^{-2} is scientific notation of 0.0765

Step-by-step explanation:

For scientific notation , follow the following notation:

a * 10^{b} -------->(equation 1)

Let,  a^{'} =  0.0765

In standard form

 a =  7.65

As decimal point move 2 places from left to right, therefore

b = -2

Put the value of 'a' and 'b' in (equation 1)

7.65 * 10^{-2} is scientific notation of 0.0765

4 0
4 years ago
Does anyone know how to do this ?
Pavel [41]
I believe you go to the spots on the graph and then just found up from there, and do that with every point
6 0
3 years ago
304,056 trying to represent the value of this number using expanded notation we give the answer but is giving us an error so we
Rina8888 [55]

Answer:

(3 * 100,000) + (0 * 10,000) + (4 * 1000) + (0 * 100) + (5 * 10) + (6 * 1)

Step-by-step explanation:

We want to represent the value of this number using expanded notation

Mathematically, that will be;

(3 * 100,000) + (0 * 10,000) + (4 * 1000) + (0 * 100) + (5 * 10) + (6 * 1)

= 300,000 + 0 + 4000 + 0 + 50 + 6

= 304,057

7 0
3 years ago
In a class full of men and women, of the class are women. What is the ratio of men to
Rus_ich [418]

Answer:

1/2

Step-by-step explanation:

6 0
3 years ago
HELP ASAP NOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Sedbober [7]

Answer:

x +2y = 36

2x+3y =64

Step-by-step explanation:

x = price of a T-shirt

y = price of a puck

Adam buys a T-shirt and two souvenir pucks for $36.00

x +2y = 36

Luke spends $64.00 on two T-shirts and three pucks

64 = 2x+3y

Our system of equations is

x +2y = 36

2x+3y =64

6 0
3 years ago
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