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Lostsunrise [7]
3 years ago
15

In a class of 38 student,30 are good in mathematics and 22 are good in physics how many students are good in both mathematics an

d physics
​
Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0

Answer:

8 are bad in math and 16 in physics

Step-by-step explanation:

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Select the correct answer. Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What
vivado [14]

Answer:

Step-by-step explanation:

A. 4.2E6 because when putting a number into scientific notation, you would want one number in front of the decimal place and then the trailing numbers would follow. The exponent or E stand for how many numbers are after the decimal, which in this case would be 6.  

4,200,000 → 4.2 x 10^6 which is equal to saying 4.2E6

Tip: If the exponent is negative than the decimal would go in the opposite direction. For example:

4,200,000 → 4.2 x 10^-6 would not equal each other because 4.2 x 10^-6 means 0.000004, six numbers would be behind the decimal.

8 0
3 years ago
Sean has a piece of string 7/8 meter long. He uses 1/5 of the piece of string to tie a package and cuts the rest into 5 equal pi
Olin [163]
Let change 7/8 and 1/5 into decimal point so 0.88 and 0.2 
0.88-0.2 =0.68
then we want 5 equal length so we divided
0.68 / 5 =0.14
6 0
3 years ago
What are two different ways of factoring -2x - 4? Select all that apply.
Otrada [13]
Multiple and divide the numbers
8 0
3 years ago
Select each pair of equivalent number
Crank

Answer:

B and D

Step-by-step explanation:

8 0
3 years ago
Given f(x) = 6(1 - x), what is the value of f(-8)?
Vedmedyk [2.9K]

Answer:

<h2>f(-8) = - 42</h2>

Step-by-step explanation:

f(x) = 6(1 - x)

To find f(-8) substitute the value of x that's - 8 into f(x) that is for every x in f (x) replace it with - 8

We have

f(-8) = 6( 1 - 8)

= 6(-7)

We have the final answer as

<h3>f(-8) = - 42</h3>

Hope this helps you

7 0
3 years ago
Read 2 more answers
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