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Minchanka [31]
3 years ago
5

Over 44% of the 30 students in a class read a

Mathematics
1 answer:
Yakvenalex [24]3 years ago
5 0

Answer:

I got 13.2 but you could probably round it to 13.

Step-by-step explanation:

44 percent *30 =

(44:100)*30 =

(44*30):100 =

1320:100 = 13.2

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35/48*100 fraction into percentage.​
MA_775_DIABLO [31]

Answer:

729167

Step-by-step explanation:

Now we can see that our fraction is 72.916666666667/100, which means that 35/48 as a percentage is 72.9167%.

6 0
3 years ago
An electron has an atomic mass of 5.4 x 10-4. If a carbon atom has 6 electrons, what is the combined atomic mass of the electron
Gwar [14]
<span>6*5.4*10^(-4)
=32.4*10^(-4)
move the decimal point, in scientific notation you only have a single digit with comma
=3.2*10^(-3)

so option A

to know if you have to increase or decrease the exponent you can write the intermediary steps out:</span>
32.4*10^(-4)=32.4/10^4=<span>(3.24*10)/(10*10^3)
reduce the fraction and you have the above solution
</span>
4 0
3 years ago
Read 2 more answers
Solve for x.<br> 5(x-2)-x-5= -3
Paha777 [63]

multiply out brackets

5x-10-x-5=-3

collect like terms

4x-15=-3

isolate x

4x=12

work out x

12/4=3

answer: x=3

8 0
3 years ago
The square pyramid pictured below has a surface area of
Evgen [1.6K]

Answer:

Step-by-step explanation:

Triangles

Area of a triangle = 1/2 b * slanted height

b = 6 m

h = 9 m

Area of 1 triangle = 1/2 * 6 * 9

Area of 1 triangle = 27

Area of all 4 triangles = 4*27 = 108 m^2

==================

Base area

The base is a square. All 4 sides are equal.

The formula for a square is s^2

Area = (6 m)^2

Area = 36 m^2

Total area

Total Area = 108 m^2 + 36 m ^2

Total Area = 144 m^2

8 0
3 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRAINLIEST AND GIVE 5.0 STAR RATING
Sloan [31]
The answer is 5.8 because you find the difference on the x axis and you can’t have a negative distance so yea 5.8
3 0
3 years ago
Read 2 more answers
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