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Advocard [28]
3 years ago
15

4%*57+(7654*34562)-68+1-213=?

Mathematics
1 answer:
OLga [1]3 years ago
6 0

Step-by-step explanation:

264537270.28

ok..... oddly..

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In an examination, 80 students secured
faust18 [17]

Number of students who secured first class in English only is 20

Step-by-step explanation:

  • Step 1: Find the number of students who secured first class in English only.

Total number of students who secured first class in English or Maths, T = 80

Number of students who secured first class in Maths, M = 50

Number of students who secured first class in both English and Maths, EM = 10

⇒ Let the number of students who secured first class in English only be x.

Total students with first class, T = M + EM + x

⇒ 80 = 50 + 10 + x

⇒ 80 = 60 + x

∴ x = 80 - 60 = 20

3 0
3 years ago
OK so I don't want answers, I just want someone to walk me through this and teach me how to do it.
Serggg [28]

Answer:

352cm²

Step-by-step explanation:

The shape is a cuboid and it has 6 faces, and the opposite faces are equal, so I calculate 3 different faces and multiplied it by 2 to give me the total surface area. Therefore, total surface area = the addition of all the surface areas in the shape. And to get each surface area, you have find the area of each of the 6 faces, and add them together, to give you the total surface area.

6 0
2 years ago
Which expression is equivalent to 12 × 3 × 5?
Nikolay [14]
What are the other expressions then I can help
5 0
3 years ago
Read 2 more answers
For all values of x f(x)
Firlakuza [10]

Answer:

f(g(5)) = 64

g(f(5)) = 28

Step-by-step explanation:

Given  that f(x) = x^2 and g(x) = x+3

f(g(x) = f(x+3)

f(x+3) = (x+3)^2

f(g(x)) = (x+3)^2

f(g(5)) = (5+3)^2

f(g(5)) = 8^2

f(g(5)) = 64

b) g(f(x)) = g(x^2)

g(f(x)) = x^2 + 3

g(f(5)) = 5^2 +3

g(f(5)) = 25 + 3

g(f(5)) = 28

Hence the value of g(f(5)) is 28

5 0
3 years ago
If a = mg - kv²/ m find , correct to the nearest whole number the value of V when a= 2.8 ,m= 12 ,g = 9.8 and k= 8/3
Harlamova29_29 [7]

Answer:

v = 22.59

Step-by-step explanation:

all you need is contained in this sheet

5 0
3 years ago
Read 2 more answers
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