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valina [46]
4 years ago
15

45 is 90% of what number

Mathematics
2 answers:
choli [55]4 years ago
8 0
45 = 90% * x
45 = .90x
45/.90 = x

x = 50

45 is 90% of 50
shusha [124]4 years ago
6 0
45/0.9 (Which is 90%) =50                        45 is 90% of 50

         50  <------ answer
      ____
0.9/  45
      - 45
_______
          0
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66 bats were sold. Some were sold for $42 each the rest were sold for $30 each. The total sales were$2,460. Write and solve a sy
Phoenix [80]

Answer:

40 bats sold for $42

26 bats sold for $30

Step-by-step explanation:

x + y = 66

42x + 30y = 2460

solve first equation for y and plug in for y in second equation

42x + 30 (66 - x) = 2460

x = 40

y = 66- 40 = 26

5 0
4 years ago
3.27x+1.28y+1.83x−2.77y
Firdavs [7]

Answer:

5.1x - 1.49y

Step-by-step explanation:

We need to add or substract like terms.

like terms are the terms that have the same variable, in this case:

3.27x and 1.83x are like terms, and adding them we get:

3.27x + 1.83x = 5.1x (you add only the coefficients and the x stays the same)

we do the same for the terms with 'y':

1.28y and −2.77y are like terms, but in this case we must substract because of the − sign:

1.28y −2.77y = -1.49y

the final answer is the conjunction of the two results that we obtained:

5.1x - 1.49y

8 0
3 years ago
Is the volume of a triangular prism one-third the volume of a rectangular prism with the same base area and height? ASAP!!!!!!!
alexira [117]
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4 0
4 years ago
PLEASE HELP! DUE TONIGHT
Bezzdna [24]

Answer:

The answer is B

Step-by-step explanation:

3 0
3 years ago
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eduard

Answer: Point Form - (5/2, 2) Equation Form - 5/2, y = 2

Step-by-step explanation:

5 0
2 years ago
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