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ANTONII [103]
3 years ago
15

5 3/8 - 2 1/8 = (make sure you simplify the fraction)

Mathematics
1 answer:
Alex787 [66]3 years ago
6 0
13/4, is your answer.
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Find the value of x.
madreJ [45]

Answer:

40

Step-by-step explanation

x=40 because if you time these in like this:

3(40)-10= 110

40+15=55

If you user 65 it'll be wrong because:

3(65)-10=185    

And the whole thing is only 180 :]

3 0
3 years ago
Convert: 8.9 mm = cm
gayaneshka [121]
8.9mm/10 = 0.89cm. since 10mm is 1 cm.
4 0
3 years ago
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What's the slope- intercept equation? 10x-3y= -6
astra-53 [7]
Simplfy in to y=mx+b form
-3y=-10x-6
y=10/3x+2
5 0
3 years ago
Please help area and perimeter of functions
nalin [4]

Answer:

= 150 square units

Step-by-step explanation:

Area of a right triangle is given by the formula;

1/2 bh ; where b is base and h is the height of the triangle

using Pythagoras  theorem, we can find the height;

h² = 20² - 16²

h = √144

  = 12 units

The base of the small triangle can also be found using Pythagoras theorem;

b² = 15² - 12²

b  = √ 81

   = 9

Therefore;

Area = 1/2 bh

        = 1/2 × 12 × (16+9)

        = 1/2 × 12 × 25

        = 6 × 25

        = 150 square units or 150 u²

     

5 0
4 years ago
Read 2 more answers
Five divided by two multiplied by a number then decreased by eleven is equal to four. Find the number.
I am Lyosha [343]

Answer:

the number = 8/5 or 1 3/5 or 1.6

Step-by-step explanation:

n = the number

5/2n - 11 = 4

5/2n - 11 + 11 = 5 / 2n

5/2n = 4

5/2n / 5/2 = n

4 / 5/2 = 8/5

3 0
3 years ago
Read 2 more answers
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