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cupoosta [38]
2 years ago
14

Answer Please............​

Mathematics
1 answer:
erik [133]2 years ago
6 0
90 is the right answer
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What's 17⁄12 as a mixed number? <br><br> A. 1 5⁄12<br> B. 1 12⁄7<br> C. 1 7⁄12<br> D. 7 1⁄2
Tju [1.3M]

Answer:

A

Step-by-step explanation:

17 / 12

(12 + 5) / 12

12/12 + 5/12

1 5/12

8 0
3 years ago
A floor is made up of 20 triangular tiles, each with sides 40 cm, 24 cm and 32 cm. Find the cost of polishing the floor at the r
pochemuha

Answer:

15360\,\,rupees

Step-by-step explanation:

Let sides of the triangle be a,b,c

a=40\,,\,b=24\,,\,c=32

Semi-perimeter (s) = \frac{a+b+c}{2}

=\frac{40+24+32}{2}\\ =\frac{96}{2}\\=48

Area of one tile =\sqrt{s(s-a)(s-b)(s-c)}

=\sqrt{48(48-40)(48-24)(48-32)}\\ =\sqrt{48(8)(24)(16)}\\ =\sqrt{147456} \\=384\,\,cm^2

So,

Area of 20 tiles =20(384)=7680\,\,cm^2

Cost of polishing the floor at the rate of 2 rupees per sq.cm = 7680(2)=15360\,\,rupees

7 0
2 years ago
32 is 40% of what number? please show working.
blagie [28]
32 40%
80 100


to find the answer, you do 32 times 100, the. divide that by 40 which equals 80
6 0
2 years ago
Modeling with systems of linear inequalities
NeX [460]
Huh what you mean.....
8 0
3 years ago
If you could please help good sir...
Vladimir [108]

Answer:10

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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