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lana [24]
3 years ago
12

If one-third of one-fourth of a number is 15, then three-tenth of that number is:

Mathematics
1 answer:
aksik [14]3 years ago
6 0

Answer:

54

Step-by-step explanation:

Let the number be x.

1/3 of 1/4 of x = 15 <=> 3 x 4 x 15 = x = 180

3/10 x 180 = 54

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I need help with my math
Nat2105 [25]

Answer:

Part A. C=9

Part B. (w+3)² =139

Part C. w = 8.8 inch

Step-by-step explanation:

Given from the question length of the the picture = (2w+12) inches

Width of the picture = w inches

Area of the picture = 260 inch²

Part A. Area of the picture with the given dimensions= w×(2w+12)

Or w(2w+12) = 260

2w²+12w = 260

2(w²+6w) = 2×(130)

w²+6w = 130

Or w²+6w +9 = 130+9 ⇒ which is in the form of w²+6w+c = 130+c

Therefore for c = 9 we will get a perfect square trinomial.

Part B. As we have seen the equation in part A.

As required equation will be (w+3)²=139

Part C. Since (w+3)² = 139

Then by taking under root on both the sides of the equation

(w+3) =√139 = 11.8

(w+3)-3=11.8-3

w = 8.8 inch

3 0
3 years ago
Help please!!!!!!!!!!!
Sophie [7]
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\{x|x\leqslant 4\}

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[-7,\infty)

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7 0
3 years ago
Where should the lower quartile line be placed?
makvit [3.9K]
Between the median and the number before it and everything in front of it is the lower quartile
5 0
3 years ago
A rectangle has a width of nine units in the length of 40 units what is the length of a diagonal
shepuryov [24]

Answer:

Applying the Pythagorean theorem, the diagonal is calculated by:

D = sqrt(40^2 + 9^2) = 41

Hope this helps!

:)

5 0
3 years ago
Read 2 more answers
One side of a regular hexagon is 9 units.<br>What is the perimeter of the hexagon?
schepotkina [342]
It is 54 because you have to do 9 multipied by 6 because a hexagon has 6 sides therefore it is 54


5 0
3 years ago
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