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bulgar [2K]
2 years ago
9

Choose the best decimal to represent 5 3/7 2.3 5.428571 2.3 5.428571

Mathematics
2 answers:
Nat2105 [25]2 years ago
5 0
The best decimal to represent 5 3/7 is:

5.428571

NemiM [27]2 years ago
4 0

Answer:

5.428571

Step-by-step explanation:

5\frac{3}{7}

take the fraction and divide that:

\frac{3}{7} =0.428571

then just add 5:

5 + 0.428571 = 5.428571

or...

convert the mixed fraction to improper fraction:

5\frac{3}{7} = \frac{38}{7}

divide like normal:

\frac{38}{7} = 5.428571

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A.
(64x<span>² + 96x + 36) / (16x + 12)
= 4(16x</span><span>² + 24x + 9) / 4(4x + 3)
= 4*(4x + 3)(4x + 3) / 4(4x + 3)
= 4x + 3

b.
1.79 x 10^5 = 1.79 * 100,000 = 179,000

c.
(5.9736 x 10^24) + (4.8685 x 10^24)
= (5.9736 + 4.8685) x 10^24
= 10.8421 x 10^24
= 1.08421 x 10^25</span>
4 0
3 years ago
A circle with radius 4 inches is inscribed in an equilateral triangle. Find the area of the triangle.
LUCKY_DIMON [66]

The inscribed circle has its center at the point of intersection of the angle bisectors, which also happen to be the medians. Hence the altitude of the triangle is 3 times the radius, or 12 inches.

The side length of this triangle is 2/√3 times the altitude, so the area is

... Area = (1/2)·b·h = (1/2)·(24/√3 in)·(12 in)

... Area = 48√3 in² ≈ 83.1384 in²

7 0
3 years ago
19m=2 and g=3, what is 3(m+3g)-(2m)
Vikki [24]
The answer is 27.1052631579 or 27.1 if you rounded "m" to .10
5 0
3 years ago
Which expression is equivalent to 3√50 × √22 ?
8_murik_8 [283]

\longrightarrow{\green{C.\:30 \sqrt{11} }} ✔

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}

3 \sqrt{50}  \times  \sqrt{22}  \\ \\ = 3 \sqrt{50 \times 22}  \\ \\ = 3 \sqrt{1100}  \\ \\ = 3 \sqrt{2 \times 2 \times 5 \times 5 \times 11}  \\ \\ = 3 \sqrt{ {2}^{2}  \times  {5}^{2}  \times 11}  \\ \\ = 3 \times 2 \times 5 \sqrt{11}  \\\\  = 30 \sqrt{11}

\bold{ \green{ \star{ \orange{Mystique35}}}}⋆

5 0
2 years ago
A rectangle is 2.5 times as long as it is wide. Find the dimensions of the rectangle if it is perimeter is 56 cm.
antoniya [11.8K]
Perimeter of a rectangle = 2 (length + breadth)
or, 56 = 2(2.5 breadth + breadth)
or, 56 = 7*breadth
breadth = 56*7 = 8 cm
length = 2.5*8 = 20 cm
6 0
3 years ago
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