2 years ago

Select all ratios equivalent to 26:15

Mathematics

1 answer:

olchik [2.2K]2 years ago

6 0

Answer:

$\frac{130}{75 }$

is equivalent to

$\frac{26}{15}$

because

$\frac{26 \times 5}{15 \times 5} = \frac{130}{75}$

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A cylinder has volume 78 cm3 . What is the volume of a cone with the same radius and height? A 26 cm3 B 39 cm3 C 156 cm3 D 234 c

otez555 [7]

Answer:

Option A - $26 \mathrm{cm}^{3}$

Step-by-step explanation:

Given: The volume of a cylinder = $78 \mathrm{cm}^{3}$

Let us substitute the volume of cylinder in the formula.

The formula for volume of a cone is $V=\frac{\pi r^{2} h}{3}$ (1)

The formula for volume of a cylinder is $V=\pi r^{2} h$ (2)

Substituting $V=78$ in equation (2), we get,

$\begin{array}{c}{V=\pi r^{2} h} \\{78=\pi r^{2} h}\end{array}$

Given that the cone has the same radius and height of that of the cylinder, let us substitute $78=\pi r^{2} h$ in equation (1)

$\begin{array}{l}{V=\frac{\pi r^{2} h}{3}} \\{V=\frac{78}{3}} \\{V=26}\end{array}$

Thus, the volume of a cone with the same radius and height of a cylinder is $26 \mathrm{cm}^{3}$ .

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3 years ago

2% of 65 answer fast please

mestny [16]

Answer:

2% of 65

2/100*65

13/10

1 3/10

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3 years ago

Show your work<br> 4(2x - 6) = 10x - 6

Elden [556K]

4.(2x - 6) = 10x - 6

4.2x - 4.6 = 10x - 6

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kati45 [8]

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