4 years ago

What is the value of X

Mathematics

2 answers:

dmitriy555 [2]4 years ago

7 0

Answer:

im prolly wrong but i think 90 XDDDD

Step-by-step explanation:

Ivahew [28]4 years ago

3 0

Answer:

Step-by-step explanation:

Attached file

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The volume of the cone shown is 5 cubic inches. What is the height of a cone with the same base diameter but a volume of 10 cubi

MaRussiya [10]

Answer:

The height of the second cone is 2 h₁.

Step-by-step explanation:

The volume of a cone is:

$V=\pi\ r^{2}\frac{h}{3}$

The volume of the first cone is, V₁ = 5 in³.

The volume of the second cone is, V₂ = 10 in³.

The two cones have the same base diameters.

This implies that the two radii are same, i.e. r₁ = r₂.

Compute the height of the second cone as follows:

$r_{1}=r_{2}$

$\frac{3\cdot V_{1}}{\pi\ h_{1}}=\frac{3\cdot V_{2}}{\pi\ h_{2}}$

$\frac{V_{1}}{h_{1}}=\frac{V_{2}}{ h_{2}}$

$\frac{5}{h_{1}}=\frac{10}{h_{2}}$

$h_{2}=2\ h_{1}$

Thus, the height of the second cone is 2 h₁.

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3 years ago

A submarine dives 750 feet every 5 minutes and 4,500 feet every 30 minutes. Find the constant rate at which the submarine dives.

Anna35 [415]

Answer:

150 feet per minute

4 0

3 years ago

What is the cost if a $1,200 washing machine after a discount if 1/5 the original price

Fantom [35]

1/5 (or 20%) of $1,200 is $240
$1,200 - $240 = $960
The cost of a $1,200 washing machine after a discount of 1/5 (20%) is $960

3 0

3 years ago

nikitadnepr [17]

Answer:

$46

Step-by-step explanation:

40(0.15) = 6 (this is the amount of the tip)

40 + 6 = 46 (add the tip to the bill)

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3 years ago

Find the Arithmetic mean between 6 and 12

mafiozo [28]

Step-by-step explanation:

Arithmetic mean

$A.M. = \frac{6 + 12}{2} = \frac{18}{2} = 9 \\$

6 0

3 years ago

Read 2 more answers