3 years ago

Please help .........

Mathematics

1 answer:

Zepler [3.9K]3 years ago

3 0

Try socratic to answer that, it’s helped me

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The volume V of a cone varies jointly as the area of the base B and the height

seraphim [82]

Answer:

h = 9 cm.

Step-by-step explanation:

V = kBh where k is the constant of variation.

From the given info:

32 = k*16*6 = 96k

So k = 32/96 = 1/3.

So we have the equation of variation:

V = 1/3Bh

When V = 60 B = 20, so:

60 = 1/3 20h

20h = 60 * 3 = 180

h = 180 /20 = 9.

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2 years ago

A lab technician is dividing a cell that has a diameter of 4.32×10^-4 millimeters. Each of the new cells has a diameter measurin

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Answer:

$2.16 \times {10}^{ - 4}$

Step-by-step explanation:

The lab technician is dividing a cell that has a diameter of

$4 .32 \times {10}^{ - 4}$

The new cells has a diameter that is half of the diameter of the original cell.

The diameter of the new cell is given as:

$\frac{4.32 \times {10}^{ - 4} }{2}$

Rewrite the numerator in standard notation:

$\frac{0.000432}{2}$

$= 0.00216$

We rewrite in scientific notation to obtain:

$2.16 \times {10}^{ - 4}$

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3 years ago

Nancy's mother has a large collection of shoes. The table shows how many pairs of shoes she

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Answer:

P(pumps) = 2/5

Step-by-step explanation:

(Pumps)/(Everything)

(10)/(9+6+10)

10/25

2/5

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3 years ago

Im stuck ....<br> What is the solution for the equation 2(3x−7)=−4(x+5)+3? <br> plss show work

Ipatiy [6.2K]

Answer:

$2(3x - 7) = - 4(x + 5) + 3 \\ 6x - 14 = - 4x - 20 + 3 \\ 6x + 4x = - 20 + 3 + 14 \\ 10x = - 3 \\ \\ x = \frac{ - 3}{10} \\ \\ x = - 0.3$

I hope I helped you^_^

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2 years ago

What is the volume in cubic feet of a greenhouse that is 50 feet long, 25 feet wide, and 12 feet high?

Alexandra [31]

To find volume you just multiply the length, width, and height, so 15,000 cubic feet.

8 0

3 years ago

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