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3 years ago

PLEASE HELP ASAP: What is the exact volume of the cone?

Mathematics

1 answer:

qwelly [4]3 years ago

6 0

Answer:

Step-by-step explanation:

second option 400/3

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How can you tell that a system of linear equations will have infinitely many solutions without computation?

Contact [7]

If you can manipulate the two equations so that they have exactly the same coefficients (e. g., 3x + 4y = 8 and 2x + 4y = 8), then you conclude that the two lines coincide (overlap), and that there are thus infinitely many solutions.

3 0

3 years ago

Write y2 in isolated<br> form.<br> 19x2 + 4y2 = 25

Bogdan [553]

Y=(-19x+5)/4 thats your answer

6 0

3 years ago

The length of a rectangle is 1 cm less than three times the width. If the perimeter of the rectangle is 46 cm find the length an

e-lub [12.9K]

Answer:

Length = 17, Width = 6

Step-by-step explanation:

Let the length be L and width be W.

L = 3W - 1 , and,

2(L + W) = 46 => L+W = 23 => L = 23 - W, putting this into L = 3W - 1

23 - W = 3W - 1

24 = 4W

W = 6

therefore, L = 23 - W = 17

4 0

3 years ago

The following data shows the low temperature in Vancouver, in degrees Celsius, for two weeks in January one year. 8.90, 8.35, 8.

frutty [35]

There is no option of the box plots, so I have created a version that would represent this data.

To make the box plot you will need the lower extreme, lower quartile, median, upper quartile, and upper extreme.

Please see the attached picture.

5 0

3 years ago

Ayana is making six scarves That each require 1 1/4 yards of purple fabric and a certain amount of blue fabric. She will use 10

rodikova [14]

A simple algebraic equation can be utilized to solve this question. Ayana needs $\frac{5}{12}$ yards of blue fabric for each scarf.

Step-by-step explanation:

Step 1; Assume the amount of purple fabric to be x for each scarf and the amount of blue fabric required for each scarf to be y. It says a total of six scarves are needed. It is given that a total of 10 yards of fabric is used i.e. the total of purple fabric and the blue fabric. So we can create an equation for this. As 6 scarves are needed we substitute x and y as 6x and 6y.

Total fabric used= 6x + 6y = 10 yards.

Step 2; It is given that for each and every scarf 1 $\frac{1}{4}$ yards of purple fabric is needed. So for 6 scarves a total of 6 * 1 $\frac{1}{4}$ yards is needed. So 6x becomes 6 * 1 $\frac{1}{4}$ yards.

6x = 6 * 1 $\frac{1}{4}$ yards = 6 * $\frac{5}{4}$ = $\frac{30}{4}$ yards of purple fabric.

Step 3; Now we solve for the amount of blue fabric needed.

6y = 10 - $\frac{30}{4}$ = $\frac{40-30}{4}$ = $\frac{10}{4}$

But the $\frac{10}{4}$ yards is for 6 scarves to we divide it by 6 to get the material needed for a single scarf

y = $\frac{10}{4}$ /6 = $\frac{10}{4}$ * $\frac{1}{6}$ = $\frac{10}{24}$ = $\frac{5}{12}$ yards = 0.4166 yards of blue fabric for each scarf.

8 0

3 years ago