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Olenka [21]
3 years ago
6

URGENT Match each ratio of the volumes of two solids to the pair of solids it represents.

Mathematics
1 answer:
Anarel [89]3 years ago
4 0
1. cylinder to cone:
  (πr^2h)/((1/3)πr^2h) = 3:1

2. sphere to cylinder:
  ((4/3)πr^3)/(πr^2h) = 4r:3h

3. cone to sphere:
  ((1/3)πr^2h)/((4/3)πr^3) = h:4r

4. hemisphere to cylinder:
  half the ratio of sphere to cylinder = 2r:3h
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Point C is on line segment \overline{BD} BD . Given BC=x+4,BC=x+4, CD=5x,CD=5x, and BD=5x+7,BD=5x+7, determine the numerical len
aleksandrvk [35]

Answer:

CD = 15

Step-by-step explanation:

Given

BC = x + 4

CD = 5x

BD = 5x + 7

Required

Determine CD

Since Point C is on segment BD, then we have

BD = BC + CD

Substitute x + 4 for BC; 5x for CD and 5x + 7 for BD

5x + 7 = x + 4 + 5x

Collect Like Terms

5x - 5x - x = 4 - 7

- x = -3

Multiply both sides by -1

x = 3

Substitute 3 for x in CD = 5x

CD = 5(3)

CD = 15

<em>Hence, the length of CD is 15 units</em>

6 0
3 years ago
Read 2 more answers
Pls help:( i’ll mark brainlest!
12345 [234]

;-;

Step-by-step explanation:

8 0
3 years ago
What is the equation of the line passing through the points (–25, 50) and (25, 50) in slope-intercept form?
allochka39001 [22]

The equation of the line passing through the points (-25, 50) and (25, 50) in slope-intercept form is <u>y = 50</u>. Hence, <u>4th option</u> is the right choice.

The slope-intercept form of a line is written as y = mx + b, where m is the slope of the line, and b is the y-intercept.

The slope of a line passing through the points (x₁, y₁) and (x₂, y₂) can be calculated using the formula, slope (m) = (y₂ - y₁)/(x₂ - x₁).

Therefore, slope of the line passing through the points (-25, 50) and (25, 50) can be calculated as m = (50 - 50)/(25 - (-25)) = 0/(-50) = 0.

We can find the equation of the line using the point-slope formula, according to which, a line having a slope m and passing through the point (x₁, y₁) can be written as y - y₁ = m(x - x₁).

Therefore, the equation of the given line can be written as:

y - 50 = 0(x - 25)

or, y - 50 = 0,

or, y = 50.

Therefore, the equation of the line passing through the points (-25, 50) and (25, 50) in slope-intercept form is <u>y = 50</u>. Hence, <u>4th option</u> is the right choice.

Learn more about the equation of a line at

brainly.com/question/18831322

#SPJ10

3 0
2 years ago
Solve for x.<br><br> 2/3(x−7)=−2
zaharov [31]
2/3x - 14/3 = -2
3(2/3x - 14/3) = -2(3)
           2x - 14 = -6
                   2x = -6 + 14
                   2x = 8
                     x = 8/2
                     x= 4

hope this helps :)



5 0
4 years ago
Read 2 more answers
What is the range of y=2(x+7)^2-5?
strojnjashka [21]

Answer:

15.5 I think

Step-by-step explanation:

welp

4 0
3 years ago
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