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2 years ago

Use multiplication to find three ratios equivalent to 8:12

Mathematics

2 answers:

schepotkina [342]2 years ago

7 0

16:24
24:36
32:48
Those are possible answers but to solve it you just multiply each side by any number

tatyana61 [14]2 years ago

4 0

Ok so 8:12 can be 8 to 12, or 8\12

do that help?

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A cylinder has a height that is twice the length of the diameter. The diameter of the cylinder is 10 centimeters. What is the su

siniylev [52]

Answer:

Step-by-step explanation:

Givens

pi = 3.14

d = 10 cm

h = 2*d

Formula

The top of the cylinder is a solid circle. So the area of the circle is pi r^2
There is both a top and bottom to the circle so the fomula is 2*pi*r^2

The surrounding area of the cylinder is the circumference of the circle times the height. The circumference of the circle is 2*pi*r.
Then you just multiply by the height.
formula = 2*pi * r * h

The combined formula is given below.

SA = 2*pi*r^2 + 2*pi*r * h

Conversions

d = 10 cm

h = 2*10

h = 20 cm

r = d/2

r = 10 / 2

r = 5cm

Solution

SA = 2*pi*r^2 + 2*pi*r * h

SA = 2*3.14*5^2 + 2*3.14*5*20

SA = 157 + 628

SA = 785 cm^2

Answer: The surface area is 785 cm^2

5 0

1 year ago

Who ever gets this right will get a brainlest

zepelin [54]

Answer:

<1 and <2

<3 and <2

<1 and <4

Step-by-step explanation:

Adjacent angles are angles that are next to each other. In essence, they would share one aside in common. In this problem, the answers are the following,

<1 and <2

<3 and <2

<1 and <4

5 0

2 years ago

Read 2 more answers

3 (x - 3) + x (r + 4)

docker41 [41]

Answer:

Step-by-step explanation:

3(x-3)+x(r+4)

3x-9+xr+4x

7x+9+xr

7 0

2 years ago

How far can jovan run in a full hour

yKpoI14uk [10]

2/3(4/3)= 8/9

Jovan ran 8/9 of a mile in a full hour.

Hope this helps!

4 0

2 years ago

I’m stuck can some one help me

abruzzese [7]

Answer:

3) Midpoint is (-4,0.5)

Option A is correct.

4) Midpoint is (2.5,0)

Option B is correct.

5) The factors are (x+4)(x-7)

Option C is correct.

6) The factors are (x+4)(x+2)

Option A is correct.

Step-by-step explanation:

Question 3

Find midpoint of the following:

(2,-7), (-10,8)

The formula used to find midpoint is: $Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )$

We have $x_1=2, y_1=-7, x_2=-10,y_2=8$

Putting values and finding midpoint

$Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )\\Midpoint=(\frac{2-10}{2},\frac{-7+8}{2} )\\Midpoint=(\frac{-8}{2},\frac{1}{2} )\\Midpoint=(-4,0.5 )$