13.

Mathematics

1 answer:

Art [367]3 years ago

8 0

Step-by-step explanation:

or, 10x-15 + 14x + 4 =37

or, 24x -11 =37

On solving

x = 2

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Look at the cups shown below (please note images are not drawn to scale):

Andrews [41]

Cup A

Formula

V = 1/3 pi r^2 h

Givens

r = d/2 = 2/2 = 1 inch

pi = 3.14

h = 4 inches

Solution

V = 1/3 * 3.14 * 1^2 * 4

V = 4.187

Cup B

Formula

V = pi * r^2 * h

Givens

pi = 3.14

r = d/2 = 2/2 = 1

h = 6

Solution

V = pi * r^2 * h

V = 3.14 * 1^2 * 6

V = 18.84

Answer

VB - VA = 18.84 cu in - 4.187 = 14.65 = 14.7 Rounded.

Answer C

4 0

3 years ago

6 + 3x = 2(2 + x) What is this answer I need help please anytime soon

Aloiza [94]

6+3x = 2(2 + x)

First we will need to open the parenthesis by multiplying the number that’s in front of them:

6+3x=4+2x

Now we need to separate the numbers from the X. By subtracting 2x from both sides:

6+3x=4+2x
-2x -2x
————————
6+x=4

Now we subtract 6 from both sides.

6+x=4
-6 -6
—————
X = -2

5 0

3 years ago

Question 15: Given l∥m, find the value of x.

Airida [17]

Answer:

x=8

Step-by-step explanation:

the addition of all the angles must equal 360(the 4 angles on the intersection) degrees

125+125=250

360-250=110

110/2=55

7*8-1=55