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2 years ago

What is the value of x in the solution

Mathematics

1 answer:

krok68 [10]2 years ago

6 0

Answer:

$x =\dfrac 47$

Step-by-step explanation:

$~~~~~9x-1 = 2x+3\\\\\implies 9x -2x = 3+1\\\\\implies 7x = 4\\\\\implies x =\dfrac 47$

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Suppose the volume of a cylinder is 169.65 ft cubes and the height is twice the radius what is the radius of the cylinder.

Delvig [45]

Answer:

The radius of the cylinder is $r=3\ ft$

Step-by-step explanation:

we know that

The volume of the cylinder is equal to

$V=\pi r^{2} h$

we have

$V=169.65\ ft^{3}$

$h=2r\ ft$

assume

$\pi=3.14$

substitute the values and solve for r

$169.65=(3.14)r^{2} (2r)$

$169.65=(6.28)r^{3}$

$r^{3}=169.65/(6.28)$

$r=3\ ft$

3 0

3 years ago

Please let me know all of the following that applies, thank you in advance.

kramer

Answer: A. EOA and DOS and also

B. SOE and DOA

Step-by-step explanation:

If you look at angle EOA without regarding line OB, you will notice that it is directly opposite to angle DOS.

The same applies for angle SOE and DOA so they are vertically opposite.

3 0

3 years ago

Find the value (18 9) / 3d for d=3

Alexeev081 [22]

Assuming that you ment- (18*9)/3d where d=3 you would follow PEMDAS-
Parentheses
Exponents
Multiplication-Division (in order from right to left)
Addition-Subtraction (in order from right to left)
1. Parentheses- (18*9)=162
2. Solve your variables- 3d (3*3)=9
Giving you- 162/9
3. Solve-162/9=18

7 0

3 years ago

Look at image please

Kay [80]

Answer:

Step-by-step explanation:

It begins at the point (0, -1200). 0 tickets sold, $1200 spent.

$5 for a ticket means that slope =5.

(600, 1800) and (0,-1200)

m= (1800-(-1200))/(600-0)=3000/600=5

slope=5

Answer is a.

8 0

3 years ago

Find the surface area of the following cylinder. Round your answers to the nearest tenth.

Katarina [22]

Answer: 628

Step-by-step explanation:

2πr^2+2πrh

2(3.14)(5)^2+2(3.14)(5)(15)

2(3.14)(25)+2(3.14)(75)

2(78.5)+2(235.5)

157+471

628

5 0

3 years ago