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3 years ago

PLEASE HELP ME WITH THIS 17 points!! PLEASEEEE IM BEGGING YOU!!!

Mathematics

2 answers:

slega [8]3 years ago

7 0

Answer:

x = 2

Step-by-step explanation:

Step 1: Convert to math

5x + 1 = 3x + 5

Step 2: Solve for x

Subtract 4x on both sides: 2x + 1 = 5
Subtract 1 on both sides: 2x = 4
Divide both sides by 2: x = 2

Step 3: Check

Plug in x to verify it's a solution.

5(2) + 1 = 3(2) + 5

10 + 1 = 6 + 5

11 = 11

Serga [27]3 years ago

3 0

Answer:

Step-by-step explanation:

there are 5 x's and 1 positive one of the left side, and 3 x's and five positive one's on the right side. when you put this into an equation, you get:

5x+1 = 3x+5

the first step to solving the equation is to subtract 3x from both sides:

5x+1 -3x = 3x+5 -3x

2x+1 = 5

next, subtract 1 from both sides:

2x+1 -1 = 5 -1

2x=4

finally, divide both sides by 2:

2x ÷2 = 4 ÷2

x=2

and the answer is: 2

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The volume of clay used to build a cylindrical pillar with a height of 9 centimeters is 324 pi cubic centimeters. The area of th

Marta_Voda [28]

Answer:

36 (Fill 3 in the blank)

Step-by-step explanation:

Given:

Volume of a cylinder = 324 π

Height = 9 cm

The formula to find the volume of a cylinder = Base area * height.

Base is a circle. So the area of a circle = πr^2

Volume of the cylindrical pillar = πr^2 h

324 π = πr^2 . 9

πr^2 = 324 π /9

πr^2 = 36 π

The area of the base = 36 π

Thank you.

7 0

3 years ago

Read 2 more answers

Quadrilateral ABCD has the following vertices:

GenaCL600 [577]

9514 1404 393

Answer:

yes

Step-by-step explanation:

The figure can be shown to be a parallelogram by showing the sum of endpoints of the diagonals is the same.

A +C = B +D

(0, 6) +(0, -4) = (0, 2) = (3, 5) +(-3, -3) . . . . diagonals bisect each other

If the diagonals of a quadrilateral bisect each other, it is a parallelogram. A parallelogram with a right angle is a rectangle. So, ABCD is a rectangle.

_____

Additional comment

The midpoint of each diagonal is half the sum of the end point coordinates. That is, the midpoints are (0, 2)/2 = (0, 1). Since calculation of the midpoints requires both sums be divided by 2, we can tell the midpoints are the same if the sums are the same.