3 years ago

Five expressions that are equivalent to 20x + 18

Mathematics

1 answer:

jonny [76]3 years ago

7 0

1) 10x + 9

2) 40x + 36

3) 60x + 54

4) 80x + 72

5) 100x + 90

You might be interested in

What is the best first step to solve 2x - 4 = -2. ???

Nina [5.8K]

first you have to add the -4 to the -2 and you get 2. so 2x=2 then you divide 2 by 2x and get x=1

4 0

3 years ago

HELP PLEASE FOR 35 POINTS!!!! Solve the rational equation 3 divided by x equals quantity 4 times x plus 3 divided by x squared,

denis23 [38]

Answer:

$x=-3$

Step-by-step explanation:

So, we are given:

$\frac{3}{x}=\frac{4x+3}{x^2}$

First, we should immediately rule out 0 as an answer. This is because the if $x=0$ , the equation would be undefined.

$x\neq 0$

Now, cross multiply.

$3(x^2)=x(4x+3)$

$3x^2=4x^2+3x$

Divide everything by x (and we can do this safely because we already know x cannot be equal to zero).

$3x=4x+3$

$-x=3$

$x=-3$

We didn't run into any possibilities for extraneous solutions.

7 0

3 years ago

Suppose that coin 1 has probability 0.7 of coming up heads, and coin 2 has probability 0.6 of coming up heads. if the coin flipp

umka2103 [35]

Answer:

C. 3/8

Step-by-step explanation:

7 0

3 years ago

oblicz pole powierzchni i objętość graniastosłupa prawidłowego czworokątnego o krawędzi 7 cm i wysokości 8 cm

blondinia [14]

Gfgdsjfhvjgdfhfdjkhmfxjsjtdtdfghf

6 0

3 years ago

Someone help please! D:

Dahasolnce [82]

Answer:

D) (10,22)

Step-by-step explanation:

based on given slope and point, the linear equation is <em>y = 9/5x + 2</em>

plugging in x-and-y values only results in a true statement for option D

example:

22 = 9/5(10) + 2

Does 22 = 18 + 2? Yes

6 0

3 years ago