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Vladimir79 [104]
3 years ago
6

Solve the proportion below. 9/x=1/2

Mathematics
1 answer:
KiRa [710]3 years ago
6 0

Answer:

X=18

Step-by-step explanation:

\frac{9}{x}  =  \frac{1}{2}  \\ 9 \times 2 = x \times 1 \\ x = 18

Here you have to use cross multiplication

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A rental car company is running two specials. Customers can pay $40 to rent a compact car for the first day plus $6 for each add
Flura [38]

Answer: she wants to rent the car for 11 days.

Step-by-step explanation:

Let x represent the number of additional days that Pamela wants to rent the car for.

Customers can pay $40 to rent a compact car for the first day plus $6 for each additional day. This means that the total cost of using this special for x days would be

40 + 6(x - 1) = 40 + 6x - 6

= 34 + 6x

Also, they can rent the same car for $30 the first day and $7 for every additional day beyond that. This means that the total cost of using this special for x days would be

30 + 7(x - 1) = 30 + 7x - 7

= 23 + 7x

Since she found out that the two specials are equivalent for x days, then

34 + 6x = 23 + 7x

7x - 6x = 34 - 23

x = 11

4 0
3 years ago
I need 2-4 please & show step by step explanation ( show the work ) please!
Likurg_2 [28]

Answer:

i don't know go on your browser

Step-by-step explanation:

3 0
3 years ago
Solve: x + 3 = -x + 7 (5 points)
makvit [3.9K]

Answer:

x = 2

Step-by-step explanation:

x + 3 = -x + 7

Add x to each side

x+x + 3 = -x+x + 7

2x+3 = 7

Subtract 3 from each side

2x = 7-3

2x = 4

Divide by 2

2x/2 = 4/2

x = 2

7 0
3 years ago
Read 2 more answers
ike tossed a coin several times and recorded the number of heads and tails in the following table: Coin Experiment Side of Coin
UkoKoshka [18]

The correct answer is 0.48 because as you can tell the probability of it landing on heads is just a little bit below the probability of getting tails. Hope I helped!

8 0
3 years ago
F(x) = x2 + 9, g(x) = *square root of* x + 8, <br><br> find g(f(x))
ICE Princess25 [194]

Answer:

  g(f(x)) = √(x^2 +17)

Step-by-step explanation:

For ...

  f(x) = x^2 +9

  g(x) = √(x +8)

The definition of g(f(x)) is ...

  g(f(x)) = g(x^2 +9) = √((x^2 +9) +8)

  g(f(x)) = √(x^2 +17)

6 0
3 years ago
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