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garik1379 [7]
3 years ago
13

9x-5 if the x equal 5

Mathematics
1 answer:
andre [41]3 years ago
7 0

Answer:

= 40

Step-by-step explanation:

Substitute the variable.

9(5)-5

Multiply.

45-5

Subtract.

= 40

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The table shows the charges for using an internet service. Nicholas use the internet service for 16 hours and 40 Minutes last mo
yanalaym [24]

Answer:

<u>A. Nicholas will have to pay less using plan A</u>

<u>B. He will pay US$ 4 less than plan B</u>

Step-by-step explanation:

Let's compare how much Nicholas will pay on internet service in Plan A and plan B, after using it 16 hours and 40 minutes.

Plan A

Up to 10 hours = US$ 6

Every subsequent 1/2 hour: $1

10 hours + 14 (1/2 hour)

<u>Nicholas will pay 6 + 14 * 1 = US$ 20</u>

Plan B

Up to 12 hours = US$ 4

Every subsequent 1/2 hour: $2

12 hours + 10 (1/2 hour)

<u>Nicholas will pay 4 + 2 * 10 = 24</u>

7 0
3 years ago
Which of the following is equal to 51/3?
oee [108]
51/3 is equal to 17 hope it helps
7 0
3 years ago
Read 2 more answers
A total of 243 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t
alina1380 [7]

Answer:

81 adult tickets

Step-by-step explanation:

Step 1:

Set up a system of equations

Since the adult tickets and student tickets add to 243, we can do

a+s=243

and the student tickets sold were 2x the adult tickets, we can do

s=2a

We can replace s in the first equation adding to 243 with 2a

a+s(2a)=243\\3a=243\\

Step 2:

Solve for a. We can divide both sides by 3.

a=81

Therefore, there were 81 adult tickets sold.

Step 3:

We can check our work! Since we learned earlier the student tickets are 2x adult tickets, we can multiply 81 by 2 and add that to 81 to see if it equals 243!

s=2a\\s=2(81)\\s=162

And...

162+81=243

So, 81 must be the answer!

8 0
2 years ago
Read 2 more answers
0.193 ? 0.65<br>A. &lt;<br>B. =<br>C. &gt;​
Leviafan [203]

Answer:

A

Step-by-step explanation:

The answer is A, reason why is because if you add a 0 to the end of the number 0.65, the problem would then say; 0.193 < 0.650. So, if you take off the 0. on the front of both decimals it would then say 193 < 650 and 650 is greater than 193.

4 0
4 years ago
Elevate 6 x when x equals 10
Vinvika [58]
6x

x=10

So replace "x" in 6x with 10 and you get,

6(10)

It can be seen as

6 x 10

and 6 x 10 is 60.

So your answer would be 6x = 6(10) = 60
6 0
3 years ago
Read 2 more answers
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