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vlada-n [284]
3 years ago
13

7x+3+6x+11 can u give a example of how to solve it

Mathematics
2 answers:
zysi [14]3 years ago
8 0
Ok, so the first thing you should do is collect like-terms.


7x+3+6x+11

Combine 7x and 6x ---> You'll get 13x.


So it'll be 13x + 3 + 11

Now you'll combine 3 + 11 and you'll get 14.

The answer should be 13x + 14


I hope this helped ^^*
yKpoI14uk [10]3 years ago
7 0

Combine like terms.

Since 7x and 6x both have a variable of x, you can combine them.

7x + 6x = 13x

After that, you are left with:

13x + 11 + 3

You also have two numbers without variables; 11 and 3. You can also combine those.

11 + 3 = 14

So, your final answer would be:

13x + 14

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7.29 divided by 90 is ?
muminat

Answer:

<u>0.081</u>

Step-by-step explanation:

7.29 divided by 90 = <u>0.081</u>

6 0
2 years ago
Kelko will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $57 and cost an add
Delicious77 [7]

Questions (contd)

(a) For what amount of driving do the two plans cost the same?

(b) What is the cost when the two plans cost the same?

Answer:

(a) 100 miles

(b) $65

Step-by-step explanation:

Given

Plan 1:

Initial\ Fee = \$57

Additional = \$0.08 per mile

Plan 2:

Initial\ Fee = \$50

Additional = \$0.10 per mile

Solving (a): Number of miles when both plans are equal

Represent the distance with x and the cost with y

So:

Plan 1:

y = 57 + 0.08 * x

Plan 2:

y = 50 + 0.10 * x

To solve (a), we equate both plans together; i.e.

y = y

57 + 0.08x = 50 + 0.10x

Collect Like Terms

0.08x - 0.10x= 50 - 57

-0.02x= -2

Solve for x

x = -2/-0.02

x = 100

Hence, 100 mile would cost both plans the same

Solving (b): Cost when both plans are the same:

In this case, we simply substitute 100 for x in any of the y equation.

y = 57 + 0.08 * x

y = 57 + 0.08 * 100

y = 57 + 8

y = 65

<em>Hence, the amount is $65</em>

7 0
2 years ago
There are 3 basketball leagues.Each league has 8 teams.each team has 13 players.how many players are in all 3 leagues?
Alona [7]

Answer:

312

Step-by-step explanation:

its easy

5 0
2 years ago
Calculate the size of ?
LUCKY_DIMON [66]

Answer:

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Step-by-step explanation:

6 0
2 years ago
How do you model a decimal using a fraction
stiks02 [169]
Okie dokie, 
When converting a decimal, you use the place the decimal is in...
Let's review the places: tenths, hundredths, thousandths, etc.
You look at the last number to determine what place you're using!
-------------------
Now here's an example for the tenths place:
.5
it's in the tenths place, right? so put it over that number (with no decimal) over a 10.
(mobile) 5/10 or \frac{5}{10}
Now, decide if you can simplify. You can! 5/10 simplifies down to 1/2.
\frac{1}{2} is your answer!
--------
Example for the hundredths place:
.26
the last number is in the hundredths place, so put the number (without a decimal) over 100!
26/100 or \frac{26}{100}
You can simplify this!
13/50 is your answer!

Calculators can also come in handy!
Good luck!

4 0
3 years ago
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