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OLga [1]
3 years ago
6

7n-(4n-3) simply to create a equivalent expression?

Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0

Answer:

3n + 3

Step-by-step explanation:

Step 1:

7n - 4n + 3

Answer:

3n + 3

Hope This Helps :)

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Jane needs to pay $36 for 2 basketballs, how much she needs to pay 3 basketballs?​
OLga [1]

36 divided by 2 is 18

That mean each basketball is $18

18 dollars multiplied by 3 basketballs is 54

Three basket balls cost $54

5 0
3 years ago
Read 2 more answers
William bought some tickets to see his favorite singer. He bought some adult tickets and some children tickets, for a total of 1
Viefleur [7K]
Hello!

Let 'a' stand for adult tickets and 'c' for children tickets.

a + c = 15

(Both adult and children tickets make up a total of 15 tickets).

30a + 20c = 330

a = 3

c = 12

A N S W E R:

William bought 3 adults tickets and 12 children's tickets.

5 0
3 years ago
Help, guys I have NO CLUE how to do this
Nikitich [7]
Subtract c and then x = y - c

And that's it!
3 0
3 years ago
Read 2 more answers
Find the distance between-10,-13 and 20,-13
Ray Of Light [21]

Answer:

the distance between these 2 would be 30 units

Step-by-step explanation:

Lets ignore the -13 for now because it doesn't have anything to do with the question

Now simply just add 10+ 20 (i took out the negative because it doesn;t make sense)

10+20

=30

plz brainliest :'D

4 0
3 years ago
A kite flying in the air has a 12 - ft line attached to it. its line is pulled taut and casts a 10 - ft shadow. find the height
tekilochka [14]

The height of the kite will be 6.6 ft rounded to the nearest tenth.

<u><em>Explanation</em></u>

According to the below diagram, AB is the height of the kite and AC is the 12 ft line attached to it.

The line is pulled taut and casts a 10 ft shadow. That means BC = 10 ft

Now, in right angle triangle ABC, using <u>Pythagorean theorem</u>....

(AB)^2 +(BC)^2 = (AC)^2 \\ \\ (AB)^2 +(10)^2 = (12)^2 \\ \\ (AB)^2 +100 = 144\\ \\ (AB)^2 = 144-100 =44\\ \\ AB=\sqrt{44}= 6.6332....

So, the height of the kite will be 6.6 ft rounded to the nearest tenth.

6 0
3 years ago
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