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Zanzabum
3 years ago
12

Given that 7x – 2y = 30

Mathematics
1 answer:
weeeeeb [17]3 years ago
8 0

Answer:

x=32/7

Step-by-step explanation:

7x-2(1)=30  Plug in 1 as y and simplify.

7x-2=30     Add 2 on both sides of the equation.

  <u>+2 +2</u>

7x=32         Divide both sides of the equation by 7.

<u>/7   /7</u>

x=32/7

Hope this helps...have an amazing day (。・∀・)ノ゙

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Subtract 3x + 2 from 8x + 9.​
kirill115 [55]

Answer:

5x+7

Step-by-step explanation:

Subtract like terms

(8x+9)-(3x+2)

8x-3x=5x

9-2=7

5x+7 should be your answer I believe

3 0
3 years ago
Convert 100110 base two to a number in base three​
Lostsunrise [7]

Convert to base 10:

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4 0
3 years ago
C an somebody please tell me what 9+10 is?
Mekhanik [1.2K]

' 9 + 10 ' is a simple exercise in addition.  Its solution is  19 .

There is junk floating around the internet saying that 9+10=21.
That statement is false, and the arithmetic is wrong.
The whole thing is a joke.  If you ask someone to prove it, they will
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5 0
4 years ago
What is the mean of 13,6,8,6,15
Luden [163]

Hey there!

To start, the mean of the answer is also known as the average value of a set of numbers. This is calculated by dividing the sum of the set by the total amount of numbers.

In this case the sum of all the numbers is 13 + 6 + 8 + 6 + 15 which is equal to 48.

Now, divide 48 by the total number of numbers in the set: 48/5 = 9.6

Your final answer should be 9.6, or you can leave it in fraction form as 48/5.

Hope this helps!

4 0
3 years ago
Read 2 more answers
Is this correct? - giving brainly if you did check!​
Naddik [55]

Answer:

Correct

Step-by-step explanation:

8 0
3 years ago
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