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Ksivusya [100]
3 years ago
7

HELP PLEASE!!!!

Mathematics
2 answers:
mina [271]3 years ago
6 0

Answer:


Step-by-step explanation:

1) Write 8x+14 as 2(4x+7) and now multiply by 1/2 so that we get 4x+7

2)Subtract 7 from both sides

4x+7=39

-7       -7

4x=32

3) Divide by 8

x=8

Thus we get x=8 as answer

So reasons are

i) Distributive property

ii) Subtraction property of equality

iii) Division property of equality

Marat540 [252]3 years ago
6 0

Answer: x = 8

Step-by-step explanation:

1/2(8x+14) = 39 (given)

4x + 7 = 39 (open the bracket)

4x = 39 -7 (collect like term)

4x = 32 (divide bothside by 4)

4x/4 = 32/4

x=8

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Which rate has the same unit rate as 126 miles in 9 hours.
OLEGan [10]

Answer: THE ANSWER IS C

Step-by-step explanation:

5 0
2 years ago
Is the given number a solution of an equation or inequality 3x-4=10;5
kotykmax [81]

The given number is not a solution of the equation i.e. the number is an inequality

<h3>How to determine the solution?</h3>

The equation is given as:

3x- 4 = 10

The number is given as:

5

This means that

x = 5

Substitute x = 5 in 3x- 4 = 10

3 * 5- 4 = 10

Evaluate the product

15- 4 = 10

Evaluate the difference

11 = 10

The above equation is not true i.e. the equation is actually an inequality

Hence, the given number is not a solution of the equation i.e. the number is an inequality

Read more about inequality at

brainly.com/question/24372553

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7 0
2 years ago
10 points if you can answer what percent of 20 <br> Is 0.6
UNO [17]
Dividing 20 by 100 gives us 1%. so 0.2 × 3 = 0.6 so it take 3 0.2s to get to 0.6. meaning 0.6 is 3% of 20.

7 0
3 years ago
21/50 of the seats for the football game have been sold. This is equal to what decimal?
valentinak56 [21]
First make the fraction over 100

21/50(2/2) = 42/100

42/100 = 0.42 

0.42 is your answer

hope this helps
6 0
3 years ago
What i
shusha [124]

Answer:

Answer: B, 6/11

Step-by-step explanation:

<em>Well we know that 3+2+1=6+3=9.</em>

<em>So that means we will add the 2 brown crayons to the denominator.</em>

<em>The denominator before we added 2 to it, it was 9 as a common denominator. If we want to get the common numerator we are going to have to add the top and that will become 9 then you will have to subtract that by 3</em>

<em>6/11 is also the smallest number that you can get.</em>

<em>You can turn the fraction into a decimal and have it that way to make it easier.</em>

<em>When you turn a fraction into a decimal the number is always the same but with comparing numbers it is a lot easier to do than comparing fractions</em>

Hope this helps, and if it did I would appreciate it if you marked me as Brainllest. Have a wonderful day!

6 0
3 years ago
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