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Lesechka [4]
3 years ago
13

5(x+1)=20 What is is the answer?

Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
3 0

Steps to solve:

5(x + 1) = 20

~Distributive property

5x + 5 = 20

~Subtract 5 to both sides

5x + 5 - 5 = 20 - 5

~Simplify

5x = 15

~Divide 5 to both sides

5x/5 = 15/5

~Simplify

x = 3

Best of Luck!

seropon [69]3 years ago
3 0

Answer: x = 3

Step-by-step explanation: To solve this equation for <em>x,</em> our first step is to distribute the 5 through the parentheses on the left side.

5 times <em>x</em> is 5x and 5 times 1 is 5.

So we have 5x + 5 = 20.

Next, we need to isolate the <em>x</em> term by subtracting 5 from both sides of the equation to get 5x = 15.

Finally, we divide both sides of the equation by 5 to get <em>x = 3 </em>which is the solution to our equation.

It's very easy to make careless mistakes when using the distributive property so make sure to check your answer.

In this problem, to check our answer, we substitute 3 back in for <em>x</em> in the original equation and we have 3 + 1 which is 4 and 5 x 4 which is 20 so our answer checks.

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3 years ago
Need help ASAP!!!!Make sure you can explain your answer
SCORPION-xisa [38]

Answer:

see below

Step-by-step explanation:

point A(x,y) becomes A'(-x,-y).

So point E (-3,-5) becomes  E'( 3,5)

F (-1,-1) becomes F'(1,1)

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8 0
3 years ago
The annual expenditure of the US federal government is approximately 4 44 trillion dollars. If a one dollar bill is 0 . 0 0 0 1
kaheart [24]

Answer:

<em>A stack of 4 trillion one dollar bills will be  4\times 10^8 meters.</em>

Step-by-step explanation:

The annual expenditure of the US federal government is approximately 4 trillion dollars.

We know,  1 trillion dollars = 10¹² dollars.

So,  4 trillion dollars =(4\times 10^1^2) dollars.

Each one dollar bill is 0.0001 meters thick.

So, the total height of the stack of 4 trillion one dollar bills will be.....

[0.0001\times(4\times 10^1^2)]meters\\ \\ =[10^-^4\times(4\times 10^1^2)]meters\\ \\ =(4\times 10^8) meters


6 0
3 years ago
A boat travels upstream for 48 miles in 3 hours and returns in 2 hours traveling downstream in a river. What is the rate of the
alekssr [168]

Answer:

20 mph and 4 mph

Step-by-step explanation:

GIVEN: A boat travels upstream for 48 miles in 3 hours and returns in 2 hours traveling downstream in a river.

TO FIND: What is the rate of the boat in still water and the rate of the current.

SOLUTION:

Let the speed of boat in still water be s and speed of current be a.

\therefore speed of water in upstream =s+a

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As  speed=\frac{distance}{time}

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s=20\text{ mph}

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3 0
3 years ago
4 (4b + 3) + 2b = 3 (6 - 11)
erma4kov [3.2K]
Solve for b?
1. Distribute “4(4b+3)” and “3(6-11)”
16b+12+2b=18-33

2. combine like terms
18b+12=-15
18b=-27
b=-27/18

3. simplify
b=3/2
7 0
2 years ago
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