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melamori03 [73]
3 years ago
8

Do these two expressions represent equivalent expressions? Explain why or why not. 36 + 20 4(9 + 5)

Mathematics
2 answers:
Reptile [31]3 years ago
8 0

Answer:

Sample Response: Yes, the expressions are equivalent. If you sum 36 + 20, you get 56. If you simplify 4(9 + 5), you also get 56.

Step-by-step explanation:

the other person was incorrect this was a sample response on edge.

                                                   hope it helps

Keith_Richards [23]3 years ago
4 0

Answer:

they are equivalent

Step-by-step explanation:

because 4 times 9 is 36 and 4 times 5 is 20 so it is equal to 36+20

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Solve the following quadratic by<br> completing the square.<br> y = x2 + 10x + 10
IgorC [24]

Answer:

<h2>         x = -5 - √15    or   x = -5 + √15</h2>

Step-by-step explanation:

y = x^2+10x+10\\\\y=x^2+10x+25-25+10\\\\y=(x+5)^2-15\\\\y=0\quad\iff\quad (x+5)^2-15=0\\\\(x+5)^2=15\\\\x+5=\pm\sqrt{15}\\\\x=-5-\sqrt{15}\quad or\quad x= -5+\sqrt{15}

3 0
3 years ago
0=-20.5x+16.35x-0.1245
Pachacha [2.7K]

The value of x in the given equation -20.5x+16.35x -0.1245 = 0\\ is 0.03

<u>Step-by-step explanation:</u>

The given equation is that -20.5x+16.35x -0.1245 = 0\\

<u>The steps to be followed to solve the equation are :</u>

Add the like terms together to reduce the equation in a simplified form.

Here, there are two x terms and they must be reduced to a single term.

For this, add the both terms together so that the equation is simplified into one x term and a constant term.

⇒ (-20.5x+16.35x) - 0.1245 = 0

⇒ 4.15x-0.1245 = 0

To eliminate the constant term on the left side of the equation, add 0.1245 on both sides.

⇒ 4.15x -0.1245+0.1245 = 0.1245

⇒ 4.15x = 0.1245

Now, the equation is further simplified by dividing 4.15 on both sides,

⇒ 4.15x / 4.15 = 0.1245/4.15

⇒ x = 0.03

Therefore, the value of x is 0.03

7 0
3 years ago
Help no explanation just answers plz, theres no multi choice
maxonik [38]

Answer:

A b or c

Step-by-step explanation:

Easy shahhshhshs free points hehe

4 0
3 years ago
What percent is 608 million of 845 million
boyakko [2]
In order to solve that, let's call 845 100%, as we're solving it terms of 845. 845 is 100%, then it follows that 8.45 is 1%. 

Now we can see how many 8.45's go into 608, which comes out to 71.95266...%, which can be rounded nicely to 72%

The million doesn't matter.
5 0
3 years ago
Solve the equation=3x =15​
kati45 [8]

3x = 15

x = 15/3

x = 5

8 0
2 years ago
Read 2 more answers
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