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lyudmila [28]
1 year ago
8

What property is (3x+7)+(2x+8)=3x+7+2x+8

Mathematics
1 answer:
Alex_Xolod [135]1 year ago
4 0

Answer:

distributive property

Step-by-step explanation:

(3x + 7) + (2x + 8)

each of the parenthesis has a multiplier of 1 , placed outside the parenthesis.

then multiplying the terms inside the parenthesis by 1 gives

3x + 7 + 2x + 8

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The population of California is 3.7 x 107 people. The population of Colorado is 5.0 x 106 people. What is the difference in size
zalisa [80]

Answer:

Step-by-step explanation:

3.7 × 107 = 395.9

5.0 × 106 = 530

530 - 395.9 = 134.10

6 0
3 years ago
What is the domain of f(x) 5^x-7?
kherson [118]
Domain is the set of number you can use for x we can use any number for x the domain is all real numbers answer is last one
3 0
3 years ago
Which of the following is the solution set to the equation: 2x(x-3)(4x+1)=0?
Troyanec [42]

Answer:

(1) {-1/4, 0, 3}

Step-by-step explanation:

Step 1: Factor left side of equation.

2x(4x+1)(x−3)=0

Step 2: Set factors equal to 0.

2x=0 or 4x+1=0 or x−3=0

x=0 or x= −1/4 or x=3

3 0
3 years ago
Please tell me how you got it.
yawa3891 [41]

<u>Answer-</u>

-70\%

<u>Solution-</u>

The given data as follows,

-70\%,\ 0.34,\ -\dfrac{2}{5},\ 0.96\%

After converting all the percentages and fractions to decimal, we can compare them all.

For converting percentages to decimal to divide the number by 100, so

-70\%=\dfrac{-70}{100}=-0.70,\\\\0.96\%=\dfrac{0.96}{100} =0.0096

Then converting the fraction into decimal,

-\dfrac{2}{5}=-\dfrac{2\times 20}{5\times 20}=-\dfrac{40}{100}=-0.40

As, all the numbers are converted into decimal, now comparing all the numbers,

-0.70

-70\%

8 0
2 years ago
-2x-9y=-25 -4x-9y=-23
goldfiish [28.3K]
So to start this off you would add 9y to both sides of the equation and then you regroup it which gives you <span>−2x=−25+9y and then you regroup the terms and get -2x=9y-25 and then you dived both sides by -2 and get x=9y-25/-2 then you simplify and so on 

but at the end you should get x=-1 and y =3
</span><span><span>




</span></span>
8 0
3 years ago
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