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prohojiy [21]
3 years ago
9

What is a equivalent expression for 4(x+7) -9

Mathematics
2 answers:
avanturin [10]3 years ago
8 0

Answer:

4x+28-9

Step-by-step explanation:

4 times x and 7 - 9

ryzh [129]3 years ago
7 0

Answer:

4x+19

Step-by-step explanation:

You have to distribute 4 to x and 7, making 4x and 28. Then you subtract 9 from 28. This makes 4x+19 as the final answer

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How do you know that the systems of equations are consistent? How do you know that they are independent?
Shalnov [3]

Answer:

If a system has at least one solution, it is said to be consistent. If a consistent system has exactly one solution, it is independent.

Step-by-step explanation:

3 0
3 years ago
I have 1 word problem and a math problem. (word prob)A light-year is the distance that light travels in a year and is equivalent
Sati [7]

Answer:

1. 9461000000000

move the desimal in 9.461 12 places to the right to get:

9461000000000

2.

5.85 x 10^-3,

2.5 x 10^-1,

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8.5 x 10^12

the smallest exponent is the smallest. Since 8.5 x 10^8 and 3.6 x 10^8 have the same exponent, go to the desimal

6 0
3 years ago
-v + 5 + 4v = 1 + 5v + 3
leonid [27]
5+4v-v=1+3+5v
5+3v=4+5v
minus 3v both sides
5+3v-3v=4+5v-3v
5+0=4+2v
5=4+2v
minus 4 both sides
5-4=4-4+2v
1=0+2v
1=2v
divide both sides by 2
1/2=v
3 0
3 years ago
Read 2 more answers
Explain why should record a 1 in the tens column when you regroup in an addition problem
daser333 [38]
Well you only do that when you are in the ones place and you have to regroup a 1in the tens place if you go past 19 then you are going to have to regroup a 2
8 0
3 years ago
Identify three of the key messages used by advertisers when promoting their products.
Dmitry_Shevchenko [17]

Answer:

Three key messages often used are: 1. "Everyone is doing it"; 2. "It's fun to use our products"; 3. "You will be successful if you use our products."

Step-by-step explanation:

hope it helps

4 0
3 years ago
Read 2 more answers
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