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Yuki888 [10]
4 years ago
9

Simplify 7(x+3) I am in 7th grade

Mathematics
2 answers:
Marina86 [1]4 years ago
5 0
7(x+3)
= 7x+ 7*3 (distributive property)
= 7x+ 21.

The final answer is 7x+21~
svp [43]4 years ago
5 0
U only hav to multiply the 7 with the values in the brackets 
so 
7(x + 3)
7 × x    +   7 × 3 
7x        +   21 
7x + 21 is ur answer
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Answer:

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Step-by-step explanation:

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Find the sum of the sequence. 42+43+44+45+...+107
8090 [49]

Answer:

4917

Step-by-step explanation:

<u>Given sequence: </u>

  • 42, 43, 44, 45, ..., 107

This is AP with common difference of 1, the first term of 42 and the last term of 107

<u>Number of terms:</u>

  • 107 - 42 + 1 = 66

<u>Sum of the terms:</u>

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<u>Answer is:</u> 4917

8 0
3 years ago
Is this equation an infinite solution, no solution, or one solution?? 7(2+5x) = 3x + 14
shusha [124]

Answer:

One Solution

Step-by-step explanation:

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7 0
3 years ago
19√$1143.8<br>can anyone solve this
IrinaK [193]
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642.58213482 = 642.58 = $642.58

Answer: <span>642.58

Hope this helps!

</span>
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