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Vera_Pavlovna [14]
3 years ago
9

Which expressions are equivalent to 7b(3+c) ?

Mathematics
2 answers:
TEA [102]3 years ago
5 0

Answer:

21b+7bc

(7b⋅3)+(7b⋅c)

Step-by-step explanation:

7b(3+c)

distribute

7b* 3 + 7b *c

21b + 7bc

Alex777 [14]3 years ago
4 0

Answer:

The correct answer is B- 21b+7bc

Step-by-step explanation:

7b(3+c)

(7b)(3+c)

(7b)(3)+(7b)(c)

21b+7bc

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3 years ago
Round to the neast 80
Paul [167]
It would still be 80

Example:
<span>14,494 </span>
<span>To round off the height value to the nearest thousand we can use the expanded from to clarity the position of numbers which is: </span>
<span>10, 000 = ten thousand </span>
<span>4, 000 = thousands </span>
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3 0
3 years ago
Read 2 more answers
If m = 16 and n = 4, what is the value of the following expression?<br> m - 2 • n + 2
Elan Coil [88]

Answer:

10

Step-by-step explanation:

Use PEMDAS to rewrite the equation as:

m - (2 * n) + 2 =

16 - (2 * 4) + 2 =

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10

7 0
3 years ago
Read 2 more answers
How do you plan to use Math in the future? <br><br> No links<br> Need this ASAP
Sonbull [250]

Answer:

it's a philosophy

Step-by-step explanation:

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6 0
2 years ago
a furniture shop refinshes cabinets. employees use one of two methods to refinish each cabinet. method 1 takes 1 hour and the ma
Margaret [11]

Answer:

70 cabinets in method 1 and 24 cabinets in method 2.

Step-by-step explanation:

Let in method 1 they refinish x cabinets and in method 2 they refinish y cabinets.

Now, given that method 1 and method 2 takes 1 hour and 1.5 hours respectively and the material costs for method 1 and method 2 are $6 and $4 respectively.

If they plan to spend 106 hours in labour and $516 in material for refinishing cabinets, then

x + 1.5y = 106 ...... (1) and  

6x + 4y = 516 ....... (2)

Now, solving equations (1) and (2), we get  

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From equation (1) x = 106 - 1.5y = 106 - 36 = 70 cabinets. (Answer)

3 0
3 years ago
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