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lutik1710 [3]
3 years ago
10

6th grade math :) help me please!

Mathematics
1 answer:
yuradex [85]3 years ago
8 0

Answer:

  1. b) 7r +r +2
  2. d) 3u +1 +7y

Step-by-step explanation:

Identify the variable in each term. If two or more terms have the same variable, they are "like" terms.*

1) Like terms are found in selection b. They are 7r and r.

__

2) The variables in selection d are u and y, not the same. Only unlike terms are found in selection d. (Selection b has variables x, b, x. The x-terms are like terms and can be combined.)

_____

* Strictly speaking, it is the constellation of variables you want to match. For example, terms 3xy, 4xy², and -5x²y all have variables x and y, but the powers of those variables don't match from term to term. For terms to be "like", the variables and their powers need to match.

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Convert the mixed number 7 4/7 to a mixed decimal and round the nearest thousand
RideAnS [48]
Using a calculator, you can find out that \sf{ \frac{4}{7}\approx 0.571428571 \approx.571

and so that means \sf{ 7\frac{4}{7}\approx 7.571428571 \approx 7.571

so your answer is

\sf{ 7\frac{4}{7} \approx \huge{\boxed{7.571}}
8 0
3 years ago
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Write the expression fourteen added to the product of seven and a number
victus00 [196]

Answer:

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Step-by-step explanation: Because we have 14 added to something, we will need a + to whatever we are adding to. The product of 7 and a number is 7×x because product is the number you get after multiplication. So we get 7×x+14. You dont need parenthesis

Hope this helps!

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3 years ago
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Naddik [55]

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Step-by-step explanation:

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galina1969 [7]

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2 years ago
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-2(4x – 3) = 10 <br> Can someone help me with this math problem please
german

Answer:

-1/2

Step-by-step explanation:

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