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schepotkina [342]
2 years ago
5

Help me please. What is (2a+8) + (4a +5)

Mathematics
2 answers:
Rom4ik [11]2 years ago
8 0

Answer:

6a + 13

Step-by-step explanation:

2a + 4a = 6a

8 + 5 = 13

6a + 13

Nutka1998 [239]2 years ago
6 0

Answer: 6a+13

Step-by-step explanation:

2a+8+4a+5

2a+13+4a

now combine like terms:

2a+13+4a=

6a+13

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Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 2 more than 5 times the number o
ch4aika [34]

Mark and Don have 18  and 92 marbles respectively.

<h3>What is the solution of the equation?</h3>

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions printed on the left and right sides. We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved.

Let the number of marbles Mark has be x.

According to the question,

Don has (5x+2) marbles.

Total number of marbles=110

Thus, the required equation is:

x+5x+2=110

6x=108

x=108/6

x=18

Mark has 18 marbles.

Don has (5*18+2)=92 marbles.

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brainly.com/question/2972832

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4 0
2 years ago
What is the slope of a line passing through the points (2, 5) and (0, −4) ??
Fittoniya [83]
I hope this helps you x'=2 y'=5 x"=0 y"= -4 slope. (2-0)=5-(-4) slope. 2=5+4 slope =9/2
3 0
4 years ago
Simplify (2/3+1/6).?
Liula [17]

Answer:

5/6

Step-by-step explanation:

2/3 times 2 = 4/6

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3 0
3 years ago
The doubling time of a population of grasshoppers is 10 days. By what factor does the population of grasshoppers grow in 25 days
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Its 5 because its a factor of 10 and 25

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