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Luda [366]
3 years ago
6

Help me please number 2 and 3

Mathematics
1 answer:
mixas84 [53]3 years ago
3 0
2)

2*120 + 2*3.14*40 = 240 + 251.2 = 491.2;
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I need help and if you do I will give you 10 points
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Can’t really understand what it say bro...sorry but maybe u should ask the question again with a clearer picture...I’m sorry
5 0
3 years ago
Simplify the expression 7×+3(2×-3)-×
aksik [14]

Answer:

12x-9

Step-by-step explanation:

7x+3(2x-3)-x

7x-6x-9-x

13x-9-x

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3 0
4 years ago
The table represents a linear function. What is the slope of the function?
dybincka [34]

Answer: 3

Step-by-step explanation:

In theory we know that the equation of a linear function is expressed as

Eq.(1): y = m*x + c,

where m is the slope and c is a constant.

From the table we know the values of x and y, so we can use any of those, but in this case lets use the first and third rows of the table and substituting in Eq.(1) we obtain a 2-equation system as follow:

Point (-2,-2) gives:  -2 = (-2)*m + c   Eq.(2)

Point (0,4) gives:     4 = (0)*m + c   Eq.(3)

Now rearranging Eq.(2) we get: -2 = -2*m + c <=>  -2 - c = -2m Eq.(4)

Then rearranging Eq.(3) we get: 4 = 0 + c <=> c = 4

Plugging the value of c in Eq.(4) we get:

-2 = -2m + 4 <=> -2 - 4 = - 2m <=> -6 = -2m <=> m = 3

So finally and from Eq.(1) we obtain

y = 3x + c

6 0
3 years ago
Read 2 more answers
Noah wants to save $700 in 10 months. He thinks he can earn $11 interest. Why is it reasonable that he should save $69 a month?
konstantin123 [22]
Alright not entirely sure but here is my theory 
69x100=690 if he has the 11$ interest rate it would be 701$ in 10 months 
so he would have 1 more dollar  <span />
6 0
3 years ago
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A data set consists of these points: (2, 4), (4,7), (5, 12). Malinda found the
soldier1979 [14.2K]

Answer:

No. The value for b is incorrect (apex)

3 0
3 years ago
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