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Sonja [21]
3 years ago
13

13+(3n) when n is 4.n=4

Mathematics
2 answers:
Art [367]3 years ago
8 0
Whoops, didn't read that right. It is 25. Thought it was 4*n=4.
scoundrel [369]3 years ago
4 0
Plug 4 in for n:
13+(3(4))
13+3(4)      (Follow PEMDAS and multiply the 3 &4 first)
13+12        
=25
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Kapil needed to buy a long wooden beam. He went to two sawmills that each charge an initial fee plus an additional fee for each
matrenka [14]

Answer: first sawmill charges more for each meter of wood. And first mill has a cheaper price for 5-meter wooden beam.

Step-by-step explanation:

P=5+20x. The first sawmill charges $20. Then 110-20/5-0=18 Which means The second sawmill charges $18 for each meter of wood. Since 20>18 The first sawmill charges more for each meter of wood.

P = 5+20x

=5+20x•5

= 105

The first mill charges $105 For a 5 meter beam while the second beam charges $110

7 0
3 years ago
‼️10 point‼️URGENT‼️
Elena-2011 [213]

D. y=-3/10x+1/2

Step-by-step explanation:

Using rise/run you can count the units the line moves from one point to another, from the left point to the right point the line travels down 3 and over 10 so you get -3 as your rise (it is negative because the line is traveling downwards) and 10 as your run, so your slop is -3/10. By looking at the graph you can see that your y-intercept is 1/2. SO when plugged into y=mx+b with m as -3/10 and b as 1/2 you get the equation y=-3/10x+1/2, or letter D.

4 0
3 years ago
Find three consecutive even interfere such that their sum is 50 more than the largest interfere
Vaselesa [24]

Hm. This is an interesting problem.

Let's see if we can express each of these numbers in terms of x and make an algebra equation to help us solve.

Consecutive even numbers increase by 2.

Let's allow x to equal our first number.

Let's allow x + 2 to equal our 2nd number.

Let's allow x + 4 to equal our 3rd number.

When we add those together, their sum need to equal 50 more than the largest integer (our x + 4)

Let's set it up!

x + (x +2) + (x + 4) = (x + 4) + 50

Simplify!

3x + 6 = x + 54

Let's reorganize the left and right sides.

3x - x = 54 - 6

2x = 48

x = 24 (our 1st even number)

Now, let's check our answer!

24 + 26 + 28 = 78

78 - 50 = 28 Our highest integer.

The sum of consecutive integers 24, 26, 28 is 50 more than the highest integer.

3 0
3 years ago
NO DUMB ANSWERS PLZZ!!! GIVING A LOT OF POINTS!!! QUICK
Mila [183]

Answer:

50 in^2

Step-by-step explanation:

Area = area of rectangle - 2 * (area of the 2 spaces)

= 10*12 - 2(5*7)

= 120 - 70#=- 50 in^2.

5 0
3 years ago
8x ≤ -32 Solve the inequality . x <
IrinaK [193]

8x \leq -32 \\x\leq -4

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