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lawyer [7]
2 years ago
9

A square has a side length of n + 6. A rectangle has length n + 15 and width of

Mathematics
1 answer:
kogti [31]2 years ago
4 0

Answer:

I'm pretty sure you have to add everything

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Tomatoes that regularly sell for $0.55 per pound are on sale for 20% off the regular price. What is the sale price?
Otrada [13]
0.55*(1-0.2)=0.44 so it is 0.44
7 0
2 years ago
You want to buy a pet iguana that costs $48. You have $12 and plan to save $9 per week. How many weeks until you have enough mon
AlekseyPX

Answer:

It will take 4 weeks.

Step-by-step explanation:

I = 48

12 + 9x = 48

9x = 36

x = 4

7 0
3 years ago
Solve for the value of n.<br> please help
inysia [295]

Answer:

n = 8

Step-by-step explanation:

The angles are vertical angles and so they are equal

9n = 8n+8

Subtract 8n from each side

9n - 8n = 8n+8-8n

n = 8

3 0
2 years ago
Explanation/Answer would be appreciated please
Gwar [14]

Answer: The solution for the system is (2, -7)

Step-by-step explanation:

Ok, here we have linear relationships.

A linear relationship can be written as:

y = a*x + b

where a is the slope and b is the y-axis intercept.

For a line that passes through the points (x1, y1) and (x2, y2), the slope can be written as:

a = (y2 - y1)/(x2 - x1).

In this case, we have two lines:

ya, that passes through:

(-8, -5) and (-3, -6)

Then the slope is:

a = (-6 - (-5))/(-3 - (-8)) = (-6 + 5)/(-3 + 8) = -1/5

now, knowing one of the points like (-3, - 6) we can find the value of b.

y(x) = (-1/5)*x + b

y(-3) = -6 = (-1/5)*-3 + b

-6 = 3/5 + b

b = -6 - 3/5 = -33/5

then the first line is:

ya =  (-1/5)*x  -33/5

For the second line, we know that it passes through the points:

(-8, -15) and (-3, -11)

Then the slope is:

a = (-11 - (-15))/(-3 -(-8)) = (-11 + 15)/(-3 + 8) = 4/5

The our line is:

y(x) = (4/5)*x + b

and for b, we do the same as above, using one of the points, for example (-3, -11)

y(-3) = -11 = (4/5)*-3 + b

b = -11 + 12/5 = -(55 + 12)/5 = -43/5

then:

yb = (4/5)*x - 43/5.

Ok, our system of equations is:

ya = (-1/5)*x  -33/5

yb = (4/5)*x - 43/5.

To solve this, we suppose ya = yb

then:

(-1/5)*x + -33/5 = (4/5)*x - 43/5.

-33/5 + 43/5 = (4/5)*x + (1/5)*x

10/5 = 2 = (4/5 + 1/5)*x = x

2 = x

now we evaluate x = 2 in one of the lines:

ya = (-1/5)*2 -33/5 = -2/5 - 33/5 = -35/5 = -7

Then the lines intersect at the point (2, - 7), which is the solution for the system.

6 0
3 years ago
Read 2 more answers
What is this answer?
Sergeeva-Olga [200]

Answer:

the wire is 24 meters long , rounded to the nearest tenth it's 20 .

6 0
3 years ago
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