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JulsSmile [24]
3 years ago
6

Given the graph below write the equation of the line.

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0
Y=2+2, y=-2x, y=2x+8, and y=0x+8
2x+8
Scrat [10]3 years ago
4 0

Answer:

y = 2x+8

Step-by-Step Explanation:

The equation should be in the form of y=mx+b

So you already know it's not A. Also you already know it's not D because the line goes at an angle, if "m"(slope) was 0 then the line would be straight horizontal or straight vertical. So that leaves B and C. And finally you know it's not B because the line is going in the positive direction not negative, so the slope has to be positive, also "b" in the equation is the y-intercept, and that's where the line intersects with the y-axis, and you can see that the line intersects at 8 on the graph. Therefore, the answer is C, y=2x+8

Hope this helps!! :)

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Please show your work.<br> (x^2 + 9x - 3) + (5x^2 - 7x - 4) + (2x^3 + x + 1)=
Scilla [17]
Look at the attachment for work

3 0
4 years ago
What is the area of this triangle?<br><br> A=bh2
Galina-37 [17]
Alright, so you know that the formula for the area of a triangle is a=bh/2 

First start out by identifying your base and height. 

Base is the side that the shape is "standing on", in this case, that would be 9cm. 

Now, the height is the measurement that is perpendicular (90 degrees to the base), which in this case is 12 cm. 

Now, plug these values into your formula 

(12)(9) /2 = 54 cm squared! hope this helps :)
8 0
3 years ago
I AM DOING MY HW AND I GOT STUCK ON THIS QUESTION CAN SOMEONE HELP ME AND EXPLAIN HOW THEY DID IT &lt;333
gladu [14]

i) Plan A: 21/0,12 = 175 <min of calls>

Plan B: 15/0,14 ≈ 107 <min of calls>

=> 2 plans cost the same 107 min of calls

ii) The cost when 2 plans cost the same:

  • Plan A: 107 × 0,12 = 12,84$ ≈ 13$
  • Plan B: 107 × 0.14 ≈ 15$

Answer: i) 107 ii) A: 13$ B: 15$

3 0
2 years ago
Cherries $5 per pound and oranges per pound$2. He paid 18.00 for total weight which was 6 lbs how many pounds of cherries did Al
wel
Answer: 2 lbs of cherries

Cherries = $5 per pound
Oranges = $2 per pound
Total Cost = $18
Total weight = 6 lb

------------------------------------
Define x and y
------------------------------------
Let x be the number of lb of cherries
Let y be the number of lb of oranges

------------------------------------
Construct equations
------------------------------------
x + y = 6               ---------------------------- (1)
5x + 2y = 18         ---------------------------- (2)

------------------------------------------------------------------------
Solve x and y
------------------------------------------------------------------------
From equation (1):
x + y = 6 
x = 6 - y 

------------------------------------------------------------------------
Substitute x = 6 - y into equation 2
------------------------------------------------------------------------
5x + 2y = 18
5 (6 - y) + 2y = 18
30 - 5y + 2y = 18
3y = 30 - 18
3y = 12
y = 4

------------------------------------------------------------------------
Substitute y = 4 into equation (1)
------------------------------------------------------------------------
x + y = 6
x + 4 = 6
x = 2

------------------------------------------------------------------------
Find the weight of cherries and oranges
------------------------------------------------------------------------
Cherry = x = 2 lb
Oranges = y = 4 lbs 

------------------------------------------------------------------------
Answer: Alex bought 2 lb of cherries
------------------------------------------------------------------------
5 0
3 years ago
Help answer this question please
Karo-lina-s [1.5K]

Answer:

f (-216) = -7

f (8) = 1

Step-by-step explanation:

f (-216) is -7 because \sqrt[3]{-216} is -6 and -6 - 1 is -7.

f (8) is 1 because \sqrt[3]{8} is 2 and 2 - 1 is 1.

Hope this helps :)

5 0
3 years ago
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