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kupik [55]
3 years ago
11

Can anyone please help me with 1-18

Mathematics
1 answer:
ruslelena [56]3 years ago
6 0

Answer:

a. 15 on top 8 on bottom

b. 2 on top -3 on bottom

c. 4 and 2

d. 4 on top 8.5 on bottom

e. -3 and -4

Step-by-step explanation:

multiply the two numbers on the sides to get the top answer and add them together to get the bottom answer.

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The graph of f(x) = 3x + 8 is shown.
Leni [432]

Answer:

the function is always increasing

Step-by-step explanation:

if you look at the graph, as x increases, y increases, no matter how small the increase

5 0
2 years ago
Find the parametric equation of the line r(t), 0 ≤ t ≤ 1, between P = (2, − 3, 1) and Q = (− 2, 1, 7).
alisha [4.7K]

Answer:

x=-2+3t , y=-9-10t

Step-by-step explanation:

I'm going to start by solving the first equation for t....which will give (x-x1)/(x2-x1) =t.

You can now substitute this in the second equation to get....y=y1 + (y2-y1)(x-x1)/(x2-x1)

Rearranging, you get y-y1 = (y2-y1) / (x2-x1) * (x-x1) which is equivalent to y-y1= m(x-x1) which is the point-slope formula for a line.

So since t was varying between 0 and 1,

plugging in t=0 you get x=x1 and y = y1 givin you the coordinate (x1,y1)

similarly, plugging in t=1 leads to (x2,y2)

So this is a representation of a segment connecting these 2 points.

B) just plug in the points into your given formula from part a to get...

x=-2 +(1--2)t and y = 9 +(-1-9)t

or x=-2+3t , y=-9-10t

7 0
3 years ago
An equation and the steps to solve it are shown below 2×
777dan777 [17]
Need more detail to solve
7 0
3 years ago
CAN YOU PLEASE HELP ME ITS URGENT I NEED IT TODAY I DONT UNDERSTAND
Artemon [7]

Answer: 188 are first year students, while

282 are not

Step-by-step explanation:

40% of 470=188

60% of 470=282

4 0
3 years ago
Solve the equation for the unknown variable.<br><br> z³ = 10,648
Svetllana [295]
<span>z³ = 10,648
</span>z³ = 22³
z = 22
7 0
3 years ago
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