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Andru [333]
3 years ago
7

Solve the equation 1/4y+9=1/2

Mathematics
1 answer:
malfutka [58]3 years ago
7 0

Answer:

y = -34

Step-by-step explanation:

Step 1

1/4 y + 9 = 1/2

1/4 + 9 - 9 = 1/2 - 9

1/4 y = -17/2

Step 2

4 * (1/4 y) = 4* (-17/2)

y = -34

Hope this helps!!

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Halfway through the third quarter, how much of the game is left?
k0ka [10]
11/1 explanation there are 11 minutes in a quarter of a game
8 0
3 years ago
Solve the system of equations. 2.5y + 3x = 27 5x – 2.5y = 5 What equation is the result of adding the two equations? What is the
Nitella [24]

Answer:

The solution to this system is (4, 1/6).

Step-by-step explanation:

Please separate these two equations for clarity.  I like to write them in column format:

2.5y + 3x = 27

5x – 2.5y = 5

---------------------

8x           = 32, and x = 4.

Subbing 4 for x in the second equation yields 5(4) - 2.5y = 5.

Then 20 - 2.5y = 5, or 15 = 2.5y.  Solving for y, we get y = 1/6.

The solution to this system is thus (4, 1/6).

5 0
2 years ago
Read 2 more answers
DO,K = (5, 0) (10, 0) The scale factor is 1/2 2 5
Lapatulllka [165]
If the preimage point is (5,0) and the image point is (10,0)
then the scale factor is k = 2

Basically the coordinates of the old point have doubled (multiplied by 2)

x = 5 is the old x coordinate
x = 10 is the new x coordinate (5*2 = 10)

y = 0 is the old y coordinate
y = 0 is the new y coordinate (0*2 = 0, no change)
3 0
3 years ago
K(t) = 13t – 2<br> k(3) =
Maru [420]
Since t=3

What do have to do is just set it for 3.

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4 0
3 years ago
write the slope-intercept form of the line that passes through the point (1,0) and is parallel to x-y=7. type your answer in the
dlinn [17]
We know that

<span>a) the slope-intercept form of the line---------------> y=mx+b
b) </span><span>if two lines are parallel both have the same slope
</span>then
<span>passes through the point (1,0) and is parallel to x-y=7

Step 1
Find the slope
</span>x-y=7------------> y=x-7------------> m=1

Step 2
Find the slope-intercept form of the line---> y=mx+b
point (1,0)  m=1
0=(1)*(1)+b------> b=-1
y=(1)*x-1--------> y=x-1

the answer is 
y=x-1

using a graph tool
see the attached figure




8 0
2 years ago
Read 2 more answers
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