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Firlakuza [10]
3 years ago
10

Y’all give me dis answer to

Mathematics
1 answer:
Leto [7]3 years ago
6 0

Answer:

The solution is: (1,-3)

Step-by-step explanation:

Given equations are:

x-y=4     Eqn 1

4x+y = 1     Eqn 2

Substitution involves finding value of a variable from one equation and putting in other equation

From equation 1

x = y + 4

Putting in equation 2

4(y+4) + y = 1\\4y+16+y = 1\\5y = 1-16\\5y = -15\\\frac{5y}{5} = \frac{-15}{5}\\y = -3

Putting y = -3 in equation 1

x- (-3) = 4\\x + 3 = 4\\x = 4-3\\x = 1

Hence,

The solution is: (1,-3)

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Which ordered pair is a solution of the linear system: x+2y=-8 and
andrew-mc [135]

Answer:

option A

A(-2,-3)

Step-by-step explanation:

make y subject of formula

x+2y=-8

2y=-8-x

y=(-8-x)/2

y=-4-x/2

when x=-2

y=-4-(-2)/2

=-4-(-1)

=-4+1

=-3

(-2,-3) is an ordered pair

5 0
2 years ago
Erase 3/5 of the shape part below. How much of the original figure will be shaded?
VMariaS [17]
2/5 will be shaded in the original how I got it s that you make a rectangle and make fifths inside and shade in 3/5 of that and see what matches up on the top.
6 0
3 years ago
Read 2 more answers
For each mile Jason runs Megan runes 1/4 mile farther if Jason ran 6 miles how far did Magen run ?
fenix001 [56]
Let, Jason = J and M = Megan

M = J(1 + 1/4) 

So putting 6 where J is and solving:
<em>M = 6(1 + 1/4)
</em><em>M= 7.5</em>

When Jason runs 6 miles Megan runs 7.5
<span />
4 0
2 years ago
Read 2 more answers
⚠️‼️ HELP PLEASE GIVING POINTS ​
Nezavi [6.7K]

Answer:

CBD = 63 degrees

Step-by-step explanation:

To find CBD, we must first find the value of x. To do so, we use this equation since CBD and ABC equal 96 degrees:

(6x+27) + (7x-9) = 96
13x+18 = 96
13x+18-18 = 96-18
13x = 78
13x/13 = 78/13
x = 6

Now that we know the value of x, we factor it in to CBD to find its true value:

6x+27
6(6)+27
36+27
= 63 degrees

To check if this answer is correct, we can also find the value of ABC and see if the two values equal 96:

7x-9
7(6)-9
42-9
= 33 degrees

63 + 33 = 96

The answer is correct. CBD = 63 degrees and ABC = 33 degrees.

8 0
2 years ago
I got the table part but can someone explain why is the function relate to the graph for me? Please and thank you! ^.^
Rufina [12.5K]
Well for each pair of x and y value of the table, you can always find the coordinates of that point on the graph.
eg. x=y=-2 you can find the point {-2,-2} on the graph
6 0
3 years ago
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