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Serga [27]
3 years ago
10

How do you solve this equation ?

Mathematics
1 answer:
nata0808 [166]3 years ago
6 0
The first step to solving this is to solve the equation for x
x = - 21/5 - y
4x + 4y = -14
now,, substitute the given value of x into the equation "4x + 4y = -14"
4( - 21/5 - y) + 4y = -14
next,, solve the equation for y
y∈∅
since this system has no solution for y, your answer is (x,y)∈∅
let me know if you have any further questions
:)
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You take measurements of the distance traveled by an object that is increasing its speed at a constant rate. The distance travel
Serhud [2]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

Given:

s_1 = 21 \ \  t_1 = 1\\\\s_2 = 59 \ \ t_2 = 2\\\\s_3 = 141 \ \  t_3 = 4

All points are on the graph including its quadratic function, in order to install their coordinates to values of x and y with the following values:

y= ax^2 + bx + c\\\\21=a+b+c      Inserting the coordinates of the first point

y= ax^2 + bx + c\\\\59 =4a+2b+c              Inserting the coordinates of the second point

y= ax^2 + bx + c\\\\141=16a+4b+c       Inserting the coordinates of the third point

5 0
3 years ago
How do I do B I need it by today
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One etility later hahahha
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Grace has one $10 bill and three $5 bills she spends 9.30 on a belt and $4.20 on snack how much money does grace have left
Taya2010 [7]
Total amount = 1 x 10 + 3 x 5 = $25

Amount spent = $9.30 + $4.20 = $13.50

Amount left = $25 - $13.50 = $11.50

Answer: $11.50
7 0
3 years ago
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Convert to a fraction: 0.18
MatroZZZ [7]

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Step-by-step explanation:

3 0
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Which of the following values of x make the following functions equal? y =4x+6 and y=5x+3
Arturiano [62]

Answer:

The value of x that makes both functions. y = 4·x + 6 and y = 5·x + 3 equal is;

x = 3

Step-by-step explanation:

The given functions are;

y = 4·x + 6 and y = 5·x + 3

For the functions to be equal, we have that the y values are equal, therefore;

y = y and 4·x + 6 = 5·x + 3, which gives;

4·x + 6 = 5·x + 3

5·x - 4·x = 6 - 3

∴ x = 3

Therefore, the value of x that makes both functions. y = 4·x + 6 and y = 5·x + 3 equal is x = 3.

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3 years ago
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