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Alexxandr [17]
3 years ago
7

The table shows a propotional realationship between x and y

Mathematics
1 answer:
ss7ja [257]3 years ago
6 0

Answer:

jvgdvfysvj fjrfhlgd ghcfh ghgdc

vurv gshgb gjjdvk jfdsuk0v

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Is it a function? Or not
andrew11 [14]

Answer:

Nah

Step-by-step explanation:

Nah tbh I don't think so if I'm being honest

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3 years ago
Using substitution to solve the system below, what expression should be substituted into the first equation? 2x-4y=-4 and x+2y=8
inna [77]

Answer:

Given the system of equation:

2x-4y=-4                    ......[1]

x+2y=8                      ......[2]

we can rewrite equation [2] as;

x = 8-2y                ......[3]

Substitute equation [3] into [1] to eliminate x, and solve for y;

2(8-2y)-4y = -4

Using distributive property: a\cdot (b+c) = a\cdot b+ a\cdot c

16-4y -4y = -4

Combine like terms;

16 - 8y = -4

Add 4 to both sides we have;

20 - 8y = 0

Add 8y to both sides we have;

20 = 8y

Divide 8 to both sides we have;

y = 2.5

Substitute the y-value in [3] we have;

x = 8-2(2.5)

x = 8 - 5 = 3

Therefore, the  expression should be substituted into the first equation is, x = 8-2y  and also the value of x = 3 and y = 2.5

5 0
3 years ago
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(I hate to say this, but I'm really struggling with this math probelm! Help please! )
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Five times the height of a kakapo minus 70
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The solution is in the attachment

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