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Ray Of Light [21]
3 years ago
10

HELP ME PLZ

Mathematics
1 answer:
Yuki888 [10]3 years ago
6 0
B this is because 15y is 10 a
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Please solve the system of equations below thank you<br> explain if u can
ivanzaharov [21]
First let’s try to cancel out the x
5x + -5x = 0
Add the y and the numbers together
-3y + -2y = -5y
26 + -16 = 10
-5y = 10
y = -2
Use y=-2 in one of the equations
-3(-2) + 5x = 26
6 + 5x = 26
5x = 20
X = 4

So
Y= -2
X= 4

https://mathsmadeeasy.co.uk/gcse-maths-revision/simultaneous-equations-gcse-maths-revision/

Check this link out for more help!
7 0
2 years ago
Isolating a variable in two equations is easiest when one of them has a coefficient 1.
Tomtit [17]

Answer:

Option C.

Step-by-step explanation:

The given equations are

3A-B=5

2A+3B=-4

We need  isolate one of the variables, such that it appears by itself on one side of the equation.

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

In equation 1, coefficient of B is 1. So, we can easily isolate one of the variables.

The equation is

3A-B=5

Subtract 3A from both sides.

-B=5-3A

Multiply both sides by -1.

B=3A-5

Therefore, the correct option is C.

6 0
3 years ago
Which graphs show continuous data?<br> Select each correct answer.
Nikolay [14]

Answer:

I say the first graph in the first pic

Also,the 2nd graph in the 2nd pic

7 0
2 years ago
Read 2 more answers
Consider the function, f(x)=2x-1
sukhopar [10]

Answer:

1, -1 , -3 ,3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the slope of the line thru the points<br> (2,-4) and (7,6).
Reptile [31]

Answer:

m = 10 / 5 = 2 / 1 = 2

Step-by-step explanation:

8 0
3 years ago
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