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Lera25 [3.4K]
4 years ago
9

Substitution:5x - y= -53x - 6y = 24​

Mathematics
1 answer:
bixtya [17]4 years ago
8 0

do u have to use the exact same number for all the substitutions?

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Which of the following is not a function? Click on the graph until the correct graph appears.
Gelneren [198K]

Answer: The first/ third one

Step-by-step explanation:

7 0
3 years ago
The price of a gallon of gas has dropped to $2.83 today. Yesterday’s price was $2.89. Find the percentage decrease. Round your a
Sindrei [870]
2.1%

You might wanna double check though just incase.
4 0
4 years ago
Donalita ate 5 out of every 7 candies in a jar. If she ate 25 candies, what fraction represents the number of candies she ate ov
kari74 [83]

Answer:

25/35

Step-by-step explanation:

5 times 7 equals 35 and that means that this is the denominator because that is our total amount.

5 times 5 equals 25 and that makes it the numerator because that is what is being taken out of 5 jars

Hopefully this helps you :)

4 0
4 years ago
Find the x- and y-intercept of the line.
OlgaM077 [116]
-3x+9y=18 \\ \\
\hbox{x-intercept - y=0:} \\
-3x+9 \times 0=18 \\
-3x=18 \ \ \ |\div (-3) \\
x=-6 \\ \\
\hbox{y-intercept - x=0:} \\
-3 \times 0+9y=18 \\
9y=18 \ \ \ |\div 9 \\
y=2

The x-intercept is -6 and the y-intercept is 2. The answer is A.
8 0
4 years ago
Solve the quadratic equation.<br> 2x2 + 35 = 17x
atroni [7]
Get it to equal 0

minus 17x from both sides

2x²-17x+35=0

tricky part
get something like
(2x-a)(x-b)
we know the signs  are negative since the middle term is negative and last term is positive

so a and b are either 1 and 35 or 5 and 7

(2x-1)(x-35), nope
(2x-35)(x-1) nope
(2x-5)(x-7), nope
(2x-7)(x-5), yep

(2x-7)(x-5)=0
set to zero
2x-7=0
2x=7
x=7/2

x-5=0
x=5


x=7/2 and 5
8 0
3 years ago
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