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uranmaximum [27]

3 years ago

10

supposed the first friday of a new year is the fourth day of that year .will the year have 35 friday regardless of whether or no

t it is aleap year

1 answer:

inysia [295]3 years ago

6 0

No there is 53 Friday's in a year

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Solve the system using substitution<br> 8x+9y=15<br> 5x-2y=17

Otrada [13]

$5x-2y=17\ \ \ \ |-5x\\-2y=-5x+17\ \ \ \ |:(-2)\\y=2.5x-8.5\\\\\text{substitute to the first equation}\\\\9x+9(2.5x-8.5)=17\ \ \ \ |\text{use distributive property}\\9x+22.5x-76.5=17\ \ \ \ |+76.5\\31.5x=93.5\ \ \ \ |:31,5\\x=3\\\\\text{substitute the value of x to the equation}\ y=2.5x-8.5\\\\y=2.5(3)-8.5=7.5-8.5=-1\\\\Answer:\ x=3,\ y=-1\to(3;\ -1)$

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3 years ago

Idk a? or no? like im really bad

kozerog [31]

Answer:

c

Step-by-step explanation:

0.0125

so it is 1.25 because the thousand place onward, it is in the decimal place of the percent

6 0

3 years ago

What are the operations used to <br> solve this equation5/6x-2=-2/3x+1

SashulF [63]

Addition
multiplication

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3 years ago

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qaws [65]

Answer:

See image below:) :)

Step-by-step explanation:

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3 years ago

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3(x- 1) - 8 = 4 (1+ x) = +5

katrin [286]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x = 5 x = 4

Step-by-step explanation:

6 0

2 years ago