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3 years ago

True or false "the product of -6 and -7 is less than the quotient of -100 and 2."

Mathematics

2 answers:

Wittaler [7]3 years ago

8 0

Answer:

False. -50 is less than 42 because it’s a negative and 42 is a positive.

Step-by-step explanation:

-6 x -7 = 42

-100 ÷ 2 = -50

Vera_Pavlovna [14]3 years ago

8 0

Answer:

false

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

We need to find value of k for which the lines x+2y=0, 3x-4y-10=0 and 5x+ky-7=0 are concurrent.

If the lines are concurrent, they pass through same point.

Let:

$x+2y=0--eq(1)\\ 3x-4y-10=0--eq(2)\\ 5x+ky-7=0--eq(3)$

First solving equation 1 and 2 to find values of x and y

From eq(1) we find value of x and put it in eq(2)

$From \ eq(1) x+2y=0\\x=-2y\\Put x=-2y \ in \ eq(2)\\3x-4y-10=0\\3(-2y)-4y-10=0 \\-6y-4y=10\\-10y=10\\y=\frac{10}{-10}\\y=-1$

After solving we get value of y=-1

Now putting in eq(1) to get value of x

$x+2y=0\\x+2(-1)=0\\x-2=0\\x=2$

So, Value of x= 2

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$5x+ky-7=0\\5(2)+k(-1)-7=0\\10-k-7=0\\-k+3=0\\-k=-3\\k=3$

So, After solve the equations we get value of k=3

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Read 2 more answers

True or false "the product of -6 and -7 is less than the quotient of -100 and 2." ​

True or false "the product of -6 and -7 is less than the quotient of -100 and 2."