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2 years ago

2 (-5x + 1) > 32 HURRY UP AND ANSWER THE QUESTION

Mathematics

1 answer:

MrRissso [65]2 years ago

8 0

Answer:

-10x＋2＞32

-10x>(32-2)

x<(30/-10)

x<-3

Step-by-step explanation:

The arrow have to be change position because of the negative sign (-)

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The graph shows a function f(x). Determine the following values.

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Answer:

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Step-by-step explanation:

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X-5y-z=-20 -2x-y-6z=25 -x-4y-z=-15 Solve by elimination

Tju [1.3M]

Answer:

x = 0

y = 5

z = -5.

Step-by-step explanation:

X-5y-z=-20

-2x-y-6z=25

-x-4y-z=-15

Add equation 1 and 3:

-9y - 2z = -35 .......... A

Multiply the first equation by 2:

2x - 10y - 2z = -40

Now add this to equation 2:

-11y -8z = -15.............B

Now multiply equation A by -4:

36y + 8x = 140.........C

Add equations B and C:

25y = 125

y = 5.

Substitute for y in equation A:

-9*5 - 2z = -35

2z = -45 + 35 = - 10

z = -5.

Now find x by substituting for y and z in the first equation:

x - 5(5) - (-5) = -20

x - 20 = -20

x = 0.

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3 years ago

The square pyramid has a volume of 768 cubic inches. The height equals 1/6x and the base is just x. What is the value of x ?

Lunna [17]

The volume for a pyramid is $V= \frac{1}{3} Bh$ , where B is the area of the base and h is the height. We are given the volume, and the base and height in terms of x. Our formula then looks like this: $768= \frac{1}{3} (x)( \frac{1}{6} x)$ . Simplifying the right side we have $768= \frac{1}{18} x^{2}$ . Multiply both sides by 18 to get rid of the fraction and we have $13824= x^{2}$ , so x = 117.575

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The formula for the distance, d, an accelerating car can travel is d = 5.6t square. how many minutes, t, doe the car take to tra

Likurg_2 [28]

Your distance(d) is 1,814.4
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then you square root 5.6t
$\sqrt{1814.4} = \sqrt{ {5.6t}^{2} }$
the square root eliminates the square
$\sqrt{1814.4} = 5.6t$
you square root 1,814.4 m
$42.6 = 5.6t$
(I rounded 42.6) then divide 42.6 by 5.6
$7.6 = t$
(I rounded 7.6)

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3 years ago