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Brut [27]
3 years ago
6

6x - 4 -2x + 5 = 13 answer this question

Mathematics
2 answers:
nordsb [41]3 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

6x-4-2x+5=13 (simplify)

4x+1=13 (4x+1 - 1 ; 13-1)

4x=12 (4x/4 ; 12/4)

x=3

Troyanec [42]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

6x + 1 - 2x = 13

4x+1 = 13

4x+1-1 =  13-1

4x = 12

\frac{4x}{4} = \frac{12}{4}

x = 3

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An object is launched from a launching pad 208 ft. above the ground at a velocity of 192ft/sec. what is the maximum height reach
loris [4]

Answer:

The maximum height is 784 feet

Step-by-step explanation:

In this problem we use the kinematic equation of the height h of an object as a function of time

h(t) = -16t ^ 2 + v_0t + h_0

Where v_0 is the initial velocity and h_0 is the initial height.

We know that

v_0 = 192\ \frac{ft}{sec}

h_0 = 208\ ft.

Then the equation of the height is:

h(t) = -16t ^ 2 + 192t +208

For a quadratic function of the form ax ^ 2 + bx + c

where a

the maximum height of the function is at its vertex.

The vertice is

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In this case

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Then the vertice is:

t = -\frac{192}{2(-16)}\\\\t = 6\ sec

Now we calculate h (6)

h(6) = -16(6) ^ 2 +192(6) +208\\\\h(6) = 784\ feet

The maximum height is 784 feet

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3 years ago
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Phantasy [73]

Answer:

f(x)=-\frac{1}{2}x +1

Step-by-step explanation:

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<h2>Find the Slope:</h2>

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<h2>Find the Y-Intercept</h2>

The y-intercept, or the point that the line crosses on the y axis, is (0,1).

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