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evablogger [386]
3 years ago
6

Evaluate the function f(x) = 3x^-2x for x=4

Mathematics
1 answer:
liq [111]3 years ago
7 0

Answer:

3x^(-1)

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 3x(-2) • x

Step  2  :

Multiplying exponential expressions :

2.1    x(-2) multiplied by x1 = x((-2) + 1) = x(-1) = 1/x1 = 1/x

Final result :

 3x(-1)

Processing ends successfully

plz mark me as brainliest :)

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The y-intercept in the linear equation −2y−4x−6=0 is _[blank]_. will give brainliest
Ronch [10]

Answer:

-3 is the value of the location where the line crosses the y-axis,and is commonly referred in the slope-intercept form of a line "the intercept". Now it may be your teacher expects you to answer this as the point on the plane where the y-intercept occurs, and that should be the point (0, -3). Make sure you follow your teacher's notation.

Step-by-step explanation:

Re-write the equation given in slope=intercept form by isolating the variable "y" on one side of the equation and expressing the rest in slope*x + y-intercet form:

-2y-4x-6=0\\-4x-6=2y\\y=-2x-3\\

which tells us that the slope of the line is -2 and it y-intercept is "-3".

Now, watch out because you may be asked to write the actual coordinates of the y-intercept, which are: (0, -3)

giving the x-coordinate 0 and the y-value where the line crosses the y-axis.

7 0
3 years ago
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Which constants could each equation be multiplied by to eliminate the x-variable using addition in this system of equations? 2 x
Sever21 [200]

Answer:

3. The first equation can be multiplied by 3 and the second equation by 2.

Step-by-step explanation:

2 x + 3 y = 25 (1)

-3 x + 4 y = 22 (2)

Multiply equation (1) by 3 and (2) by 2.

3(2x) = 6x

2(-3x) = -6x

When you add the two equations, x will get cancelled last

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3 years ago
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It’s my birthday little cuties (:
Dmitrij [34]

Answer:

HAPPY BURFDAY

Step-by-step explanation:

6 0
3 years ago
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Solve the equation: 1/6d+2/3=1/4(d-2)
nlexa [21]

d/6+2/3=1/4(d-2)

d/6+2/3=d-2/4

2d+8=3(d-2)

2d+8=3d-6

8=3d-6-2d

8=d-6

8+6=d

14=d

d=14



8 0
3 years ago
a high school stage collapsed in Fullerton, California, when 250 students got on stage for the finale of a musical production. T
Lera25 [3.4K]

Answer:

91

Step-by-step explanation:

In this question, the important information we get from this is that the stage can support 12,750 students. We are asked, if the average weight of a student is 140 pounds, what is the maximum number of students that can be on the stage safely?

To solve, we simply divide 12,750 by 140.

x=\frac{12,750}{140}

x= 91.07

We get 91.07 as our answer. Since we are considering the maximum number of students, then we must round 91.07 to the nearest whole number which would be 91.

The maximum number of students who could safely be on the stage is 91.

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2 years ago
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