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Harlamova29_29 [7]
3 years ago
15

Which is equivalent to 3sqrt8^x ?

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0
The correct answer is A.
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GUYS I AM ON THE VERGE OF TEARS I HATE MATH SO MUCH CAN SOMEONE PLS HELP WITH PART B ON THIS GRAPH
xenn [34]

Answer: 0 ≤ x ≤ 4.75

Step-by-step explanation: Domain is the range of possible x values that make sense in the equation. Since the x values are time, and there cannot be negative time, x must obviously be positive. And since y is height and height can't be negative, the domain of x ends at the x-intercept, the point at which y begins to become negative. So the domain of x is 0 is less than or equal to x which is less than or equal to about 4.75.

8 0
3 years ago
What is the equation of a line that passes through the point (2, 7) and is perpendicular to the line whose equation is y=x/4+5 ?
worty [1.4K]

Answer:

y = -4x+15

Step-by-step explanation:

y=x/4+5 may be presented as y = 1/4 x + 5, where a=1/4, b=5

swapping numerator and denominator and inserting an opposite sign in a=1/4, we have:

1/4 --------> 4/1 -------> -4/1 = -4

y = -4x+n

Point (2,7) means that x=2, y=7 substitute it to the equation y=-4x+n, calculate "n":

7=-4*2+n ------>    7=-8+n ------->   7+8 = n -------> 15=n

substituting n=15 to the equation y=-4x+n, we get finally y=-4x+15


8 0
3 years ago
Use elimination to solve the system of equations. 5x-2y=-3 4x-2y = -6
Effectus [21]

Answer:

x=3, y=9

Step-by-step explanation:

5x-2y=-3

4x-2y=-6

Then:

solve for y:

-2y=-6-4x

y=3+2x

Substitute y into either equation:

4x-2(3+2x)=-6

4x-6-4x=-6

-6=-6, use other equation

5x-2(3+2x)=-3

5x-6-4x=-3

x-6=-3

x=3

then:

y=3+2(3)

y=9

5 0
3 years ago
HELP ASAP!!!!!!! I NEED THIS SOON!!!
Arte-miy333 [17]

Answer:

Is this a question about the laws of angle of incidence or is it just coordinates

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Helppppppppppppppopo
Vesna [10]
The answer is A, all that was needed was to do the math.

8 0
3 years ago
Read 2 more answers
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