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Alex_Xolod [135]
3 years ago
8

Determine whether the graphs shows growth or decay

Mathematics
1 answer:
mart [117]3 years ago
8 0

Answer:

7) Decay

8) Growth

9) Growth

10) Growth

Step-by-step explanation:

7) As <em>x </em>increases, <em>y </em>is decreasing because as you add more value to the exponent, 1/3 gets smaller and smaller.

8) As <em>x </em>increases, <em>y </em>is increasing because as you add more value to the exponent, 2 gets bigger and bigger.

9) As <em>x </em>increases, <em>y </em>is increasing because as you add more value to the exponent, 2 gets bigger and bigger.

10) As <em>x </em>increases, <em>y </em>is increasing because as you add more value to the exponent, 2 gets bigger and bigger.

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Help pls i really need to get my grade up
r-ruslan [8.4K]

Answer: 0 < x < 5.6

Step-by-step explanation:

The sides of triangle:

Any two sides added together have to be larger than the third side

So:

2.8 - 2.8 < x < 2.8 + 2.8

0 < x < 5.6

4 0
3 years ago
Which scenario best matches the linear relationship expressed in the equation y = 13.50x + 300?
Fofino [41]

Answer:

Option C is correct.

Bobby has $300 in the yearbook fund and earns $13.50 for each yearbook sold.

Step-by-step explanation:

Slope intercept form: An equation of line is given by: y=mx+b ......[1] where m is the slope and b is the y-intercept

Given the linear equation: y = 13.50x+300

Here, x represents the yearbook sold.

On comparing with the equation [1] we have;

m = $13.50

b =300

therefore, the best scenario best matches the linear relationship is:

Bobby has $300 in the yearbook fund and earns $13.50 for each yearbook sold.

5 0
3 years ago
Read 2 more answers
Choose the correct simplification of the expression (−5a5b4c3)0.
zlopas [31]
Each numbers (except 0) to zero power are equal 1.  So (-5a^5b^4c^3)^0=1 assuming abc \neq 0
3 0
3 years ago
Read 2 more answers
A
grandymaker [24]

Answer:

  • 2 seconds
  • 72 feet

Step-by-step explanation:

The usual equation used for the vertical component of ballistic motion is ...

  h(t) = -16t² +v₀t +h₀

where v₀ is the initial upward velocity, and h₀ is the initial height. Units of distance are feet, and units of time are seconds.

Your problem statement gives ...

  v₀ = 64 ft/s

  h₀ = 8 ft

so the equation of height is ...

  h(t) = -16t² +64t +8

__

For quadratic ax² +bx +c, the axis of symmetry is x=-b/(2a). Then the axis of symmetry of the height equation is ...

  t = -64/(2(-16)) = 2

The object will reach its maximum height after 2 seconds.

The height at that time will be ...

  h(2) = -16(2²) +64(2) +8 = 72

The maximum height will be 72 feet.

5 0
3 years ago
4. What is the equation of line passing through (-2,4) and parallel to the line y<br> + 3x = 4?
aliya0001 [1]

Answer:

y=-3x-2

Step-by-step explanation:

step 1- find the slope

parallel to means same slope, so look at y+3x=4, its not in the correct slope form so we subtract both sides by 3x to get y=-3x+4, the slope is the coefficient of x which is -3. Slope equals 3

step 2- use the point slope form which is y-y1=m(x-x1)

and substitute in the numbers (only substitute y1,x1, and m)

m is the slope which we found to equal -3

x1 and y1 are the points that they gave us (-2,4) are (x1,y1)

x1=-2

y1=4

step 3- substitute

y-y1=m(x-x1)

y-4=-3(x-(-2))

simplifies to y-4=-3x-6

add 4 to both sides to get y=-3x-2

8 0
3 years ago
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