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2 years ago

4.

Mathematics

1 answer:

Sonja [21]2 years ago

7 0

Answer:

Step-by-step explanation:

2/3 because if you look there are 3 answeres and only 2 are mentioned also if you take the number of potted to not potted and summed em up you woukd still have 2/3

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A graph of a linear function is shown on the grid. Which of these best represents 0 of the function? A 8. B 10. C 16. D 24.

harina [27]

answer:

C. 16

explanation:

when x is 0, the y-intercept is 8

coordinates: (0,8) and (4,6)

slope:

$\sf \frac{y2-y1}{x2-x1}$

$\sf \frac{6-8}{4-0}$

$\sf \frac{-2}{4}$

$\sf -\frac{1}{2}$

equation:

$\sf y = mx +b$ [ where m is slope and b is y-intercept ]

$y = \sf -\frac{1}{2}x +8$

solve for x-intercept:

note: zeros of a function are the values of x when f(x) is equal to 0

$y = \sf -\frac{1}{2}x +8$

$0= \sf -\frac{1}{2}x +8$

$-8= \sf -\frac{1}{2}x$

$\sf x = -8 * -2$

$\sf x = 16$

3 0

2 years ago

Read 2 more answers

A 45-45-90 triangle has legs of length 3√2

qwelly [4]

Answer:

Step-by-step explanation:

the hypotenuse should be 3√2*√2=6

4 0

3 years ago

I really need some help. I need to find the inverse of this equation in the picture below. Thanks!

serg [7]

Answer:

y=81x^4+648x^3+1944x^2+2592x+1289

Step-by-step explanation:

1. Interchange x and y.

y=\frac{\sqrt[4]{x+7}}{3}-2

x=\frac{\sqrt[4]{y+7}}{3}-2

2. Then solve x=\frac{\sqrt[4]{y+7}}{3}-2 for y.

3. y=81x^4+648x^3+1944x^2+2592x+1289

I hope this helps.

4 0

2 years ago

Which is the equation of a line with a slope of -1 and a y-intercept of -6?

nikklg [1K]

Answer:

y= -1x - 6

I really hope this helps you!

3 0

3 years ago

please help!!!!! what will be the balance in an account that was initially $400 and has been drawing 5.5% interest compounded co

Viktor [21]

Answer:

$621.08

Step-by-step explanation:

The formula for the amount (A) resulting from principal P being invested at rate r continuously compounded for period t is ...

A = Pe^(rt)

Filling in the given numbers and doing the arithmetic, we get ...

A = $400e^(0.055·8) ≈ $621.08

4 0

3 years ago