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Musya8 [376]
3 years ago
5

Help me pls asap its to hard my brains about to explode

Mathematics
1 answer:
Brut [27]3 years ago
3 0

Answer:

1. c = 5.75b + 25

2. y = -1/3 + 5

3. y = -1/2 + 5

4. y = I can't tell what the numbers are from the photo, but (B) will be where the line is on the y axis of the graph.

Y = MX + (B)

Edit: Okay assuming the graph is going in the directions by one, meaning 1, 2, 3, or -1, -2, -3, and not any other sequence.

The answer for question will be y = 1/2x -1

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Describe the relationships among the four terms angle bisector, angle, ray, and line
sammy [17]
First of all, the angle bisector, ray and angle line are all lines. Please refer to the picture attached. All of these lines are joined at one point called vertex which is at point O. The angle bisector is the line that divides the total angle into half. In this case, that would be line OB. The ray and line are the two legs of the angle, which are line OA and line OC, respectively. The angle is the arc between the lines.

5 0
4 years ago
PLEASE HELP ITS DUE TODAY AND THIS IS MY LAST QUESTION
exis [7]

Answer:

Left: The substance is decreasing by 1/2 every 12 years

Right: The substance is decreasing by 5.61% each year

Step-by-step explanation:

exponential decay

A = P(1-r)ᵇⁿ, where A is the final amount, P is the initial amount, r is the rate decreased each time period, b is the number of years, and n is the number of times compounded each year

let's write each formula in terms of this

left:

f(t) = 600(1/2)^(t/12)

matching values up...

A = P(1-r)ᵇⁿ

A = f(t)

P = 600

1 - r = 1/2 -> r = 1/2

t/12 = bn -> b = number of years = t, so bn = b/12 -> n = 1/12. Thus, it is compounded 1/12 times each year, so it is compounded every t*12 = 12 years. If it was compounded each month, it would be compounded 12 times a year

Thus, this is decreasing by a rate of 1/2 each 12 years

right:

f(t) = 600(1-0.0561)^(t)

matching values up...

A = P(1-r)ᵇⁿ

A = f(t)

P = 600

1 - r = 1 - 0.0561 -> r = 0.0561 = 5.61%

t = bn -> b = number of years = t, so bn = b -> n = 1. Thus, it is compounded annually (1 time each year)

Thus, this is decreasing by a rate of 5.61% each year

8 0
2 years ago
Anna invests $7,000 in an account that compounds interest continuously and earns 7.5%. How long will it take for her
NeX [460]

Answer:

It will take 36.1 years for her money to reach $105,000.

Step-by-step explanation:

The amount of money earned after t years in continuous interest is given by:

P(t) = P(0)e^{rt}

In which P(0) is the initial investment and r is the interest rate, as a decimal.

Anna invests $7,000 in an account that compounds interest continuously and earns 7.5%.

This means that P(0) = 7000, r = 0.075

How long will it take for her money to reach $105,000?

This is t for which P(t) = 105000.

P(t) = P(0)e^{rt}

105000 = 7000e^{0.075t}

e^{0.075t} = \frac{105000}{7000}

e^{0.075t} = 15

\ln{e^{0.075t}} = \ln{15}

0.075t = \ln{15}

t = \frac{\ln{15}}{0.075}

t = 36.1

It will take 36.1 years for her money to reach $105,000.

6 0
3 years ago
Write an equation for the data. x y 0 0 2 –4 4 –8 6 –12 A. y = 2x – 2 B. y = 2x C. y = –2x D. y = x + 2
daser333 [38]

Answer:

C. y = -2x.

Step-by-step explanation:

x y

0 0

2 -4

4 - 8

6 -12

Note that the y values = x values * -2,

so the equation is y = -2x.

8 0
3 years ago
Help me pls<br> Pls pls pla
SVETLANKA909090 [29]

Answer:

That's a net- just use the same equation as lateral area then do surface area after that.

L=Ph

THEN....

A= L +2B

4 0
3 years ago
Read 2 more answers
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