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ValentinkaMS [17]

3 years ago

10

Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

1 answer:

Cerrena [4.2K]3 years ago

6 0

I you think about it 12a with the 2 on the rope is actually 144 because it’s multiplied by 12 so maybe that helps?

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Principle=$745 rate= 9% time= 4years

Dennis_Churaev [7]

Based on a yearly rate (which is the norm) I give you my answer ..

Your principle is at 745$
Annual Rate 9%

For the first year your principle will grow by 67.05 $ if untouched (9%) up to 812.05 $

2nd year .. 9% of the 812.05 $ is 73.0845 $ .. So by the 2nd year you reach 885.1345 $

3rd year .. 79.662105 $ .. Total 964.796605 $

4th year .. 86.83169445 $ .. <u>Final</u><u> 4 Years </u><u>Total 1051.62829945 $</u>

4 0

3 years ago

Draw a diagram to show the hidden question.then solve. One gallon of paint will cover 80 files.Tariq wants to paint the files on

Naddika [18.5K]

I think the answer is 160, I'm not completely sure. Anyway, have a good day!

4 0

3 years ago

Pam bought 14 postcards during 7 days of vacation. After 10 days of vacation, how many total postcards will Pam have bought? Sol

irina1246 [14]

They are implying that the rate is constant at:

14pc/7d= 2 postcards per day

So after 10 days at that rate Pam will have bought 10*2=20 postcards.

3 0

3 years ago

Read 2 more answers

Describe (in words) the curves traced by particles moving in the xy-plane according to the parametric equations in (a–h). You do

MAVERICK [17]

Answer:

here we have:

x = 5*t + 3

y = 2*t - 6

both for -2 ≤ t ≤ 3

First, we can rewrite:

x = a*y + b

let's try to find the values of a and b.

5*t + 3 = a*(2*t - 6) + b

5*t + 3 = a*2*t + (b - 6*a)

Here we have two equations:

5 = a*2

3 = (b - 6*a)

from the first one, we can solve:

5/2 = a

replacing this into the second, we et:

3 = b - 6*(5/2)

3 = b - 15

3 + 15 = b = 18

Then:

x = (5/2)*y + 18

y = 2*t - 6

So, y is a linear equation that depends on the variable t

x is a linear equation that only depends on x (from this we already know that the graph will be a line)

and we know that −2 ≤ t ≤ 3

Then the minimum value of y is:

y = 2*(-2) - 6 = -10

and the largest value of y is:

y = 2*3 - 6 = 0

So y-varies in the range between -10 and 0

And because x = (5/2)*y + 18

The minimum value of x is:

x = (5/2)*-10 + 18 = -25 + 18 = -7

and the maximum value of x is:

x = (5/2)*0 + 18 = 18

Then we know that this line starts in the point (-10, -7) and ends in the point (0, 18)

6 0

2 years ago

Write a linear function F with f(-9)=10 and f(-1)=-2

blondinia [14]

Answer:

$f(x)=-1.5x-3.5$

Step-by-step explanation:

Let

x ----> the input value (independent variable)

y ----> the output variable (the dependent variable)

we have

f(-9)=10 and f(-1)=-2

so

we have the points

(-9,10) and (-1,-2)

step 1

Find the slope m

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{-2-10}{-1+9}$

$m=\frac{-12}{8}$

$m=-1.5$

step 2

Find the equation of the line in slope point form

$y-y1=m(x-x1)$

we have

$m=-1.5$

$(x1,y1)=(-1,-2)$

substitute the values

$y+2=-1.5(x+1)$

$y+2=-1.5x-1.5$

$y=-1.5x-1.5-2$

$y=-1.5x-3.5$

Write in function notation

$f(x)=-1.5x-3.5$

5 0

3 years ago