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Sati [7]
3 years ago
13

PLEASE HURRYY I AM BEGGING FOR HELP IVE BEEN STUCK FOR AN HOUR

Mathematics
1 answer:
saul85 [17]3 years ago
3 0

Part A:

Look at the image attached to my answer for the graph of the inequalities.

There are two different lines provided, one with a more negative slope than the other. The shaded area between them represents the solution set.

The green line is 2x+y≤8, the blue line is x+y≥4

Part B:

To test if (8, 10) is included, substitute x = 8 and y = 10 into both inequalities. If it doesn't satisfy one of them, then it isn't included in the solution area.

2(8) + 10 ≤ 8

16 + 10 ≤ 8

26 ≤ 8... 26 is NOT less then or equal to 8

Thus, (8, 10) cannot be a solution since the inequality is not true.

Part C:

I'm going to choose a random point from the graph, (2, 3). For your answer, any point in the shaded region where both x and y is positive will work.

The point (2, 3) means that Sarah can buy 2 cupcakes and 3 pieces of fudge to get at least 4 pastries for her siblings while staying within her 8 dollar budget.

Let me know if you need any clarifications. Happy Studying~

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Suppose you would like to save P9000 invested at 8% compounded quarterly for 5 years and 6 months. (Note: Round off your answer
Sever21 [200]

Answer:

a) 13913

b) 4913.82

Step-by-step explanation:

The compound interest formula is given by:

A(t) = P(1 + \frac{r}{n})^{nt}

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

In this question:

Investment of 9000, so P = 9000

Interest rate of 8%, so r = 0.08

Compounded quarterly, so n = 4

5 years and 6 months, that is, 5 years and half, so t = 5.5

(a) How much would the value of her savings at the end of the term?

A(t) = P(1 + \frac{r}{n})^{nt}

A(5.5) = 9000(1 + \frac{0.08}{4})^{4*5.5} = 13913.82

(b) How much is the interest earned by your savings?

The amount subtracted by the principal. So

13913.82 - 9000 = 4913.82

5 0
2 years ago
4000-1375 and I need work
zheka24 [161]



4000
-1375
———

Take 1 from the number 4 and have it go down the line of zeros.

39910
-1375
———-

Subtract

39910
-1375
———-
2,625

I hope this helped!
8 0
3 years ago
What is the equation of the line that passes through the point<br> (5,-2) and has a slope of 6/5
LenKa [72]

Answer:

y = \frac{6x}{5} - 8

Step-by-step explanation:

given slope m = \frac{6}{5}

point (5, -2) for (x1, y1)

equation for point slope form

y - y1 = m(x- x1)

y - (-2) = \frac{6}{5} (x -5)

y + 2 = \frac{6}{5}x - 6, simplify

y = \frac{6x}{5} - 8,

further you can multiply by 5 to get rid of fraction

5y = 6x - 40

5 0
2 years ago
A toy company is releasing a new catapult for water balloons that launches them at 9.8 meters per second from a stand 0.6 meters
Over [174]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
Karen has a summer job as a swim instructor. she gets paid $4 per hour for the first 20 hours and $6 per hour for each hour in t
Misha Larkins [42]
She would need to work 24 hours because the first 20hrs x $4 is $80 $104-$80 = 24
24\6= 4 20 plus 4 is 24
4 0
2 years ago
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